From 8d85e6501a9aa49da4a4a910207566e85bd5fd4d Mon Sep 17 00:00:00 2001 From: ame Date: Mon, 15 Apr 2024 08:23:28 -0500 Subject: msys2 + fix logging --- src/hash/md5.c | 334 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 167 insertions(+), 167 deletions(-) (limited to 'src/hash/md5.c') diff --git a/src/hash/md5.c b/src/hash/md5.c index 9dd4612..2e6ad98 100644 --- a/src/hash/md5.c +++ b/src/hash/md5.c @@ -1,167 +1,167 @@ -#include "../crypto.h" -#include -#include -#include - -static const uint32_t K[] = {0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, 0xf57c0faf, - 0x4787c62a, 0xa8304613, 0xfd469501, 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, - 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, 0xf61e2562, 0xc040b340, 0x265e5a51, - 0xe9b6c7aa, 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8, 0x21e1cde6, 0xc33707d6, - 0xf4d50d87, 0x455a14ed, 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, 0xfffa3942, - 0x8771f681, 0x6d9d6122, 0xfde5380c, 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, - 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, - 0xc4ac5665, 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, 0x655b59c3, 0x8f0ccc92, - 0xffeff47d, 0x85845dd1, 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, - 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391}; - -static const uint32_t s[] = {7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, - 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, - 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, - 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21}; - -#define bs 64 - -struct md5_hash md5_init(){ - struct md5_hash a = {.a0 = 0x67452301, .b0 = 0xefcdab89, .c0 = 0x98badcfe, .d0 = 0x10325476, .total = 0, .bufflen = 0}; - a.buffer = calloc(sizeof * a.buffer, bs); - return a; -} - - -struct md5_hash md5_init_l(lua_State* L){ - struct md5_hash a = {.a0 = 0x67452301, .b0 = 0xefcdab89, .c0 = 0x98badcfe, .d0 = 0x10325476, .total = 0, .bufflen = 0}; - a.buffer = lua_newuserdata(L, sizeof * a.buffer * bs); - memset(a.buffer, 0, bs); - return a; -} - -void md5_round(struct md5_hash* hash){ - uint32_t* M = (uint32_t *)(hash->buffer); - - uint32_t A = hash->a0; - uint32_t B = hash->b0; - uint32_t C = hash->c0; - uint32_t D = hash->d0; - - for(int i = 0; i < 64; i++){ - uint32_t F, g; - - if(i < 16){ - F = (B & C) | ((~B) & D); - g = i; - } else if(i < 32){ - F = (D & B) | ((~D) & C); - g = (5*i + 1) % 16; - } else if(i < 48){ - F = B ^ C ^ D; - g = (3*i + 5) % 16; - } else { - F = C ^ (B | (~D)); - g = (7*i) % 16; - } - - - - F = F + A + K[i] + M[g]; - - uint32_t temp = D; - D = C; - C = B; - B = B + rotl32(F, s[i]); - A = temp; - } - - hash->a0 += A; - hash->b0 += B; - hash->c0 += C; - hash->d0 += D; -} - -void md5_update(uint8_t* input, size_t len, struct md5_hash* hash){ - hash->total += len; - size_t total_add = len + hash->bufflen; - size_t read = 0; - if(total_add < bs){ - memcpy(hash->buffer + hash->bufflen, input, len); - hash->bufflen += len; - return; - } - - for(; total_add >= bs;){ - memcpy(hash->buffer + hash->bufflen, input + read, bs - hash->bufflen); - - total_add -= bs; - read += bs; - hash->bufflen = 0; - md5_round(hash); - } - - memset(hash->buffer, 0, bs); - if(total_add != 0){ - memcpy(hash->buffer, input + read, total_add); - hash->bufflen = total_add; - } -} - -void md5_final(struct md5_hash* hash, char out_stream[64]){ - uint8_t old[bs]; - struct md5_hash old_hash; - memcpy(&old_hash, hash, sizeof * hash); - memcpy(old, hash->buffer, bs); - - hash->buffer[hash->bufflen] = 0x80; - - if(hash->bufflen > 55) { - //too large, needs another buffer - memset(hash->buffer + hash->bufflen + 1, 0, 64 - hash->bufflen); - md5_round(hash); - memset(hash->buffer, 0, 64); - } - - uint32_t lhhh = 8*hash->total; - memcpy(hash->buffer + 56, &lhhh, sizeof(lhhh)); - md5_round(hash); - - sprintf(out_stream,"%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x", - ((uint8_t*)&hash->a0)[0], ((uint8_t*)&hash->a0)[1], ((uint8_t*)&hash->a0)[2], ((uint8_t*)&hash->a0)[3], - ((uint8_t*)&hash->b0)[0], ((uint8_t*)&hash->b0)[1], ((uint8_t*)&hash->b0)[2], ((uint8_t*)&hash->b0)[3], - ((uint8_t*)&hash->c0)[0], ((uint8_t*)&hash->c0)[1], ((uint8_t*)&hash->c0)[2], ((uint8_t*)&hash->c0)[3], - ((uint8_t*)&hash->d0)[0], ((uint8_t*)&hash->d0)[1], ((uint8_t*)&hash->d0)[2], ((uint8_t*)&hash->d0)[3]); - - memcpy(hash->buffer, old, bs); - memcpy(hash, &old_hash, sizeof * hash); - -} - -common_hash_clone(md5); -lua_common_hash_init_ni(md5, md5, md5_init_l(L)); -lua_common_hash_update(md5, md5); -//common_hash_init_update(md5); - -int l_md5_final(lua_State* L){ - struct md5_hash* a = (struct md5_hash*)lua_touserdata(L, 1); - - char digest[128] = {0}; - md5_final(a, digest); - lua_pushstring(L, digest); - return 1; -} - -void md5(uint8_t* input, size_t len, char out_stream[64]){ - struct md5_hash aa = md5_init(); - md5_update(input, len, &aa); - md5_final(&aa, out_stream); - free(aa.buffer); -} - -int l_md5(lua_State* L){ - if(lua_gettop(L) == 0) return l_md5_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[128] = {0}; - md5(a, len, digest); - lua_pushstring(L, digest); - - return 1; -}; +#include "../crypto.h" +#include +#include +#include + +static const uint32_t K[] = {0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, 0xf57c0faf, + 0x4787c62a, 0xa8304613, 0xfd469501, 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, + 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, 0xf61e2562, 0xc040b340, 0x265e5a51, + 0xe9b6c7aa, 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8, 0x21e1cde6, 0xc33707d6, + 0xf4d50d87, 0x455a14ed, 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, 0xfffa3942, + 0x8771f681, 0x6d9d6122, 0xfde5380c, 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, + 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, + 0xc4ac5665, 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, 0x655b59c3, 0x8f0ccc92, + 0xffeff47d, 0x85845dd1, 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, + 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391}; + +static const uint32_t s[] = {7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, + 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, + 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, + 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21}; + +#define bs 64 + +struct md5_hash md5_init(){ + struct md5_hash a = {.a0 = 0x67452301, .b0 = 0xefcdab89, .c0 = 0x98badcfe, .d0 = 0x10325476, .total = 0, .bufflen = 0}; + a.buffer = calloc(sizeof * a.buffer, bs); + return a; +} + + +struct md5_hash md5_init_l(lua_State* L){ + struct md5_hash a = {.a0 = 