Mercurial > vim
annotate src/crypt.c @ 32403:1b0ade08ec91 v9.0.1533
patch 9.0.1533: test for 'smoothscroll' is ineffective
Commit: https://github.com/vim/vim/commit/6f37e530d3e2d58ff055723047bf91d91af2632c
Author: Luuk van Baal <luukvbaal@gmail.com>
Date: Tue May 9 21:23:54 2023 +0100
patch 9.0.1533: test for 'smoothscroll' is ineffective
Problem: Test for 'smoothscroll' is ineffective.
Solution: Change the order of testing "zb" and "zt". (Luuk van Baal,
closes #12366)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Tue, 09 May 2023 22:30:05 +0200 |
| parents | 6761c71f4b25 |
| children | a1e1527d1cb8 |
| rev | line source |
|---|---|
|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 6122 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * crypt.c: Generic encryption support. | |
| 12 */ | |
| 13 #include "vim.h" | |
| 14 | |
| 15 #if defined(FEAT_CRYPT) || defined(PROTO) | |
| 16 /* | |
| 17 * Optional encryption support. | |
| 18 * Mohsin Ahmed, mosh@sasi.com, 1998-09-24 | |
| 19 * Based on zip/crypt sources. | |
| 20 * Refactored by David Leadbeater, 2014. | |
| 21 * | |
| 22 * NOTE FOR USA: Since 2000 exporting this code from the USA is allowed to | |
| 23 * most countries. There are a few exceptions, but that still should not be a | |
| 24 * problem since this code was originally created in Europe and India. | |
| 25 * | |
| 26 * Blowfish addition originally made by Mohsin Ahmed, | |
| 27 * http://www.cs.albany.edu/~mosh 2010-03-14 | |
| 28 * Based on blowfish by Bruce Schneier (http://www.schneier.com/blowfish.html) | |
| 29 * and sha256 by Christophe Devine. | |
| 30 */ | |
| 31 | |
| 32 typedef struct { | |
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33 char *name; // encryption name as used in 'cryptmethod' |
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34 char *magic; // magic bytes stored in file header |
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35 int salt_len; // length of salt, or 0 when not using salt |
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36 int seed_len; // length of seed, or 0 when not using seed |
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37 int add_len; // additional length in the header needed for storing |
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38 // custom data |
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39 #ifdef CRYPT_NOT_INPLACE |
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40 int works_inplace; // encryption/decryption can be done in-place |
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41 #endif |
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42 int whole_undofile; // whole undo file is encrypted |
| 6122 | 43 |
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44 // Optional function pointer for a self-test. |
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45 int (*self_test_fn)(void); |
| 6122 | 46 |
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47 // Function pointer for initializing encryption/decryption. |
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48 int (* init_fn)(cryptstate_T *state, char_u *key, crypt_arg_T *arg); |
| 6122 | 49 |
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50 // Function pointers for encoding/decoding from one buffer into another. |
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51 // Optional, however, these or the _buffer ones should be configured. |
| 6122 | 52 void (*encode_fn)(cryptstate_T *state, char_u *from, size_t len, |
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53 char_u *to, int last); |
| 6122 | 54 void (*decode_fn)(cryptstate_T *state, char_u *from, size_t len, |
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55 char_u *to, int last); |
| 6122 | 56 |
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57 // Function pointers for encoding and decoding, can buffer data if needed. |
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58 // Optional (however, these or the above should be configured). |
| 6122 | 59 long (*encode_buffer_fn)(cryptstate_T *state, char_u *from, size_t len, |
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60 char_u **newptr, int last); |
| 6122 | 61 long (*decode_buffer_fn)(cryptstate_T *state, char_u *from, size_t len, |
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62 char_u **newptr, int last); |
| 6122 | 63 |
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64 // Function pointers for in-place encoding and decoding, used for |
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65 // crypt_*_inplace(). "from" and "to" arguments will be equal. |
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66 // These may be the same as decode_fn and encode_fn above, however an |
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67 // algorithm may implement them in a way that is not interchangeable with |
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68 // the crypt_(en|de)code() interface (for example because it wishes to add |
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69 // padding to files). |
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70 // This method is used for swap and undo files which have a rigid format. |
| 6122 | 71 void (*encode_inplace_fn)(cryptstate_T *state, char_u *p1, size_t len, |
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72 char_u *p2, int last); |
| 6122 | 73 void (*decode_inplace_fn)(cryptstate_T *state, char_u *p1, size_t len, |
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74 char_u *p2, int last); |
| 6122 | 75 } cryptmethod_T; |
| 76 | |
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77 static int crypt_sodium_init_(cryptstate_T *state, char_u *key, crypt_arg_T *arg); |
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78 static long crypt_sodium_buffer_decode(cryptstate_T *state, char_u *from, size_t len, char_u **buf_out, int last); |
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79 static long crypt_sodium_buffer_encode(cryptstate_T *state, char_u *from, size_t len, char_u **buf_out, int last); |
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80 #if defined(FEAT_EVAL) && defined(FEAT_SODIUM) |
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81 static void crypt_sodium_report_hash_params(unsigned long long opslimit, unsigned long long ops_def, size_t memlimit, size_t mem_def, int alg, int alg_def); |
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82 #endif |
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83 |
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84 // index is method_nr of cryptstate_T, CRYPT_M_* |
| 6122 | 85 static cryptmethod_T cryptmethods[CRYPT_M_COUNT] = { |
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86 // PK_Zip; very weak |
| 6122 | 87 { |
| 88 "zip", | |
| 89 "VimCrypt~01!", | |
| 90 0, | |
| 91 0, | |
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92 0, |
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93 #ifdef CRYPT_NOT_INPLACE |
| 6122 | 94 TRUE, |
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95 #endif |
| 6122 | 96 FALSE, |
| 97 NULL, | |
| 98 crypt_zip_init, | |
| 99 crypt_zip_encode, crypt_zip_decode, | |
| 100 NULL, NULL, | |
| 101 crypt_zip_encode, crypt_zip_decode, | |
| 102 }, | |
| 103 | |
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104 // Blowfish/CFB + SHA-256 custom key derivation; implementation issues. |
| 6122 | 105 { |
| 106 "blowfish", | |
| 107 "VimCrypt~02!", | |
| 108 8, | |
| 109 8, | |
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110 0, |
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111 #ifdef CRYPT_NOT_INPLACE |
| 6122 | 112 TRUE, |
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113 #endif |
| 6122 | 114 FALSE, |
| 115 blowfish_self_test, | |
| 116 crypt_blowfish_init, | |
| 117 crypt_blowfish_encode, crypt_blowfish_decode, | |
| 118 NULL, NULL, | |
| 119 crypt_blowfish_encode, crypt_blowfish_decode, | |
| 120 }, | |
| 121 | |
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122 // Blowfish/CFB + SHA-256 custom key derivation; fixed. |
| 6122 | 123 { |
| 124 "blowfish2", | |
| 125 "VimCrypt~03!", | |
| 126 8, | |
| 127 8, | |
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128 0, |
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129 #ifdef CRYPT_NOT_INPLACE |
| 6122 | 130 TRUE, |
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131 #endif |
| 6122 | 132 TRUE, |
| 133 blowfish_self_test, | |
| 134 crypt_blowfish_init, | |
| 135 crypt_blowfish_encode, crypt_blowfish_decode, | |
| 136 NULL, NULL, | |
| 137 crypt_blowfish_encode, crypt_blowfish_decode, | |
| 138 }, | |
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139 |
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140 // XChaCha20 using libsodium; implementation issues |
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141 { |
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142 "xchacha20", |
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143 "VimCrypt~04!", |
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144 #ifdef FEAT_SODIUM |
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145 crypto_pwhash_argon2id_SALTBYTES, // 16 |
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146 #else |
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147 16, |
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148 #endif |
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149 8, |
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150 0, |
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151 #ifdef CRYPT_NOT_INPLACE |
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152 FALSE, |
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153 #endif |
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154 FALSE, |
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155 NULL, |
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156 crypt_sodium_init_, |
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157 NULL, NULL, |
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158 crypt_sodium_buffer_encode, crypt_sodium_buffer_decode, |
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159 NULL, NULL, |
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160 }, |
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161 // XChaCha20 using libsodium; stores parameters in header |
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162 { |
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163 "xchacha20v2", |
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164 "VimCrypt~05!", |
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165 #ifdef FEAT_SODIUM |
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166 crypto_pwhash_argon2id_SALTBYTES, // 16 |
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167 #else |
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168 16, |
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169 #endif |
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170 8, |
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171 // sizeof(crypto_pwhash_OPSLIMIT_INTERACTIVE + crypto_pwhash_MEMLIMIT_INTERACTIVE + crypto_pwhash_ALG_DEFAULT) |
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172 20, |
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173 #ifdef CRYPT_NOT_INPLACE |
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174 FALSE, |
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175 #endif |
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176 FALSE, |
