vim: src/sha256.c annotate

annotate src/sha256.c @ 23452:8fa9d31cd248 v8.2.2269

patch 8.2.2269: not all :hardcopy code covered by tests Commit: https://github.com/vim/vim/commit/edc10b541b468f5f5aa2e2d5ef58a3e17e043bff Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 1 21:34:37 2021 +0100 patch 8.2.2269: not all :hardcopy code covered by tests Problem: Not all :hardcopy code covered by tests. Solution: Test more combinations. (Dominique Pell?, closes https://github.com/vim/vim/issues/7595)

author	Bram Moolenaar <Bram@vim.org>
date	Fri, 01 Jan 2021 21:45:04 +0100
parents	d34ec6fe207d
children	c1d1639b52dd

rev	line source
10042 4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47 Christian Brabandt <cb@256bit.org> parents: 7835 diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	2 *
2184 5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	3 * VIM - Vi IMproved by Bram Moolenaar
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	4 *
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	5 * Do ":help uganda" in Vim to read copying and usage conditions.
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	6 * Do ":help credits" in Vim to see a list of people who contributed.
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	7 * See README.txt for an overview of the Vim source code.
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	8 *
2184 5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	9 * FIPS-180-2 compliant SHA-256 implementation
3935 ee138f29259e updated for version 7.3.723 Bram Moolenaar <bram@vim.org> parents: 2311 diff changeset	10 * GPL by Christophe Devine, applies to older version.
2184 5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	11 * Modified for md5deep, in public domain.
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	12 * Modified For Vim, Mohsin Ahmed, http://www.cs.albany.edu/~mosh
3935 ee138f29259e updated for version 7.3.723 Bram Moolenaar <bram@vim.org> parents: 2311 diff changeset	13 * Mohsin Ahmed states this work is distributed under the VIM License or GPL,
ee138f29259e updated for version 7.3.723 Bram Moolenaar <bram@vim.org> parents: 2311 diff changeset	14 * at your choice.
2184 5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	15 *
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	16 * Vim specific notes:
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	17 * Functions exported by this file:
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	18 * 1. sha256_key() hashes the password to 64 bytes char string.
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	19 * 2. sha2_seed() generates a random header.
5028c4d6d825 Fixed encryption big/little endian test. Bram Moolenaar <bram@vim.org> parents: 2182 diff changeset	20 * sha256_self_test() is implicitly called once.
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	21 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	22
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	23 #include "vim.h"
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	24
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	25 #if defined(FEAT_CRYPT) \|\| defined(FEAT_PERSISTENT_UNDO)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	26
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	27 #define GET_UINT32(n, b, i) \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	28 { \
2199 014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	29 (n) = ( (UINT32_T)(b)[(i) ] << 24) \
014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	30 \| ( (UINT32_T)(b)[(i) + 1] << 16) \
014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	31 \| ( (UINT32_T)(b)[(i) + 2] << 8) \
014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	32 \| ( (UINT32_T)(b)[(i) + 3] ); \
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	33 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	34
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	35 #define PUT_UINT32(n,b,i) \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	36 { \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	37 (b)[(i) ] = (char_u)((n) >> 24); \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	38 (b)[(i) + 1] = (char_u)((n) >> 16); \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	39 (b)[(i) + 2] = (char_u)((n) >> 8); \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	40 (b)[(i) + 3] = (char_u)((n) ); \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	41 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	42
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	43 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	44 sha256_start(context_sha256_T *ctx)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	45 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	46 ctx->total[0] = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	47 ctx->total[1] = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	48
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	49 ctx->state[0] = 0x6A09E667;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	50 ctx->state[1] = 0xBB67AE85;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	51 ctx->state[2] = 0x3C6EF372;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	52 ctx->state[3] = 0xA54FF53A;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	53 ctx->state[4] = 0x510E527F;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	54 ctx->state[5] = 0x9B05688C;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	55 ctx->state[6] = 0x1F83D9AB;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	56 ctx->state[7] = 0x5BE0CD19;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	57 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	58
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	59 static void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	60 sha256_process(context_sha256_T *ctx, char_u data[64])
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	61 {
2199 014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	62 UINT32_T temp1, temp2, W[64];
014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	63 UINT32_T A, B, C, D, E, F, G, H;
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	64
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	65 GET_UINT32(W[0], data, 0);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	66 GET_UINT32(W[1], data, 4);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	67 GET_UINT32(W[2], data, 8);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	68 GET_UINT32(W[3], data, 12);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	69 GET_UINT32(W[4], data, 16);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	70 GET_UINT32(W[5], data, 20);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	71 GET_UINT32(W[6], data, 24);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	72 GET_UINT32(W[7], data, 28);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	73 GET_UINT32(W[8], data, 32);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	74 GET_UINT32(W[9], data, 36);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	75 GET_UINT32(W[10], data, 40);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	76 GET_UINT32(W[11], data, 44);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	77 GET_UINT32(W[12], data, 48);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	78 GET_UINT32(W[13], data, 52);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	79 GET_UINT32(W[14], data, 56);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	80 GET_UINT32(W[15], data, 60);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	81
