diff options
Diffstat (limited to 'src/hash/sha2xx.c')
| -rw-r--r-- | src/hash/sha2xx.c | 228 |
1 files changed, 114 insertions, 114 deletions
diff --git a/src/hash/sha2xx.c b/src/hash/sha2xx.c index c67e40d..531967e 100644 --- a/src/hash/sha2xx.c +++ b/src/hash/sha2xx.c @@ -6,10 +6,10 @@ #define bs 64 struct sha256_hash sha256_init(){ - struct sha256_hash a = {.h0 = 0x6a09e667, .h1 = 0xbb67ae85, .h2 = 0x3c6ef372, .h3 = 0xa54ff53a, .h4 = 0x510e527f, .h5 = 0x9b05688c, .h6 = 0x1f83d9ab, .h7 = 0x5be0cd19, - .total = 0, .bufflen = 0}; - a.buffer = calloc(sizeof * a.buffer, bs); - return a; + struct sha256_hash a = {.h0 = 0x6a09e667, .h1 = 0xbb67ae85, .h2 = 0x3c6ef372, .h3 = 0xa54ff53a, .h4 = 0x510e527f, .h5 = 0x9b05688c, .h6 = 0x1f83d9ab, .h7 = 0x5be0cd19, + .total = 0, .bufflen = 0}; + a.buffer = calloc(sizeof * a.buffer, bs); + return a; } int sha256_free_l(lua_State* L){ @@ -21,96 +21,96 @@ int sha256_free_l(lua_State* L){ #define sha224_free_l sha256_free_l struct sha256_hash sha256_init_l(lua_State* L){ - struct sha256_hash a = {.h0 = 0x6a09e667, .h1 = 0xbb67ae85, .h2 = 0x3c6ef372, .h3 = 0xa54ff53a, .h4 = 0x510e527f, .h5 = 0x9b05688c, .h6 = 0x1f83d9ab, .h7 = 0x5be0cd19, - .total = 0, .bufflen = 0}; - a.buffer = calloc(sizeof * a.buffer, bs); - memset(a.buffer, 0, bs); - return a; + struct sha256_hash a = {.h0 = 0x6a09e667, .h1 = 0xbb67ae85, .h2 = 0x3c6ef372, .h3 = 0xa54ff53a, .h4 = 0x510e527f, .h5 = 0x9b05688c, .h6 = 0x1f83d9ab, .h7 = 0x5be0cd19, + .total = 0, .bufflen = 0}; + a.buffer = calloc(sizeof * a.buffer, bs); + memset(a.buffer, 0, bs); + return a; } struct sha256_hash sha224_init(){ - struct sha256_hash a = sha256_init(); - a.h0 = 0xc1059ed8; - a.h1 = 0x367cd507; - a.h2 = 0x3070dd17; - a.h3 = 0xf70e5939; - a.h4 = 0xffc00b31; - a.h5 = 0x68581511; - a.h6 = 0x64f98fa7; - a.h7 = 0xbefa4fa4; - return a; + struct sha256_hash a = sha256_init(); + a.h0 = 0xc1059ed8; + a.h1 = 0x367cd507; + a.h2 = 0x3070dd17; + a.h3 = 0xf70e5939; + a.h4 = 0xffc00b31; + a.h5 = 0x68581511; + a.h6 = 0x64f98fa7; + a.h7 = 0xbefa4fa4; + return a; } struct sha256_hash sha224_init_l(lua_State* L){ - struct sha256_hash a = sha256_init_l(L); - a.h0 = 0xc1059ed8; - a.h1 = 0x367cd507; - a.h2 = 0x3070dd17; - a.h3 = 0xf70e5939; - a.h4 = 0xffc00b31; - a.h5 = 0x68581511; - a.h6 = 0x64f98fa7; - a.h7 = 0xbefa4fa4; - return a; + struct sha256_hash a = sha256_init_l(L); + a.h0 = 0xc1059ed8; + a.h1 = 0x367cd507; + a.h2 = 0x3070dd17; + a.h3 = 0xf70e5939; + a.h4 = 0xffc00b31; + a.h5 = 0x68581511; + a.h6 = 0x64f98fa7; + a.h7 = 0xbefa4fa4; + return a; } void sha256_round(struct sha256_hash* hash){ - const uint32_t k[64] = {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2}; - uint32_t W[64]; - memset(W, 0, 64 * sizeof (uint32_t)); - - for (int i = 0; i < 16; i++) - W[i] = (hash->buffer[i * 4] << 24) | (hash->buffer[i * 4 + 1] << 16) | (hash->buffer[i * 4 + 2] << 8) | (hash->buffer[i * 4 + 3]); - - for(int i = 16; i != 64; i++){ - uint32_t s0 = rotr32(W[i - 15], 7) ^ rotr32(W[i - 15], 18) ^ (W[i - 15] >> 3); - uint32_t s1 = rotr32(W[i - 2], 17) ^ rotr32(W[i - 2], 19) ^ (W[i - 2] >> 10); - W[i] = W[i - 16] + s0 + W[i - 7] + s1; - } - - uint32_t a = hash->h0; - uint32_t b = hash->h1; - uint32_t c = hash->h2; - uint32_t d = hash->h3; - uint32_t