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177 NULL, |
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178 crypt_sodium_init_, |
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179 NULL, NULL, |
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180 crypt_sodium_buffer_encode, crypt_sodium_buffer_decode, |
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181 NULL, NULL, |
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182 }, |
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183 |
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184 // NOTE: when adding a new method, use some random bytes for the magic key, |
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185 // to avoid that a text file is recognized as encrypted. |
| 6122 | 186 }; |
| 187 | |
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188 #if defined(FEAT_SODIUM) || defined(PROTO) |
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189 typedef struct { |
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190 size_t count; |
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191 unsigned char key[crypto_box_SEEDBYTES]; |
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192 // 32, same as crypto_secretstream_xchacha20poly1305_KEYBYTES |
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193 crypto_secretstream_xchacha20poly1305_state |
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194 state; |
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195 } sodium_state_T; |
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196 |
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197 |
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198 # ifdef DYNAMIC_SODIUM |
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199 # ifdef MSWIN |
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200 # define SODIUM_PROC FARPROC |
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201 # define load_dll vimLoadLib |
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202 # define symbol_from_dll GetProcAddress |
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203 # define close_dll FreeLibrary |
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204 # define load_dll_error GetWin32Error |
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205 # else |
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206 # error Dynamic loading of libsodium is not supported for now. |
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207 //# define HINSTANCE void* |
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208 //# define SODIUM_PROC void* |
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209 //# define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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210 //# define symbol_from_dll dlsym |
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211 //# define close_dll dlclose |
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212 //# define load_dll_error dlerror |
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213 # endif |
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214 |
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215 # define sodium_init load_sodium |
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216 # define sodium_free dll_sodium_free |
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217 # define sodium_malloc dll_sodium_malloc |
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218 # define sodium_memzero dll_sodium_memzero |
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219 # define sodium_mlock dll_sodium_mlock |
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220 # define sodium_munlock dll_sodium_munlock |
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221 # define crypto_secretstream_xchacha20poly1305_init_push \ |
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222 dll_crypto_secretstream_xchacha20poly1305_init_push |
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223 # define crypto_secretstream_xchacha20poly1305_push \ |
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224 dll_crypto_secretstream_xchacha20poly1305_push |
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225 # define crypto_secretstream_xchacha20poly1305_init_pull \ |
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226 dll_crypto_secretstream_xchacha20poly1305_init_pull |
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227 # define crypto_secretstream_xchacha20poly1305_pull \ |
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228 dll_crypto_secretstream_xchacha20poly1305_pull |
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229 # define crypto_pwhash dll_crypto_pwhash |
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230 # define randombytes_buf dll_randombytes_buf |
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231 # define randombytes_random dll_randombytes_random |
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232 |
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233 static int (*dll_sodium_init)(void) = NULL; |
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234 static void (*dll_sodium_free)(void *) = NULL; |
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235 static void *(*dll_sodium_malloc)(const size_t) = NULL; |
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236 static void (*dll_sodium_memzero)(void * const, const size_t) = NULL; |
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237 static int (*dll_sodium_mlock)(void * const, const size_t) = NULL; |
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238 static int (*dll_sodium_munlock)(void * const, const size_t) = NULL; |
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239 static int (*dll_crypto_secretstream_xchacha20poly1305_init_push) |
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240 (crypto_secretstream_xchacha20poly1305_state *state, |
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241 unsigned char [], |
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242 const unsigned char []) = NULL; |
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243 static int (*dll_crypto_secretstream_xchacha20poly1305_push) |
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244 (crypto_secretstream_xchacha20poly1305_state *state, |
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245 unsigned char *c, unsigned long long *clen_p, |
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246 const unsigned char *m, unsigned long long mlen, |
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247 const unsigned char *ad, unsigned long long adlen, unsigned char tag) |
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248 = NULL; |
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249 static int (*dll_crypto_secretstream_xchacha20poly1305_init_pull) |
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250 (crypto_secretstream_xchacha20poly1305_state *state, |
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251 const unsigned char [], |
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252 const unsigned char []) = NULL; |
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253 static int (*dll_crypto_secretstream_xchacha20poly1305_pull) |
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254 (crypto_secretstream_xchacha20poly1305_state *state, |
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255 unsigned char *m, unsigned long long *mlen_p, unsigned char *tag_p, |
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256 const unsigned char *c, unsigned long long clen, |
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257 const unsigned char *ad, unsigned long long adlen) = NULL; |
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258 static int (*dll_crypto_pwhash)(unsigned char * const out, |
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259 unsigned long long outlen, |
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260 const char * const passwd, unsigned long long passwdlen, |
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261 const unsigned char * const salt, |
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262 unsigned long long opslimit, size_t memlimit, int alg) |
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263 = NULL; |
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264 static void (*dll_randombytes_buf)(void * const buf, const size_t size); |
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265 static uint32_t (*dll_randombytes_random)(void); |
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266 |
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267 static struct { |
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268 const char *name; |
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269 SODIUM_PROC *ptr; |
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270 } sodium_funcname_table[] = { |
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271 {"sodium_init", (SODIUM_PROC*)&dll_sodium_init}, |
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272 {"sodium_free", (SODIUM_PROC*)&dll_sodium_free}, |
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273 {"sodium_malloc", (SODIUM_PROC*)&dll_sodium_malloc}, |
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274 {"sodium_memzero", (SODIUM_PROC*)&dll_sodium_memzero}, |
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275 {"sodium_mlock", (SODIUM_PROC*)&dll_sodium_mlock}, |
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276 {"sodium_munlock", (SODIUM_PROC*)&dll_sodium_munlock}, |
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277 {"crypto_secretstream_xchacha20poly1305_init_push", (SODIUM_PROC*)&dll_crypto_secretstream_xchacha20poly1305_init_push}, |
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278 {"crypto_secretstream_xchacha20poly1305_push", (SODIUM_PROC*)&dll_crypto_secretstream_xchacha20poly1305_push}, |
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279 {"crypto_secretstream_xchacha20poly1305_init_pull", (SODIUM_PROC*)&dll_crypto_secretstream_xchacha20poly1305_init_pull}, |
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280 {"crypto_secretstream_xchacha20poly1305_pull", (SODIUM_PROC*)&dll_crypto_secretstream_xchacha20poly1305_pull}, |
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281 {"crypto_pwhash", (SODIUM_PROC*)&dll_crypto_pwhash}, |
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282 {"randombytes_buf", (SODIUM_PROC*)&dll_randombytes_buf}, |
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283 {"randombytes_random", (SODIUM_PROC*)&dll_randombytes_random}, |
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284 {NULL, NULL} |
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285 }; |
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286 |
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287 static int |
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288 sodium_runtime_link_init(int verbose) |
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289 { |
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290 static HINSTANCE hsodium = NULL; |
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291 const char *libname = DYNAMIC_SODIUM_DLL; |
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292 int i; |
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293 |
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294 if (hsodium != NULL) |