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	82 #define SHR(x, n) ((x & 0xFFFFFFFF) >> n)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	83 #define ROTR(x, n) (SHR(x, n) \| (x << (32 - n)))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	84
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	85 #define S0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	86 #define S1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	87
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	88 #define S2(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	89 #define S3(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	90
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	91 #define F0(x, y, z) ((x & y) \| (z & (x \| y)))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	92 #define F1(x, y, z) (z ^ (x & (y ^ z)))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	93
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	94 #define R(t) \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	95 ( \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	96 W[t] = S1(W[t - 2]) + W[t - 7] + \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	97 S0(W[t - 15]) + W[t - 16] \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	98 )
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	99
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	100 #define P(a,b,c,d,e,f,g,h,x,K) \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	101 { \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	102 temp1 = h + S3(e) + F1(e, f, g) + K + x; \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	103 temp2 = S2(a) + F0(a, b, c); \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	104 d += temp1; h = temp1 + temp2; \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	105 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	106
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	107 A = ctx->state[0];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	108 B = ctx->state[1];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	109 C = ctx->state[2];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	110 D = ctx->state[3];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	111 E = ctx->state[4];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	112 F = ctx->state[5];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	113 G = ctx->state[6];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	114 H = ctx->state[7];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	115
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	116 P( A, B, C, D, E, F, G, H, W[ 0], 0x428A2F98);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	117 P( H, A, B, C, D, E, F, G, W[ 1], 0x71374491);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	118 P( G, H, A, B, C, D, E, F, W[ 2], 0xB5C0FBCF);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	119 P( F, G, H, A, B, C, D, E, W[ 3], 0xE9B5DBA5);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	120 P( E, F, G, H, A, B, C, D, W[ 4], 0x3956C25B);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	121 P( D, E, F, G, H, A, B, C, W[ 5], 0x59F111F1);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	122 P( C, D, E, F, G, H, A, B, W[ 6], 0x923F82A4);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	123 P( B, C, D, E, F, G, H, A, W[ 7], 0xAB1C5ED5);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	124 P( A, B, C, D, E, F, G, H, W[ 8], 0xD807AA98);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	125 P( H, A, B, C, D, E, F, G, W[ 9], 0x12835B01);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	126 P( G, H, A, B, C, D, E, F, W[10], 0x243185BE);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	127 P( F, G, H, A, B, C, D, E, W[11], 0x550C7DC3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	128 P( E, F, G, H, A, B, C, D, W[12], 0x72BE5D74);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	129 P( D, E, F, G, H, A, B, C, W[13], 0x80DEB1FE);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	130 P( C, D, E, F, G, H, A, B, W[14], 0x9BDC06A7);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	131 P( B, C, D, E, F, G, H, A, W[15], 0xC19BF174);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	132 P( A, B, C, D, E, F, G, H, R(16), 0xE49B69C1);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	133 P( H, A, B, C, D, E, F, G, R(17), 0xEFBE4786);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	134 P( G, H, A, B, C, D, E, F, R(18), 0x0FC19DC6);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	135 P( F, G, H, A, B, C, D, E, R(19), 0x240CA1CC);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	136 P( E, F, G, H, A, B, C, D, R(20), 0x2DE92C6F);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	137 P( D, E, F, G, H, A, B, C, R(21), 0x4A7484AA);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	138 P( C, D, E, F, G, H, A, B, R(22), 0x5CB0A9DC);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	139 P( B, C, D, E, F, G, H, A, R(23), 0x76F988DA);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	140 P( A, B, C, D, E, F, G, H, R(24), 0x983E5152);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	141 P( H, A, B, C, D, E, F, G, R(25), 0xA831C66D);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	142 P( G, H, A, B, C, D, E, F, R(26), 0xB00327C8);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	143 P( F, G, H, A, B, C, D, E, R(27), 0xBF597FC7);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	144 P( E, F, G, H, A, B, C, D, R(28), 0xC6E00BF3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	145 P( D, E, F, G, H, A, B, C, R(29), 0xD5A79147);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	146 P( C, D, E, F, G, H, A, B, R(30), 0x06CA6351);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	147 P( B, C, D, E, F, G, H, A, R(31), 0x14292967);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	148 P( A, B, C, D, E, F, G, H, R(32), 0x27B70A85);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	149 P( H, A, B, C, D, E, F, G, R(33), 0x2E1B2138);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	150 P( G, H, A, B, C, D, E, F, R(34), 0x4D2C6DFC);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	151 P( F, G, H, A, B, C, D, E, R(35), 0x53380D13);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	152 P( E, F, G, H, A, B, C, D, R(36), 0x650A7354);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	153 P( D, E, F, G, H, A, B, C, R(37), 0x766A0ABB);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	154 P( C, D, E, F, G, H, A, B, R(38), 0x81C2C92E);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	155 