vim: src/sha256.c annotate

annotate src/sha256.c @ 10042:4aead6a9b7a9 v7.4.2293

commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 29 22:49:24 2016 +0200 patch 7.4.2293 Problem: Modelines in source code are inconsistant. Solution: Use the same line in most files. Add 'noet'. (Naruhiko Nishino)

author	Christian Brabandt <cb@256bit.org>
date	Mon, 29 Aug 2016 23:00:11 +0200
parents	4d7ce6c03fda
children	27b9a84395b5

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
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 4126 diff changeset	27 static void 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	28
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	29 #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	30 { \
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	31 (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	32 \| ( (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	33 \| ( (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	34 \| ( (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	35 }
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 #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	38 { \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	39 (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	40 (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	41 (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	42 (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	43 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	44
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	45 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	46 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	47 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	48 ctx->total[0] = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	49 ctx->total[1] = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	50
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	51 ctx->state[0] = 0x6A09E667;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	52 ctx->state[1] = 0xBB67AE85;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	53 ctx->state[2] = 0x3C6EF372;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	54 ctx->state[3] = 0xA54FF53A;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	55 ctx->state[4] = 0x510E527F;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	56 ctx->state[5] = 0x9B05688C;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	57 ctx->state[6] = 0x1F83D9AB;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	58 ctx->state[7] = 0x5BE0CD19;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	59 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	60
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	61 static void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	62 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	63 {
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	64 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	65 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	66
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	67 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	68 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	69 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	70 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	71 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	72 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	73 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	74 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	75 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	76 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	77 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	78 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	79 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	80 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	81 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	82 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	83
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	84 #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	85 #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	86
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	87 #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	88 #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	89
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	90 #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	91 #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	92
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	93 #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	94 #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	95
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	96 #define R(t) \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	97 ( \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	98 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	99 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	100 )
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 #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	103 { \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	104 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	105 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	106 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	107 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	108
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	109 A = ctx->state[0];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	110 B = ctx->state[1];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	111 C = ctx->state[2];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	112 D = ctx->state[3];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	113 E = ctx->state[4];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	114 F = ctx->state[5];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	115 G = ctx->state[6];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	116 H = ctx->state[7];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	117
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	118 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	119 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	120 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	121 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	122 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	123 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	124 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	125 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	126 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	127 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	128 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	129 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	130 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	131 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	132 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	133 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	134 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	135 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	136 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	137 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	138 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	139 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	140 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	141 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	142 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	143 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	144 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	145 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	146 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	147 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	148 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	149 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	150 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	151 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	152 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	153 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	154 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	155 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	156 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	157 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	158 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	159 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	160 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	161 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	162 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	163 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	164 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	165 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	166 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	167 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	168 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	169 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	170 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	171 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	172 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	173 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	174 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	175 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	176 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	177 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	178 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	179 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	180 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	181 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	182
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	183 ctx->state[0] += A;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	184 ctx->state[1] += B;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	185 ctx->state[2] += C;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	186 ctx->state[3] += D;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	187 ctx->state[4] += E;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	188 ctx->state[5] += F;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	189 ctx->state[6] += G;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	190 ctx->state[7] += H;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	191 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	192
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	193 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	194 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	195 {
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	196 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	197
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	198 if (length == 0)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	199 return;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	200
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	201 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	202 fill = 64 - left;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	203
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	204 ctx->total[0] += length;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	205 ctx->total[0] &= 0xFFFFFFFF;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	206
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	207 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	208 ctx->total[1]++;
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 if (left && length >= fill)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	211 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	212 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	213 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	214 length -= fill;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	215 input += fill;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	216 left = 0;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	217 }
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 while (length >= 64)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	220 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	221 sha256_process(ctx, input);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	222 length -= 64;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	223 input += 64;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	224 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	225
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	226 if (length)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	227 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	228 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	229
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	230 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	231 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	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 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	234 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	235 };
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	236
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	237 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	238 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	239 {