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295 return OK; |
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296 |
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297 hsodium = load_dll(libname); |
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298 if (hsodium == NULL) |
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299 { |
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300 if (verbose) |
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301 semsg(_(e_could_not_load_library_str_str), libname, load_dll_error()); |
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302 return FAIL; |
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303 } |
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304 |
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305 for (i = 0; sodium_funcname_table[i].ptr; ++i) |
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306 { |
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307 if ((*sodium_funcname_table[i].ptr = symbol_from_dll(hsodium, |
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308 sodium_funcname_table[i].name)) == NULL) |
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309 { |
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310 close_dll(hsodium); |
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311 hsodium = NULL; |
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312 if (verbose) |
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313 semsg(_(e_could_not_load_library_function_str), sodium_funcname_table[i].name); |
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314 return FAIL; |
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315 } |
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316 } |
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317 return OK; |
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318 } |
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319 |
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320 static int |
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321 load_sodium(void) |
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322 { |
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323 if (sodium_runtime_link_init(TRUE) == FAIL) |
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324 return -1; |
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325 return dll_sodium_init(); |
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326 } |
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327 # endif |
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328 |
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329 # if defined(DYNAMIC_SODIUM) || defined(PROTO) |
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330 int |
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331 sodium_enabled(int verbose) |
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332 { |
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333 return sodium_runtime_link_init(verbose) == OK; |
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334 } |
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335 # endif |
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336 #endif |
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337 |
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338 #define CRYPT_MAGIC_LEN 12 // cannot change |
| 6122 | 339 static char crypt_magic_head[] = "VimCrypt~"; |
| 340 | |
| 341 /* | |
| 342 * Return int value for crypt method name. | |
| 343 * 0 for "zip", the old method. Also for any non-valid value. | |
| 344 * 1 for "blowfish". | |
| 345 * 2 for "blowfish2". | |
| 346 */ | |
| 347 int | |
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348 crypt_method_nr_from_name(char_u *name) |
| 6122 | 349 { |
| 350 int i; | |
| 351 | |
| 352 for (i = 0; i < CRYPT_M_COUNT; ++i) | |
| 353 if (STRCMP(name, cryptmethods[i].name) == 0) | |
| 354 return i; | |
| 355 return 0; | |
| 356 } | |
| 357 | |
| 358 /* | |
| 359 * Get the crypt method used for a file from "ptr[len]", the magic text at the | |
| 360 * start of the file. | |
| 361 * Returns -1 when no encryption used. | |
| 362 */ | |
| 363 int | |
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364 crypt_method_nr_from_magic(char *ptr, int len) |
| 6122 | 365 { |
| 366 int i; | |
| 367 | |
| 368 if (len < CRYPT_MAGIC_LEN) | |
| 369 return -1; | |
| 370 | |
| 371 for (i = 0; i < CRYPT_M_COUNT; i++) | |
| 372 if (memcmp(ptr, cryptmethods[i].magic, CRYPT_MAGIC_LEN) == 0) | |
| 373 return i; | |
| 374 | |
| 375 i = (int)STRLEN(crypt_magic_head); | |
| 376 if (len >= i && memcmp(ptr, crypt_magic_head, i) == 0) | |
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377 emsg(_(e_file_is_encrypted_with_unknown_method)); |
| 6122 | 378 |
| 379 return -1; | |
| 380 } | |
| 381 | |
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382 #ifdef CRYPT_NOT_INPLACE |
| 6122 | 383 /* |
| 384 * Return TRUE if the crypt method for "method_nr" can be done in-place. | |
| 385 */ | |
| 386 int | |
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387 crypt_works_inplace(cryptstate_T *state) |
| 6122 | 388 { |
| 389 return cryptmethods[state->method_nr].works_inplace; | |
| 390 } | |
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391 #endif |
| 6122 | 392 |
| 393 /* | |
| 394 * Get the crypt method for buffer "buf" as a number. | |
| 395 */ | |
| 396 int | |
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397 crypt_get_method_nr(buf_T *buf) |
| 6122 | 398 { |
| 399 return crypt_method_nr_from_name(*buf->b_p_cm == NUL ? p_cm : buf->b_p_cm); | |
| 400 } | |
| 401 | |
| 402 /* | |
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403 * Returns True for Sodium Encryption. |
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404 */ |
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405 int |
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406 crypt_method_is_sodium(int method) |
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407 { |
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408 return method == CRYPT_M_SOD || method == CRYPT_M_SOD2; |
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409 } |
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410 |
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411 /* |
| 6122 | 412 * Return TRUE when the buffer uses an encryption method that encrypts the |
| 413 * whole undo file, not only the text. | |
| 414 */ | |
| 415 int | |
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416 crypt_whole_undofile(int method_nr) |
| 6122 | 417 { |
| 418 return cryptmethods[method_nr].whole_undofile; | |
| 419 } | |
| 420 | |
| 421 /* | |
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422 * Get crypt method specific length of the file header in bytes. |
| 6122 | 423 */ |
| 424 int | |
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425 crypt_get_header_len(int method_nr) |
| 6122 | 426 { |
| 427 return CRYPT_MAGIC_LEN | |
| 428 + cryptmethods[method_nr].salt_len | |
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429 + cryptmethods[method_nr].seed_len |
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430 + cryptmethods[method_nr].add_len; |
| 6122 | 431 } |
| 432 | |
|
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433 |
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434 #if defined(FEAT_SODIUM) || defined(PROTO) |
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435 /* |
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436 * Get maximum crypt method specific length of the file header in bytes. |
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437 */ |
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438 int |
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439 crypt_get_max_header_len(void) |
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440 { |
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441 int i; |
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442 int max = 0; |
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443 int temp = 0; |
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444 |
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445 for (i = 0; i < CRYPT_M_COUNT; ++i) |
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446 { |
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447 temp = crypt_get_header_len(i); |
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448 if (temp > max) |
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449 max = temp; |
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450 } |
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451 return max; |
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452 } |
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453 #endif |
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454 |
| 6122 | 455 /* |
| 456 * Set the crypt method for buffer "buf" to "method_nr" using the int value as | |
| 457 * returned by crypt_method_nr_from_name(). | |
| 458 */ | |
| 459 void | |
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460 crypt_set_cm_option(buf_T *buf, int method_nr) |
| 6122 | 461 { |
| 462 free_string_option(buf->b_p_cm); | |
| 463 buf->b_p_cm = vim_strsave((char_u *)cryptmethods[method_nr].name); | |
| 464 } | |
| 465 | |
| 466 /* | |
| 467 * If the crypt method for the current buffer has a self-test, run it and | |
| 468 * return OK/FAIL. | |
| 469 */ | |
| 470 int | |
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471 crypt_self_test(void) |
| 6122 | 472 { |
| 473 int method_nr = crypt_get_method_nr(curbuf); | |
| 474 | |
| 475 if (cryptmethods[method_nr].self_test_fn == NULL) | |
| 476 return OK; | |
| 477 return cryptmethods[method_nr].self_test_fn(); | |
| 478 } | |
| 479 | |
| 480 /* | |
| 481 * Allocate a crypt state and initialize it. | |
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482 * Return NULL for failure. |
| 6122 | 483 */ |
| 484 cryptstate_T * | |
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485 crypt_create( |
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486 int method_nr, |
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487 char_u *key, |
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488 crypt_arg_T *crypt_arg) |
| 6122 | 489 { |
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490 cryptstate_T *state = ALLOC_ONE(cryptstate_T); |
| 6122 | 491 |
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492 if (state == NULL) |
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493 return state; |
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494 |
| 6122 | 495 state->method_nr = method_nr; |
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496 if (cryptmethods[method_nr].init_fn(state, key, crypt_arg) == FAIL) |
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497 { |
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498 vim_free(state); |
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499 return NULL; |
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500 } |
| 6122 | 501 return state; |
| 502 } | |
| 503 | |
| 504 /* | |
| 505 * Allocate a crypt state from a file header and initialize it. | |
| 506 * Assumes that header contains at least the number of bytes that | |
| 507 * crypt_get_header_len() returns for "method_nr". | |
| 508 */ | |
| 509 cryptstate_T * | |
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510 crypt_create_from_header( |
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511 int method_nr, |