0x67452301, .b0 = 0xefcdab89, .c0 = 0x98badcfe, .d0 = 0x10325476, .total = 0, .bufflen = 0}; + a.buffer = lua_newuserdata(L, sizeof * a.buffer * bs); + memset(a.buffer, 0, bs); + return a; +} + +void md5_round(struct md5_hash* hash){ + uint32_t* M = (uint32_t *)(hash->buffer); + + uint32_t A = hash->a0; + uint32_t B = hash->b0; + uint32_t C = hash->c0; + uint32_t D = hash->d0; + + for(int i = 0; i < 64; i++){ + uint32_t F, g; + + if(i < 16){ + F = (B & C) | ((~B) & D); + g = i; + } else if(i < 32){ + F = (D & B) | ((~D) & C); + g = (5*i + 1) % 16; + } else if(i < 48){ + F = B ^ C ^ D; + g = (3*i + 5) % 16; + } else { + F = C ^ (B | (~D)); + g = (7*i) % 16; + } + + + + F = F + A + K[i] + M[g]; + + uint32_t temp = D; + D = C; + C = B; + B = B + rotl32(F, s[i]); + A = temp; + } + + hash->a0 += A; + hash->b0 += B; + hash->c0 += C; + hash->d0 += D; +} + +void md5_update(uint8_t* input, size_t len, struct md5_hash* hash){ + hash->total += len; + size_t total_add = len + hash->bufflen; + size_t read = 0; + if(total_add < bs){ + memcpy(hash->buffer + hash->bufflen, input, len); + hash->bufflen += len; + return; + } + + for(; total_add >= bs;){ + memcpy(hash->buffer + hash->bufflen, input + read, bs - hash->bufflen); + + total_add -= bs; + read += bs; + hash->bufflen = 0; + md5_round(hash); + } + + memset(hash->buffer, 0, bs); + if(total_add != 0){ + memcpy(hash->buffer, input + read, total_add); + hash->bufflen = total_add; + } +} + +void md5_final(struct md5_hash* hash, char out_stream[64]){ + uint8_t old[bs]; + struct md5_hash old_hash; + memcpy(&old_hash, hash, sizeof * hash); + memcpy(old, hash->buffer, bs); + + hash->buffer[hash->bufflen] = 0x80; + + if(hash->bufflen > 55) { + //too large, needs another buffer + memset(hash->buffer + hash->bufflen + 1, 0, 64 - hash->bufflen); + md5_round(hash); + memset(hash->buffer, 0, 64); + } + + uint32_t lhhh = 8*hash->total; + memcpy(hash->buffer + 56, &lhhh, sizeof(lhhh)); + md5_round(hash); + + sprintf(out_stream,"%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x", + ((uint8_t*)&hash->a0)[0], ((uint8_t*)&hash->a0)[1], ((uint8_t*)&hash->a0)[2], ((uint8_t*)&hash->a0)[3], + ((uint8_t*)&hash->b0)[0], ((uint8_t*)&hash->b0)[1], ((uint8_t*)&hash->b0)[2], ((uint8_t*)&hash->b0)[3], + ((uint8_t*)&hash->c0)[0], ((uint8_t*)&hash->c0)[1], ((uint8_t*)&hash->c0)[2], ((uint8_t*)&hash->c0)[3], + ((uint8_t*)&hash->d0)[0], ((uint8_t*)&hash->d0)[1], ((uint8_t*)&hash->d0)[2], ((uint8_t*)&hash->d0)[3]); + + memcpy(hash->buffer, old, bs); + memcpy(hash, &old_hash, sizeof * hash); + +} + +common_hash_clone(md5); +lua_common_hash_init_ni(md5, md5, md5_init_l(L)); +lua_common_hash_update(md5, md5); +//common_hash_init_update(md5); + +int l_md5_final(lua_State* L){ + struct md5_hash* a = (struct md5_hash*)lua_touserdata(L, 1); + + char digest[128] = {0}; + md5_final(a, digest); + lua_pushstring(L, digest); + return 1; +} + +void md5(uint8_t* input, size_t len, char out_stream[64]){ + struct md5_hash aa = md5_init(); + md5_update(input, len, &aa); + md5_final(&aa, out_stream); + free(aa.buffer); +} + +int l_md5(lua_State* L){ + if(lua_gettop(L) == 0) return l_md5_init(L); + size_t len = 0; + uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); + + char digest[128] = {0}; + md5(a, len, digest); + lua_pushstring(L, digest); + + return 1; +}; -- cgit v1.2.3