P( B, C, D, E, F, G, H, A, R(39), 0x92722C85);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	156 P( A, B, C, D, E, F, G, H, R(40), 0xA2BFE8A1);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	157 P( H, A, B, C, D, E, F, G, R(41), 0xA81A664B);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	158 P( G, H, A, B, C, D, E, F, R(42), 0xC24B8B70);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	159 P( F, G, H, A, B, C, D, E, R(43), 0xC76C51A3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	160 P( E, F, G, H, A, B, C, D, R(44), 0xD192E819);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	161 P( D, E, F, G, H, A, B, C, R(45), 0xD6990624);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	162 P( C, D, E, F, G, H, A, B, R(46), 0xF40E3585);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	163 P( B, C, D, E, F, G, H, A, R(47), 0x106AA070);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	164 P( A, B, C, D, E, F, G, H, R(48), 0x19A4C116);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	165 P( H, A, B, C, D, E, F, G, R(49), 0x1E376C08);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	166 P( G, H, A, B, C, D, E, F, R(50), 0x2748774C);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	167 P( F, G, H, A, B, C, D, E, R(51), 0x34B0BCB5);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	168 P( E, F, G, H, A, B, C, D, R(52), 0x391C0CB3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	169 P( D, E, F, G, H, A, B, C, R(53), 0x4ED8AA4A);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	170 P( C, D, E, F, G, H, A, B, R(54), 0x5B9CCA4F);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	171 P( B, C, D, E, F, G, H, A, R(55), 0x682E6FF3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	172 P( A, B, C, D, E, F, G, H, R(56), 0x748F82EE);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	173 P( H, A, B, C, D, E, F, G, R(57), 0x78A5636F);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	174 P( G, H, A, B, C, D, E, F, R(58), 0x84C87814);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	175 P( F, G, H, A, B, C, D, E, R(59), 0x8CC70208);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	176 P( E, F, G, H, A, B, C, D, R(60), 0x90BEFFFA);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	177 P( D, E, F, G, H, A, B, C, R(61), 0xA4506CEB);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	178 P( C, D, E, F, G, H, A, B, R(62), 0xBEF9A3F7);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	179 P( B, C, D, E, F, G, H, A, R(63), 0xC67178F2);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	180
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	181 ctx->state[0] += A;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	182 ctx->state[1] += B;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	183 ctx->state[2] += C;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	184 ctx->state[3] += D;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	185 ctx->state[4] += E;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	186 ctx->state[5] += F;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	187 ctx->state[6] += G;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	188 ctx->state[7] += H;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	189 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	190
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	191 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	192 sha256_update(context_sha256_T ctx, char_u input, UINT32_T length)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	193 {
2199 014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	194 UINT32_T left, fill;
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	195
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	196 if (length == 0)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	197 return;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	198
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	199 left = ctx->total[0] & 0x3F;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	200 fill = 64 - left;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	201
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	202 ctx->total[0] += length;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	203 ctx->total[0] &= 0xFFFFFFFF;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	204
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	205 if (ctx->total[0] < length)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	206 ctx->total[1]++;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	207
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	208 if (left && length >= fill)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	209 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	210 memcpy((void )(ctx->buffer + left), (void )input, fill);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	211 sha256_process(ctx, ctx->buffer);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	212 length -= fill;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	213 input += fill;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	214 left = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	215 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	216
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	217 while (length >= 64)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	218 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	219 sha256_process(ctx, input);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	220 length -= 64;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	221 input += 64;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	222 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	223
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	224 if (length)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	225 memcpy((void )(ctx->buffer + left), (void )input, length);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	226 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	227
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	228 static char_u sha256_padding[64] = {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	229 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	230 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	231 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	232 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	233 };
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	234
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	235 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	236 sha256_finish(context_sha256_T *ctx, char_u digest[32])
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	237 {
2199 014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	238 UINT32_T last, padn;
014a996ac896 Use UINT32_T in the code, define it to uint32_t or unsigned int. Bram Moolenaar <bram@vim.org> parents: 2184 diff changeset	239 UINT32_T high, low;
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	240 char_u msglen[8];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	241