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512 char_u *key, |
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513 char_u *header) |
| 6122 | 514 { |
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515 crypt_arg_T arg; |
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516 |
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517 CLEAR_FIELD(arg); |
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518 arg.cat_init_from_file = TRUE; |
| 6122 | 519 |
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520 arg.cat_salt_len = cryptmethods[method_nr].salt_len; |
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521 arg.cat_seed_len = cryptmethods[method_nr].seed_len; |
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522 arg.cat_add_len = cryptmethods[method_nr].add_len; |
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523 if (arg.cat_salt_len > 0) |
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524 arg.cat_salt = header + CRYPT_MAGIC_LEN; |
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525 if (arg.cat_seed_len > 0) |
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526 arg.cat_seed = header + CRYPT_MAGIC_LEN + arg.cat_salt_len; |
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527 if (arg.cat_add_len > 0) |
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528 arg.cat_add = header + CRYPT_MAGIC_LEN + arg.cat_salt_len + arg.cat_seed_len; |
| 6122 | 529 |
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530 return crypt_create(method_nr, key, &arg); |
| 6122 | 531 } |
| 532 | |
| 533 /* | |
| 534 * Read the crypt method specific header data from "fp". | |
| 535 * Return an allocated cryptstate_T or NULL on error. | |
| 536 */ | |
| 537 cryptstate_T * | |
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538 crypt_create_from_file(FILE *fp, char_u *key) |
| 6122 | 539 { |
| 540 int method_nr; | |
| 541 int header_len; | |
| 542 char magic_buffer[CRYPT_MAGIC_LEN]; | |
| 543 char_u *buffer; | |
| 544 cryptstate_T *state; | |
| 545 | |
| 546 if (fread(magic_buffer, CRYPT_MAGIC_LEN, 1, fp) != 1) | |
| 547 return NULL; | |
| 548 method_nr = crypt_method_nr_from_magic(magic_buffer, CRYPT_MAGIC_LEN); | |
| 549 if (method_nr < 0) | |
| 550 return NULL; | |
| 551 | |
| 552 header_len = crypt_get_header_len(method_nr); | |
| 553 if ((buffer = alloc(header_len)) == NULL) | |
| 554 return NULL; | |
| 555 mch_memmove(buffer, magic_buffer, CRYPT_MAGIC_LEN); | |
| 556 if (header_len > CRYPT_MAGIC_LEN | |
| 557 && fread(buffer + CRYPT_MAGIC_LEN, | |
| 558 header_len - CRYPT_MAGIC_LEN, 1, fp) != 1) | |
| 559 { | |
| 560 vim_free(buffer); | |
| 561 return NULL; | |
| 562 } | |
| 563 | |
| 564 state = crypt_create_from_header(method_nr, key, buffer); | |
| 565 vim_free(buffer); | |
| 566 return state; | |
| 567 } | |
| 568 | |
| 569 /* | |
| 570 * Allocate a cryptstate_T for writing and initialize it with "key". | |
| 571 * Allocates and fills in the header and stores it in "header", setting | |
| 572 * "header_len". The header may include salt and seed, depending on | |
| 573 * cryptmethod. Caller must free header. | |
| 574 * Returns the state or NULL on failure. | |
| 575 */ | |
| 576 cryptstate_T * | |
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577 crypt_create_for_writing( |
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578 int method_nr, |
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579 char_u *key, |
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580 char_u **header, |
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581 int *header_len) |
| 6122 | 582 { |
| 583 int len = crypt_get_header_len(method_nr); | |
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584 crypt_arg_T arg; |
| 6122 | 585 cryptstate_T *state; |
| 586 | |
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587 CLEAR_FIELD(arg); |
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588 arg.cat_salt_len = cryptmethods[method_nr].salt_len; |
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589 arg.cat_seed_len = cryptmethods[method_nr].seed_len; |
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590 arg.cat_add_len = cryptmethods[method_nr].add_len; |
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591 arg.cat_init_from_file = FALSE; |
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592 |
| 6122 | 593 *header_len = len; |
| 594 *header = alloc(len); | |
| 595 if (*header == NULL) | |
| 596 return NULL; | |
| 597 | |
| 598 mch_memmove(*header, cryptmethods[method_nr].magic, CRYPT_MAGIC_LEN); | |
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599 if (arg.cat_salt_len > 0 || arg.cat_seed_len > 0 || arg.cat_add_len > 0) |
| 6122 | 600 { |
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601 if (arg.cat_salt_len > 0) |
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602 arg.cat_salt = *header + CRYPT_MAGIC_LEN; |
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603 if (arg.cat_seed_len > 0) |
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604 arg.cat_seed = *header + CRYPT_MAGIC_LEN + arg.cat_salt_len; |
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605 if (arg.cat_add_len > 0) |
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606 arg.cat_add = *header + CRYPT_MAGIC_LEN + arg.cat_salt_len + arg.cat_seed_len; |
| 6122 | 607 |
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608 // TODO: Should this be crypt method specific? (Probably not worth |
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609 // it). sha2_seed is pretty bad for large amounts of entropy, so make |
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610 // that into something which is suitable for anything. |
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611 #ifdef FEAT_SODIUM |
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612 if (sodium_init() >= 0) |
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613 { |
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614 if (arg.cat_salt_len > 0) |
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615 randombytes_buf(arg.cat_salt, arg.cat_salt_len); |
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616 if (arg.cat_seed_len > 0) |
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617 randombytes_buf(arg.cat_seed, arg.cat_seed_len); |
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618 } |
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619 else |
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620 #endif |
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621 sha2_seed(arg.cat_salt, arg.cat_salt_len, arg.cat_seed, arg.cat_seed_len); |
| 6122 | 622 } |
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623 state = crypt_create(method_nr, key, &arg); |
| 6122 | 624 if (state == NULL) |
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625 VIM_CLEAR(*header); |
| 6122 | 626 return state; |
| 627 } | |
| 628 | |
| 629 /* | |
| 630 * Free the crypt state. | |
| 631 */ | |
| 632 void | |
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633 crypt_free_state(cryptstate_T *state) |
| 6122 | 634 { |
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635 #ifdef FEAT_SODIUM |
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636 if (crypt_method_is_sodium(state->method_nr)) |
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637 { |
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638 sodium_munlock(((sodium_state_T *)state->method_state)->key, |
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639 crypto_box_SEEDBYTES); |
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640 sodium_memzero(state->method_state, sizeof(sodium_state_T)); |
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641 sodium_free(state->method_state); |
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642 } |
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643 else |
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644 #endif |
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645 vim_free(state->method_state); |
| 6122 | 646 vim_free(state); |
| 647 } | |
| 648 | |
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649 #ifdef CRYPT_NOT_INPLACE |
| 6122 | 650 /* |
| 651 * Encode "from[len]" and store the result in a newly allocated buffer, which | |
| 652 * is stored in "newptr". | |
| 653 * Return number of bytes in "newptr", 0 for need more or -1 on error. | |
| 654 */ | |
| 655 long | |
|
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656 crypt_encode_alloc( |
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657 cryptstate_T *state, |
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658 char_u *from, |
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659 size_t len, |
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660 char_u **newptr, |
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661 int last) |
| 6122 | 662 { |
| 663 cryptmethod_T *method = &cryptmethods[state->method_nr]; | |
| 664 | |
| 665 if (method->encode_buffer_fn != NULL) | |
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666 // Has buffer function, pass through. |
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667 return method->encode_buffer_fn(state, from, len, newptr, last); |
| 6122 | 668 if (len == 0) |
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669 // Not buffering, just return EOF. |
| 6132 | 670 return (long)len; |
| 6122 | 671 |
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672 *newptr = alloc(len + 50); |
| 6122 | 673 if (*newptr == NULL) |
| 674 return -1; | |
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675 method->encode_fn(state, from, len, *newptr, last); |
| 6132 | 676 return (long)len; |
| 6122 | 677 } |
| 678 | |
| 679 /* | |
| 680 * Decrypt "ptr[len]" and store the result in a newly allocated buffer, which | |
| 681 * is stored in "newptr". | |
| 682 * Return number of bytes in "newptr", 0 for need more or -1 on error. | |
| 683 */ | |
| 684 long | |
|
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685 crypt_decode_alloc( |
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686 cryptstate_T *state, |
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687 char_u *ptr, |
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688 long len, |
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689 char_u **newptr, |
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690 int last) |
| 6122 | 691 { |
| 692 cryptmethod_T *method = &cryptmethods[state->method_nr]; | |
| 693 | |
| 694 if (method->decode_buffer_fn != NULL) | |
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695 // Has buffer function, pass through. |
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696 return method->decode_buffer_fn(state, ptr, len, newptr, last); |
| 6122 | 697 |
| 698 if (len == 0) | |
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699 // Not buffering, just return EOF. |
| 6122 | 700 return len; |
| 701 | |
| 702 *newptr = alloc(len); | |
| 703 if (*newptr == NULL) | |
| 704 return -1; | |
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705 method->decode_fn(state, ptr, len, *newptr, last); |
| 6122 | 706 return len; |
| 707 } | |
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708 #endif |
| 6122 | 709 |
| 710 /* | |
| 711 * Encrypting "from[len]" into "to[len]". | |
| 712 */ | |
| 713 void | |
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714 crypt_encode( |
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715 cryptstate_T *state, |