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	240 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	241 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	242 char_u msglen[8];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	243
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	244 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	245 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	246
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	247 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	248 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	249
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	250 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	251 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	252
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	253 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	254 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	255
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[0], digest, 0);
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[1], digest, 4);
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[2], digest, 8);
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[3], digest, 12);
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[4], digest, 16);
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[5], digest, 20);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	262 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	263 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	264 }
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	265 #endif /* FEAT_CRYPT \|\| FEAT_PERSISTENT_UNDO */
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	266
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	267 #if defined(FEAT_CRYPT) \|\| defined(PROTO)
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 4126 diff changeset	268 static unsigned int 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	269
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	270 /*
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	271 * 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	272 * 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	273 */
4126 2b340e5c5baa updated for version 7.3.816 Bram Moolenaar <bram@vim.org> parents: 3935 diff changeset	274 char_u *
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	275 sha256_bytes(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	276 char_u *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	277 int buf_len,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	278 char_u *salt,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	279 int salt_len)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	280 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	281 char_u sha256sum[32];
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	282 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	283 int j;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	284 context_sha256_T ctx;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	285
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	286 sha256_self_test();
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	287
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	288 sha256_start(&ctx);
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	289 sha256_update(&ctx, buf, buf_len);
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	290 if (salt != NULL)
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	291 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	292 sha256_finish(&ctx, sha256sum);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	293 for (j = 0; j < 32; j++)
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	294 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	295 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	296 return hexit;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	297 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	298
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	299 /*
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	300 * 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	301 */
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	302 char_u *
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	303 sha256_key(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	304 char_u *buf,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	305 char_u *salt,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	306 int salt_len)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	307 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	308 /* No passwd means don't encrypt */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	309 if (buf == NULL \|\| *buf == NUL)
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	310 return (char_u *)"";
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	311
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	312 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	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 /*
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	316 * 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	317 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	318
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	319 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	320 "abc",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	321 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	322 NULL
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	323 };
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	324
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	325 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	326 "ba7816bf8f01cfea414140de5dae2223" \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	327 "b00361a396177a9cb410ff61f20015ad",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	328 "248d6a61d20638b8e5c026930c3e6039" \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	329 "a33ce45964ff2167f6ecedd419db06c1",
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	330 "cdc76e5c9914fb9281a1c7e284d73e67" \
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	331 "f1809a48a497200e046d39ccc7112cd0"
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	332 };
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 /*
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	335 * 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	336 * Return FAIL or OK.
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	337 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	338 int
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	339 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	340 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	341 int i, j;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	342 char output[65];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	343 context_sha256_T ctx;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	344 char_u buf[1000];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	345 char_u sha256sum[32];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	346 static int failures = 0;
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	347 char_u *hexit;
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	348 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	349
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	350 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	351 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	352 sha256_self_tested = 1;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	353
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	354 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	355 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	356 if (i < 2)
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	357 {
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	358 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	359 (int)STRLEN(sha_self_test_msg[i]),
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	360 NULL, 0);
2182 3cb515c62e9c Minor updates to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2180 diff changeset	361 STRCPY(output, hexit);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	362 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	363 else
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	364 {
2214 f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test. Bram Moolenaar <bram@vim.org> parents: 2199 diff changeset	365 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	366 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	367 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	368 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	369 sha256_finish(&ctx, sha256sum);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	370 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	371 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	372 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	373 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	374 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	375 failures++;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	376 output[sizeof(output) - 1] = '\0';
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	377 /* printf("sha256_self_test %d failed %s\n", i, output); */
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 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	380 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	381 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	382
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	383 static unsigned int
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	384 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	385 {
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	386 # ifdef HAVE_GETTIMEOFDAY
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	387 struct timeval tv;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	388
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	389 /* Using usec makes it less predictable. */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	390 gettimeofday(&tv, NULL);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	391 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	392 # else
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	393 return (unsigned int)time(NULL);
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	394 # endif
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	395 }
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 /*
2267 c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	398 * Fill "header[header_len]" with random_data.
c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	399 * 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	400 */
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	401 void
7835 4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	402 sha2_seed(
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	403 char_u *header,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	404 int header_len,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	405 char_u *salt,
4d7ce6c03fda commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7 Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	406 int salt_len)
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	407 {
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	408 int i;
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	409 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	410 char_u sha256sum[32];
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	411 context_sha256_T ctx;
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	412
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	413 srand(get_some_time());
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	414
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	415 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	416 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	417 sha256_start(&ctx);
2180 f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	418 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	419 sha256_finish(&ctx, sha256sum);
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	420
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	421 /* 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	422 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	423 header[i] = sha256sum[i % sizeof(sha256sum)];
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	424
b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	425 /* put remaining block into salt. */
2267 c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	426 if (salt != NULL)
c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	427 for (i = 0; i < salt_len; i++)
c08f91142c41 Crypt the swapfile. Bram Moolenaar <bram@vim.org> parents: 2265 diff changeset	428 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	429 }
f60a0c9cbe6c Add the blowfish encryption patch from Mohsin Ahmed. Needs more work. Bram Moolenaar <bram@vim.org> parents: diff changeset	430
2265 b7cb69ab616d Added salt to blowfish encryption. Bram Moolenaar <bram@vim.org> parents: 2217 diff changeset	431 #endif /* FEAT_CRYPT */

Mercurial > vim

annotate src/sha256.c @ 10042:4aead6a9b7a9 v7.4.2293