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	242 high = (ctx->total[0] >> 29) \| (ctx->total[1] << 3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	243 low = (ctx->total[0] << 3);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	244
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	245 PUT_UINT32(high, msglen, 0);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	246 PUT_UINT32(low, msglen, 4);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	247
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	248 last = ctx->total[0] & 0x3F;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	249 padn = (last < 56) ? (56 - last) : (120 - last);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	250
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	251 sha256_update(ctx, sha256_padding, padn);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	252 sha256_update(ctx, msglen, 8);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	253
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	254 PUT_UINT32(ctx->state[0], digest, 0);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	255 PUT_UINT32(ctx->state[1], digest, 4);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	256 PUT_UINT32(ctx->state[2], digest, 8);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	257 PUT_UINT32(ctx->state[3], digest, 12);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	258 PUT_UINT32(ctx->state[4], digest, 16);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	259 PUT_UINT32(ctx->state[5], digest, 20);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	260 PUT_UINT32(ctx->state[6], digest, 24);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	261 PUT_UINT32(ctx->state[7], digest, 28);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	262 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	263 #endif // FEAT_CRYPT \|\| FEAT_PERSISTENT_UNDO
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	264
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	265 #if defined(FEAT_CRYPT) \|\| defined(PROTO)
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	266 /*
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	267 * Returns hex digest of "buf[buf_len]" in a static array.
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	268 * if "salt" is not NULL also do "salt[salt_len]".
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	269 */
4126 2b340e5c5baa updated for version 7.3.816 Bram Moolenaar <bram@vim.org> parents: 3935 diff changeset	270 char_u *
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	271 sha256_bytes(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	272 char_u *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	273 int buf_len,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	274 char_u *salt,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	275 int salt_len)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	276 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	277 char_u sha256sum[32];
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	278 static char_u hexit[65];
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	279 int j;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	280 context_sha256_T ctx;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	281
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	282 sha256_self_test();
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	283
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	284 sha256_start(&ctx);
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	285 sha256_update(&ctx, buf, buf_len);
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	286 if (salt != NULL)
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	287 sha256_update(&ctx, salt, salt_len);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	288 sha256_finish(&ctx, sha256sum);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	289 for (j = 0; j < 32; j++)
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	290 sprintf((char )hexit + j 2, "%02x", sha256sum[j]);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	291 hexit[sizeof(hexit) - 1] = '\0';
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	292 return hexit;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	293 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	294
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	295 /*
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	296 * Returns sha256(buf) as 64 hex chars in static array.
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	297 */
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	298 char_u *
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	299 sha256_key(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	300 char_u *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	301 char_u *salt,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	302 int salt_len)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	303 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	304 // No passwd means don't encrypt
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	305 if (buf == NULL \|\| *buf == NUL)
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	306 return (char_u *)"";
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	307
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	308 return sha256_bytes(buf, (int)STRLEN(buf), salt, salt_len);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	309 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	310
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	311 /*
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	312 * These are the standard FIPS-180-2 test vectors
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	313 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	314
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	315 static char *sha_self_test_msg[] = {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	316 "abc",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	317 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	318 NULL
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	319 };
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	320
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	321 static char *sha_self_test_vector[] = {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	322 "ba7816bf8f01cfea414140de5dae2223" \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	323 "b00361a396177a9cb410ff61f20015ad",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	324 "248d6a61d20638b8e5c026930c3e6039" \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	325 "a33ce45964ff2167f6ecedd419db06c1",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	326 "cdc76e5c9914fb9281a1c7e284d73e67" \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	327 "f1809a48a497200e046d39ccc7112cd0"
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	328 };
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	329
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	330 /*
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	331 * Perform a test on the SHA256 algorithm.