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716 char_u *from, |
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717 size_t len, |
|
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718 char_u *to, |
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719 int last) |
| 6122 | 720 { |
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721 cryptmethods[state->method_nr].encode_fn(state, from, len, to, last); |
| 6122 | 722 } |
| 723 | |
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724 #if 0 // unused |
| 6122 | 725 /* |
| 726 * decrypting "from[len]" into "to[len]". | |
| 727 */ | |
| 728 void | |
|
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729 crypt_decode( |
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730 cryptstate_T *state, |
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731 char_u *from, |
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732 size_t len, |
|
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733 char_u *to, |
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734 int last) |
| 6122 | 735 { |
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736 cryptmethods[state->method_nr].decode_fn(state, from, len, to, last); |
| 6122 | 737 } |
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738 #endif |
| 6122 | 739 |
| 740 /* | |
| 741 * Simple inplace encryption, modifies "buf[len]" in place. | |
| 742 */ | |
| 743 void | |
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744 crypt_encode_inplace( |
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745 cryptstate_T *state, |
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746 char_u *buf, |
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747 size_t len, |
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748 int last) |
| 6122 | 749 { |
|
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750 cryptmethods[state->method_nr].encode_inplace_fn(state, buf, len, |
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751 buf, last); |
| 6122 | 752 } |
| 753 | |
| 754 /* | |
| 755 * Simple inplace decryption, modifies "buf[len]" in place. | |
| 756 */ | |
| 757 void | |
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758 crypt_decode_inplace( |
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759 cryptstate_T *state, |
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760 char_u *buf, |
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761 size_t len, |
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762 int last) |
| 6122 | 763 { |
|
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764 cryptmethods[state->method_nr].decode_inplace_fn(state, buf, len, |
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765 buf, last); |
| 6122 | 766 } |
| 767 | |
| 768 /* | |
| 769 * Free an allocated crypt key. Clear the text to make sure it doesn't stay | |
| 770 * in memory anywhere. | |
| 771 */ | |
| 772 void | |
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773 crypt_free_key(char_u *key) |
| 6122 | 774 { |
| 775 char_u *p; | |
| 776 | |
| 777 if (key != NULL) | |
| 778 { | |
| 779 for (p = key; *p != NUL; ++p) | |
| 780 *p = 0; | |
| 781 vim_free(key); | |
| 782 } | |
| 783 } | |
| 784 | |
| 785 /* | |
| 6353 | 786 * Check the crypt method and give a warning if it's outdated. |
| 787 */ | |
| 788 void | |
|
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789 crypt_check_method(int method) |
| 6353 | 790 { |
|
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791 if (method < CRYPT_M_BF2 || method == CRYPT_M_SOD) |
| 6353 | 792 { |
| 793 msg_scroll = TRUE; | |
|
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794 msg(_("Warning: Using a weak encryption method; see :help 'cm'")); |
| 6353 | 795 } |
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796 } |
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797 |
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798 #ifdef FEAT_SODIUM |
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799 static void |
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800 crypt_check_swapfile_curbuf(void) |
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801 { |
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802 int method = crypt_get_method_nr(curbuf); |
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803 if (crypt_method_is_sodium(method)) |
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804 { |
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805 // encryption uses padding and MAC, that does not work very well with |
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806 // swap and undo files, so disable them |
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807 mf_close_file(curbuf, TRUE); // remove the swap file |
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808 set_option_value_give_err((char_u *)"swf", 0, NULL, OPT_LOCAL); |
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809 msg_scroll = TRUE; |
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810 msg(_("Note: Encryption of swapfile not supported, disabling swap file")); |
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811 } |
| 6353 | 812 } |
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813 #endif |
| 6353 | 814 |
| 815 void | |
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816 crypt_check_current_method(void) |
| 6353 | 817 { |
| 818 crypt_check_method(crypt_get_method_nr(curbuf)); | |
| 819 } | |
| 820 | |
| 821 /* | |
| 6122 | 822 * Ask the user for a crypt key. |
| 823 * When "store" is TRUE, the new key is stored in the 'key' option, and the | |
| 824 * 'key' option value is returned: Don't free it. | |
| 825 * When "store" is FALSE, the typed key is returned in allocated memory. | |
| 826 * Returns NULL on failure. | |
| 827 */ | |
| 828 char_u * | |
|
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829 crypt_get_key( |
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830 int store, |
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831 int twice) // Ask for the key twice. |
| 6122 | 832 { |
| 833 char_u *p1, *p2 = NULL; | |
| 834 int round; | |
| 835 | |
| 836 for (round = 0; ; ++round) | |
| 837 { | |
| 838 cmdline_star = TRUE; | |
| 839 cmdline_row = msg_row; | |
| 840 p1 = getcmdline_prompt(NUL, round == 0 | |
| 841 ? (char_u *)_("Enter encryption key: ") | |
| 842 : (char_u *)_("Enter same key again: "), 0, EXPAND_NOTHING, | |
| 843 NULL); | |
| 844 cmdline_star = FALSE; | |
| 845 | |
| 846 if (p1 == NULL) | |
| 847 break; | |
| 848 | |
| 849 if (round == twice) | |
| 850 { | |
| 851 if (p2 != NULL && STRCMP(p1, p2) != 0) | |
| 852 { | |
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853 msg(_("Keys don't match!")); |
| 6122 | 854 crypt_free_key(p1); |
| 855 crypt_free_key(p2); | |
| 856 p2 = NULL; | |
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857 round = -1; // do it again |
| 6122 | 858 continue; |
| 859 } | |
| 860 | |
| 861 if (store) | |
| 862 { | |
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863 set_option_value_give_err((char_u *)"key", 0L, p1, OPT_LOCAL); |
| 6122 | 864 crypt_free_key(p1); |
| 865 p1 = curbuf->b_p_key; | |
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866 #ifdef FEAT_SODIUM |
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867 crypt_check_swapfile_curbuf(); |
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868 #endif |
| 6122 | 869 } |
| 870 break; | |
| 871 } | |
| 872 p2 = p1; | |
| 873 } | |
| 874 | |
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875 // since the user typed this, no need to wait for return |
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876 if (!crypt_method_is_sodium(crypt_get_method_nr(curbuf))) |
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877 { |
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878 if (msg_didout) |
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879 msg_putchar('\n'); |
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880 need_wait_return = FALSE; |
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881 msg_didout = FALSE; |
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882 } |
| 6122 | 883 |
| 884 crypt_free_key(p2); | |
| 885 return p1; | |
| 886 } | |
| 887 | |
| 888 | |
| 889 /* | |
| 890 * Append a message to IObuff for the encryption/decryption method being used. | |
| 891 */ | |
| 892 void | |
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893 crypt_append_msg( |
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894 buf_T *buf) |
| 6122 | 895 { |
| 896 if (crypt_get_method_nr(buf) == 0) | |
| 897 STRCAT(IObuff, _("[crypted]")); | |
| 898 else | |
| 899 { | |
| 900 STRCAT(IObuff, "["); | |
| 901 STRCAT(IObuff, *buf->b_p_cm == NUL ? p_cm : buf->b_p_cm); | |
| 902 STRCAT(IObuff, "]"); | |
| 903 } | |
| 904 } | |
| 905 | |
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906 static int |
|
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907 crypt_sodium_init_( |
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908 cryptstate_T *state UNUSED, |
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909 char_u *key UNUSED, |
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910 crypt_arg_T *arg UNUSED) |
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911 { |
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912 # ifdef FEAT_SODIUM |
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913 // crypto_box_SEEDBYTES == crypto_secretstream_xchacha20poly1305_KEYBYTES |
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914 unsigned char dkey[crypto_box_SEEDBYTES]; // 32 |
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915 sodium_state_T *sd_state; |
|
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916 int retval = 0; |
|
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917 unsigned long long opslimit; |
|
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918 unsigned long long memlimit; |
|
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919 int alg; |
|
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920 |
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921 if (sodium_init() < 0) |
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922 return FAIL; |
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923 |
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924 sd_state = (sodium_state_T *)sodium_malloc(sizeof(sodium_state_T)); |
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925 sodium_memzero(sd_state, sizeof(sodium_state_T)); |
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926 |
|
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927 if ((state->method_nr == CRYPT_M_SOD2 && !arg->cat_init_from_file) |
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928 || state->method_nr == CRYPT_M_SOD) |
|
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929 { |
|
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930 opslimit = crypto_pwhash_OPSLIMIT_INTERACTIVE; |
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931 memlimit = crypto_pwhash_MEMLIMIT_INTERACTIVE; |
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932 alg = crypto_pwhash_ALG_DEFAULT; |
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933 |
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934 #if 0 |
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935 // For testing |
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936 if (state->method_nr == CRYPT_M_SOD2) |
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937 { |
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938 opslimit = crypto_pwhash_OPSLIMIT_MODERATE; |
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939 memlimit = crypto_pwhash_MEMLIMIT_MODERATE; |
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940 } |
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941 #endif |
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942 |
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943 // derive a key from the password |
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944 if (crypto_pwhash(dkey, sizeof(dkey), (const char *)key, STRLEN(key), |
|
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945 arg->cat_salt, opslimit, (size_t)memlimit, alg) != 0) |
|
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946 { |
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947 // out of memory |
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948 sodium_free(sd_state); |
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949 return FAIL; |
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950 } |
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951 memcpy(sd_state->key, dkey, crypto_box_SEEDBYTES); |
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952 |
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|
953 retval += sodium_mlock(sd_state->key, crypto_box_SEEDBYTES); |
|
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|
954 retval += sodium_mlock(key, STRLEN(key)); |
|
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diff
changeset
|
955 |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
956 if (retval < 0) |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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changeset
|
957 { |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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|
958 emsg(_(e_encryption_sodium_mlock_failed)); |
|
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changeset
|
959 sodium_free(sd_state); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
960 return FAIL; |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
961 } |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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changeset
|
962 if (state->method_nr == CRYPT_M_SOD2) |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
963 { |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
964 memcpy(arg->cat_add, &opslimit, sizeof(opslimit)); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
965 arg->cat_add += sizeof(opslimit); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
966 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
967 memcpy(arg->cat_add, &memlimit, sizeof(memlimit)); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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|
968 arg->cat_add += sizeof(memlimit); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
969 |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
970 memcpy(arg->cat_add, &alg, sizeof(alg)); |
|
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changeset
|
971 arg->cat_add += sizeof(alg); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
972 } |
|
24970
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patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
973 } |
|
32299
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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|
974 else |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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changeset
|
975 { |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
976 // Reading parameters from file |
|
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|
977 if (arg->cat_add_len |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
978 < (int)(sizeof(opslimit) + sizeof(memlimit) + sizeof(alg))) |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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changeset
|
979 { |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
980 sodium_free(sd_state); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
981 return FAIL; |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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changeset
|
982 } |
|
25417
1919361a53da
patch 8.2.3245: the crypt key may appear in a swap partition
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
983 |
|
32299
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
984 // derive the key from the file header |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
985 memcpy(&opslimit, arg->cat_add, sizeof(opslimit)); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
986 arg->cat_add += sizeof(opslimit); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
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changeset
|
987 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
988 memcpy(&memlimit, arg->cat_add, sizeof(memlimit)); |
|
3d4e28569a6d
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Bram Moolenaar <Bram@vim.org>
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changeset
|
989 arg->cat_add += sizeof(memlimit); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
990 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
991 memcpy(&alg, arg->cat_add, sizeof(alg)); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
992 arg->cat_add += sizeof(alg); |
|
25417
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parents:
25362
diff
changeset
|
993 |
|
32299
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
994 #ifdef FEAT_EVAL |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
995 crypt_sodium_report_hash_params(opslimit, |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
32280
diff
changeset
|
996 crypto_pwhash_OPSLIMIT_INTERACTIVE, |
|
32313
6761c71f4b25
patch 9.0.1488: xchacha20v2 crypt header is platform dependent
Bram Moolenaar <Bram@vim.org>
parents:
32299
diff
changeset
|
997 (size_t)memlimit, crypto_pwhash_MEMLIMIT_INTERACTIVE, |
|
32299
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
998 alg, crypto_pwhash_ALG_DEFAULT); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
999 #endif |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
1000 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
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changeset
|
1001 if (crypto_pwhash(dkey, sizeof(dkey), (const char *)key, STRLEN(key), |
|
32313
6761c71f4b25
patch 9.0.1488: xchacha20v2 crypt header is platform dependent
Bram Moolenaar <Bram@vim.org>
parents:
32299
diff
changeset
|
1002 arg->cat_salt, opslimit, (size_t)memlimit, alg) != 0) |
|
32299
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
1003 { |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1004 // out of memory |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1005 sodium_free(sd_state); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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diff
changeset
|
1006 return FAIL; |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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diff
changeset
|
1007 } |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1008 memcpy(sd_state->key, dkey, crypto_box_SEEDBYTES); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1009 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1010 retval += sodium_mlock(sd_state->key, crypto_box_SEEDBYTES); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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parents:
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changeset
|
1011 retval += sodium_mlock(key, STRLEN(key)); |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1012 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1013 if (retval < 0) |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1014 { |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1015 emsg(_(e_encryption_sodium_mlock_failed)); |
|
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patch 9.0.1481: decrypting with libsodium may fail if the library changes
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changeset
|
1016 sodium_free(sd_state); |
|
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changeset
|
1017 return FAIL; |
|
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diff
changeset
|
1018 } |
|
25417
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changeset
|
1019 } |
|
24970
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1020 sd_state->count = 0; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1021 state->method_state = sd_state; |
|
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diff
changeset
|
1022 |
|
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1023 return OK; |
|
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changeset
|
1024 # else |
|
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1025 emsg(e_libsodium_not_built_in); |
|
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1026 return FAIL; |
|
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diff
changeset
|
1027 # endif |
|
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changeset
|
1028 } |
|
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1029 |
|
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changeset
|
1030 /* |
|
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changeset
|
1031 * Encrypt "from[len]" into "to[len]". |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1032 * "from" and "to" can be equal to encrypt in place. |
|
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patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1033 * Call needs to ensure that there is enough space in to (for the header) |
|
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patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1034 */ |
|
24990
85d1e82ed134
patch 8.2.3032: build problems with MSVC, other crypt issues with libsodium
Bram Moolenaar <Bram@vim.org>
parents:
24986
diff
changeset
|
1035 #if 0 // Currently unused |
|
24970
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1036 void |
|
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patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1037 crypt_sodium_encode( |
|
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patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1038 cryptstate_T *state UNUSED, |
|
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diff
changeset
|
1039 char_u *from UNUSED, |
|
7e9e53a0368f
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diff
changeset
|
1040 size_t len UNUSED, |
|
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patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1041 char_u *to UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1042 int last UNUSED) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1043 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1044 # ifdef FEAT_SODIUM |
|
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patch 8.2.3022: available encryption methods are not strong enough
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changeset
|
1045 // crypto_box_SEEDBYTES == crypto_secretstream_xchacha20poly1305_KEYBYTES |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1046 sodium_state_T *sod_st = state->method_state; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1047 unsigned char tag = last |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1048 ? crypto_secretstream_xchacha20poly1305_TAG_FINAL : 0; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1049 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1050 if (sod_st->count == 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1051 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