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	332 * Return FAIL or OK.
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	333 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	334 int
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	335 sha256_self_test(void)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	336 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	337 int i, j;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	338 char output[65];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	339 context_sha256_T ctx;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	340 char_u buf[1000];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	341 char_u sha256sum[32];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	342 static int failures = 0;
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	343 char_u *hexit;
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	344 static int sha256_self_tested = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	345
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	346 if (sha256_self_tested > 0)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	347 return failures > 0 ? FAIL : OK;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	348 sha256_self_tested = 1;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	349
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	350 for (i = 0; i < 3; i++)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	351 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	352 if (i < 2)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	353 {
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	354 hexit = sha256_bytes((char_u *)sha_self_test_msg[i],
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	355 (int)STRLEN(sha_self_test_msg[i]),
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	356 NULL, 0);
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	357 STRCPY(output, hexit);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	358 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	359 else
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	360 {
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	361 sha256_start(&ctx);
2215 cccb71c2c5c1 Fix uninit memory read in undo code. Fix uint32_t in proto file. Bram Moolenaar <bram@vim.org> parents: 2214 diff changeset	362 vim_memset(buf, 'a', 1000);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	363 for (j = 0; j < 1000; j++)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	364 sha256_update(&ctx, (char_u *)buf, 1000);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	365 sha256_finish(&ctx, sha256sum);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	366 for (j = 0; j < 32; j++)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	367 sprintf(output + j * 2, "%02x", sha256sum[j]);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	368 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	369 if (memcmp(output, sha_self_test_vector[i], 64))
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	370 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	371 failures++;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	372 output[sizeof(output) - 1] = '\0';
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	373 // printf("sha256_self_test %d failed %s\n", i, output);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	374 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	375 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	376 return failures > 0 ? FAIL : OK;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	377 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	378
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	379 static unsigned int
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	380 get_some_time(void)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	381 {
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	382 # ifdef HAVE_GETTIMEOFDAY
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	383 struct timeval tv;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	384
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	385 // Using usec makes it less predictable.
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	386 gettimeofday(&tv, NULL);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	387 return (unsigned int)(tv.tv_sec + tv.tv_usec);
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	388 # else
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	389 return (unsigned int)time(NULL);
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	390 # endif
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	391 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	392
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	393 /*
2267 c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	394 * Fill "header[header_len]" with random_data.
c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	395 * Also "salt[salt_len]" when "salt" is not NULL.
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	396 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	397 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	398 sha2_seed(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	399 char_u *header,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	400 int header_len,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	401 char_u *salt,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	402 int salt_len)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	403 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	404 int i;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	405 static char_u random_data[1000];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	406 char_u sha256sum[32];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	407 context_sha256_T ctx;
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	408
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	409 srand(get_some_time());
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	410
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	411 for (i = 0; i < (int)sizeof(random_data) - 1; i++)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	412 random_data[i] = (char_u)((get_some_time() ^ rand()) & 0xff);
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	413 sha256_start(&ctx);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	414 sha256_update(&ctx, (char_u *)random_data, sizeof(random_data));
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	415 sha256_finish(&ctx, sha256sum);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	416
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	417 // put first block into header.
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	418 for (i = 0; i < header_len; i++)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	419 header[i] = sha256sum[i % sizeof(sha256sum)];
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	420
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	421 // put remaining block into salt.
2267 c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	422 if (salt != NULL)
c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	423 for (i = 0; i < salt_len; i++)
c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	424 salt[i] = sha256sum[(i + header_len) % sizeof(sha256sum)];
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	425 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	426
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 14862 diff changeset	427 #endif // FEAT_CRYPT

Mercurial > vim

annotate src/sha256.c @ 23452:8fa9d31cd248 v8.2.2269