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diff
changeset
|
1052 if (len <= crypto_secretstream_xchacha20poly1305_HEADERBYTES) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
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18757
diff
changeset
|
1053 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1054 emsg(e_libsodium_cannot_encrypt_header); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1055 return; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1056 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1057 crypto_secretstream_xchacha20poly1305_init_push(&sod_st->state, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1058 to, sod_st->key); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1059 to += crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1060 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1061 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1062 if (sod_st->count && len <= crypto_secretstream_xchacha20poly1305_ABYTES) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1063 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1064 emsg(e_libsodium_cannot_encrypt_buffer); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1065 return; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1066 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1067 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1068 crypto_secretstream_xchacha20poly1305_push(&sod_st->state, to, NULL, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1069 from, len, NULL, 0, tag); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1070 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1071 sod_st->count++; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1072 # endif |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1073 } |
|
24990
85d1e82ed134
patch 8.2.3032: build problems with MSVC, other crypt issues with libsodium
Bram Moolenaar <Bram@vim.org>
parents:
24986
diff
changeset
|
1074 #endif |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1075 |
|
24990
85d1e82ed134
patch 8.2.3032: build problems with MSVC, other crypt issues with libsodium
Bram Moolenaar <Bram@vim.org>
parents:
24986
diff
changeset
|
1076 /* |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1077 * Decrypt "from[len]" into "to[len]". |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1078 * "from" and "to" can be equal to encrypt in place. |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1079 */ |
|
24990
85d1e82ed134
patch 8.2.3032: build problems with MSVC, other crypt issues with libsodium
Bram Moolenaar <Bram@vim.org>
parents:
24986
diff
changeset
|
1080 #if 0 // Currently unused |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1081 void |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1082 crypt_sodium_decode( |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1083 cryptstate_T *state UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1084 char_u *from UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1085 size_t len UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1086 char_u *to UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1087 int last UNUSED) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1088 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1089 # ifdef FEAT_SODIUM |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1090 // crypto_box_SEEDBYTES == crypto_secretstream_xchacha20poly1305_KEYBYTES |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1091 sodium_state_T *sod_st = state->method_state; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1092 unsigned char tag; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1093 unsigned long long buf_len; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1094 char_u *p1 = from; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1095 char_u *p2 = to; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1096 char_u *buf_out; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1097 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1098 if (sod_st->count == 0 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1099 && len <= crypto_secretstream_xchacha20poly1305_HEADERBYTES) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1100 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1101 emsg(e_libsodium_cannot_decrypt_header); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1102 return; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1103 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1104 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1105 buf_out = (char_u *)alloc(len); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1106 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1107 if (buf_out == NULL) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1108 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1109 emsg(e_libsodium_cannot_allocate_buffer); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1110 return; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1111 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1112 if (sod_st->count == 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1113 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1114 if (crypto_secretstream_xchacha20poly1305_init_pull( |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1115 &sod_st->state, from, sod_st->key) != 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1116 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1117 emsg(e_libsodium_decryption_failed_header_incomplete); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1118 goto fail; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1119 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1120 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1121 from += crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1122 len -= crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1123 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1124 if (p1 == p2) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1125 to += crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1126 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1127 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1128 if (sod_st->count && len <= crypto_secretstream_xchacha20poly1305_ABYTES) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1129 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1130 emsg(e_libsodium_cannot_decrypt_buffer); |
|
24986
fa31a0ea09e1
patch 8.2.3030: Coverity reports a memory leak
Bram Moolenaar <Bram@vim.org>
parents:
24970
diff
changeset
|
1131 goto fail; |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1132 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1133 if (crypto_secretstream_xchacha20poly1305_pull(&sod_st->state, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1134 buf_out, &buf_len, &tag, from, len, NULL, 0) != 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1135 { |
|
24986
fa31a0ea09e1
patch 8.2.3030: Coverity reports a memory leak
Bram Moolenaar <Bram@vim.org>
parents:
24970
diff
changeset
|
1136 emsg(e_libsodium_decryption_failed); |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1137 goto fail; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1138 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1139 sod_st->count++; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1140 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1141 if (tag == crypto_secretstream_xchacha20poly1305_TAG_FINAL && !last) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1142 { |
|
24986
fa31a0ea09e1
patch 8.2.3030: Coverity reports a memory leak
Bram Moolenaar <Bram@vim.org>
parents:
24970
diff
changeset
|
1143 emsg(e_libsodium_decryption_failed_premature); |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1144 goto fail; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1145 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1146 if (p1 == p2) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1147 mch_memmove(p2, buf_out, buf_len); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1148 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1149 fail: |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1150 vim_free(buf_out); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1151 # endif |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1152 } |
|
24990
85d1e82ed134
patch 8.2.3032: build problems with MSVC, other crypt issues with libsodium
Bram Moolenaar <Bram@vim.org>
parents:
24986
diff
changeset
|
1153 #endif |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1154 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1155 /* |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1156 * Encrypt "from[len]" into "to[len]". |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1157 * "from" and "to" can be equal to encrypt in place. |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1158 */ |
|
29320
a74398c432a4
patch 9.0.0003: functions are global while they could be local
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1159 static long |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1160 crypt_sodium_buffer_encode( |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1161 cryptstate_T *state UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1162 char_u *from UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1163 size_t len UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1164 char_u **buf_out UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1165 int last UNUSED) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1166 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1167 # ifdef FEAT_SODIUM |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1168 // crypto_box_SEEDBYTES == crypto_secretstream_xchacha20poly1305_KEYBYTES |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1169 unsigned long long out_len; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1170 char_u *ptr; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1171 unsigned char tag = last |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1172 ? crypto_secretstream_xchacha20poly1305_TAG_FINAL : 0; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1173 int length; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1174 sodium_state_T *sod_st = state->method_state; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1175 int first = (sod_st->count == 0); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1176 |
|
24990
85d1e82ed134
patch 8.2.3032: build problems with MSVC, other crypt issues with libsodium
Bram Moolenaar <Bram@vim.org>
parents:
24986
diff
changeset
|
1177 length = (int)len + crypto_secretstream_xchacha20poly1305_ABYTES |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1178 + (first ? crypto_secretstream_xchacha20poly1305_HEADERBYTES : 0); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1179 *buf_out = alloc_clear(length); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1180 if (*buf_out == NULL) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1181 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1182 emsg(e_libsodium_cannot_allocate_buffer); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1183 return -1; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1184 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1185 ptr = *buf_out; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1186 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1187 if (first) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1188 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1189 crypto_secretstream_xchacha20poly1305_init_push(&sod_st->state, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1190 ptr, sod_st->key); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1191 ptr += crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1192 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1193 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1194 crypto_secretstream_xchacha20poly1305_push(&sod_st->state, ptr, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1195 &out_len, from, len, NULL, 0, tag); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1196 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1197 sod_st->count++; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1198 return out_len + (first |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1199 ? crypto_secretstream_xchacha20poly1305_HEADERBYTES : 0); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1200 # else |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1201 return -1; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1202 # endif |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1203 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1204 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1205 /* |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1206 * Decrypt "from[len]" into "to[len]". |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1207 * "from" and "to" can be equal to encrypt in place. |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1208 */ |
|
29320
a74398c432a4
patch 9.0.0003: functions are global while they could be local
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1209 static long |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1210 crypt_sodium_buffer_decode( |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1211 cryptstate_T *state UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1212 char_u *from UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1213 size_t len UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1214 char_u **buf_out UNUSED, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1215 int last UNUSED) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1216 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1217 # ifdef FEAT_SODIUM |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1218 // crypto_box_SEEDBYTES == crypto_secretstream_xchacha20poly1305_KEYBYTES |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1219 sodium_state_T *sod_st = state->method_state; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1220 unsigned char tag; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1221 unsigned long long out_len; |
|
32299
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1222 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1223 if (sod_st->count == 0 |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1224 && state->method_nr == CRYPT_M_SOD |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1225 && len > WRITEBUFSIZE |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1226 + crypto_secretstream_xchacha20poly1305_HEADERBYTES |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1227 + crypto_secretstream_xchacha20poly1305_ABYTES) |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1228 len -= cryptmethods[CRYPT_M_SOD2].add_len; |
|
3d4e28569a6d
patch 9.0.1481: decrypting with libsodium may fail if the library changes
Bram Moolenaar <Bram@vim.org>
parents:
32280
diff
changeset
|
1229 |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1230 *buf_out = alloc_clear(len); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1231 if (*buf_out == NULL) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1232 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1233 emsg(e_libsodium_cannot_allocate_buffer); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1234 return -1; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1235 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1236 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1237 if (sod_st->count == 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1238 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1239 if (crypto_secretstream_xchacha20poly1305_init_pull(&sod_st->state, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1240 from, sod_st->key) != 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1241 { |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1242 emsg(e_libsodium_decryption_failed_header_incomplete); |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1243 return -1; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1244 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1245 from += crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1246 len -= crypto_secretstream_xchacha20poly1305_HEADERBYTES; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1247 sod_st->count++; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1248 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1249 if (crypto_secretstream_xchacha20poly1305_pull(&sod_st->state, |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1250 *buf_out, &out_len, &tag, from, len, NULL, 0) != 0) |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1251 { |
|
24986
fa31a0ea09e1
patch 8.2.3030: Coverity reports a memory leak
Bram Moolenaar <Bram@vim.org>
parents:
24970
diff
changeset
|
1252 emsg(e_libsodium_decryption_failed); |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1253 return -1; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1254 } |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1255 |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1256 if (tag == crypto_secretstream_xchacha20poly1305_TAG_FINAL && !last) |
|
24986
fa31a0ea09e1
patch 8.2.3030: Coverity reports a memory leak
Bram Moolenaar <Bram@vim.org>
parents:
24970
diff
changeset
|
1257 emsg(e_libsodium_decryption_failed_premature); |
|
24970
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1258 return (long) out_len; |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1259 # else |
|
7e9e53a0368f
patch 8.2.3022: available encryption methods are not strong enough
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
1260 return -1; |
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1261 # endif |
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1262 } |
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1263 |
|
27231
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1264 # if defined(FEAT_SODIUM) || defined(PROTO) |
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1265 int |
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1266 crypt_sodium_munlock(void *const addr, const size_t len) |
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1267 { |
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1268 return sodium_munlock(addr, len); |
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1269 } |
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1270 |
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1271 void |
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1272 crypt_sodium_randombytes_buf(void *const buf, const size_t size) |
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1273 { |
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1274 randombytes_buf(buf, size); |
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1275 } |
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31379
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1276 |
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1277 int |
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1278 crypt_sodium_init(void) |
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1279 { |
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1280 return sodium_init(); |
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1281 } |
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1282 |
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1283 uint32_t |
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1284 crypt_sodium_randombytes_random(void) |
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1285 { |
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1286 return randombytes_random(); |
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1287 } |
|
32299
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1288 |
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1289 #if defined(FEAT_EVAL) || defined(PROTO) |
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1290 static void |
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1291 crypt_sodium_report_hash_params( |
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1292 unsigned long long opslimit, |
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1293 unsigned long long ops_def, |
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1294 size_t memlimit, |
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1295 size_t mem_def, |
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1296 int alg, |
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1297 int alg_def) |
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1298 { |
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1299 if (p_verbose > 0) |
|
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1300 { |
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1301 verbose_enter(); |
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1302 if (opslimit != ops_def) |
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1303 smsg(_("xchacha20v2: using custom opslimit \"%llu\" for Key derivation."), opslimit); |
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1304 else |
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1305 smsg(_("xchacha20v2: using default opslimit \"%llu\" for Key derivation."), opslimit); |
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1306 if (memlimit != mem_def) |
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1307 smsg(_("xchacha20v2: using custom memlimit \"%lu\" for Key derivation."), (unsigned long)memlimit); |
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1308 else |
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1309 smsg(_("xchacha20v2: using default memlimit \"%lu\" for Key derivation."), (unsigned long)memlimit); |
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1310 if (alg != alg_def) |
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1311 smsg(_("xchacha20v2: using custom algorithm \"%d\" for Key derivation."), alg); |
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1312 else |
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1313 smsg(_("xchacha20v2: using default algorithm \"%d\" for Key derivation."), alg); |
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1314 verbose_leave(); |
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1315 } |
|
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1316 } |
|
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1317 #endif |
|
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1318 # endif |
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1319 |
|
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1320 #endif // FEAT_CRYPT |