e = hash->h4; - uint32_t f = hash->h5; - uint32_t g = hash->h6; - uint32_t h = hash->h7; - - for(int i = 0; i != 64; i++){ - uint32_t S1 = rotr32(e, 6) ^ rotr32(e, 11) ^ rotr32(e, 25); - uint32_t ch = (e & f) ^ ((~e) & g); - uint32_t temp1 = h + S1 + ch + k[i] + W[i]; - - uint32_t S0 = rotr32(a, 2) ^ rotr32(a, 13) ^ rotr32(a, 22); - uint32_t maj = (a & b) ^ (a & c) ^ (b & c); - uint32_t temp2 = S0 + maj; - - h = g; - g = f; - f = e; - e = d + temp1; - d = c; - c = b; - b = a; - a = temp1 + temp2; - } - - hash->h0 += a; - hash->h1 += b; - hash->h2 += c; - hash->h3 += d; - hash->h4 += e; - hash->h5 += f; - hash->h6 += g; - hash->h7 += h; + const uint32_t k[64] = {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2}; + uint32_t W[64]; + memset(W, 0, 64 * sizeof (uint32_t)); + + for (int i = 0; i < 16; i++) + W[i] = (hash->buffer[i * 4] << 24) | (hash->buffer[i * 4 + 1] << 16) | (hash->buffer[i * 4 + 2] << 8) | (hash->buffer[i * 4 + 3]); + + for(int i = 16; i != 64; i++){ + uint32_t s0 = rotr32(W[i - 15], 7) ^ rotr32(W[i - 15], 18) ^ (W[i - 15] >> 3); + uint32_t s1 = rotr32(W[i - 2], 17) ^ rotr32(W[i - 2], 19) ^ (W[i - 2] >> 10); + W[i] = W[i - 16] + s0 + W[i - 7] + s1; + } + + uint32_t a = hash->h0; + uint32_t b = hash->h1; + uint32_t c = hash->h2; + uint32_t d = hash->h3; + uint32_t e = hash->h4; + uint32_t f = hash->h5; + uint32_t g = hash->h6; + uint32_t h = hash->h7; + + for(int i = 0; i != 64; i++){ + uint32_t S1 = rotr32(e, 6) ^ rotr32(e, 11) ^ rotr32(e, 25); + uint32_t ch = (e & f) ^ ((~e) & g); + uint32_t temp1 = h + S1 + ch + k[i] + W[i]; + + uint32_t S0 = rotr32(a, 2) ^ rotr32(a, 13) ^ rotr32(a, 22); + uint32_t maj = (a & b) ^ (a & c) ^ (b & c); + uint32_t temp2 = S0 + maj; + + h = g; + g = f; + f = e; + e = d + temp1; + d = c; + c = b; + b = a; + a = temp1 + temp2; + } + + hash->h0 += a; + hash->h1 += b; + hash->h2 += c; + hash->h3 += d; + hash->h4 += e; + hash->h5 += f; + hash->h6 += g; + hash->h7 += h; } #define sha224_update sha256_update @@ -149,7 +149,7 @@ void _sha256_final(struct sha256_hash* hash){ sha256_round(hash); memset(hash->buffer, 0, bs); } - + size_t blen = 8*hash->total; for(int i = 0; i != 8; i++) hash->buffer[63 - i] = (uint8_t) (blen >> (i * 8) & 0xFF); @@ -158,43 +158,43 @@ void _sha256_final(struct sha256_hash* hash){ } void sha256_final(struct sha256_hash* hash, char* out){ - uint8_t old[bs]; - struct sha256_hash old_hash; - memcpy(&old_hash, hash, sizeof * hash); - memcpy(old, hash->buffer, bs); + uint8_t old[bs]; + struct sha256_hash old_hash; + memcpy(&old_hash, hash, sizeof * hash); + memcpy(old, hash->buffer, bs); - _sha256_final(hash); - sprintf(out, "%x%x%x%x%x%x%x%x",hash->h0,hash->h1,hash->h2,hash->h3,hash->h4,hash->h5,hash->h6,hash->h7); + _sha256_final(hash); + sprintf(out, "%x%x%x%x%x%x%x%x",hash->h0,hash->h1,hash->h2,hash->h3,hash->h4,hash->h5,hash->h6,hash->h7); - memcpy(hash, &old_hash, sizeof * hash); - memcpy(hash->buffer, old, bs); + memcpy(hash, &old_hash, sizeof * hash); + memcpy(hash->buffer, old, bs); } void sha224_final(struct sha256_hash* hash, char* out){ - uint8_t old[bs]; - struct sha256_hash old_hash; - memcpy(&old_hash, hash, sizeof * hash); - memcpy(old, hash->buffer, bs); + uint8_t old[bs]; + struct sha256_hash old_hash; + memcpy(&old_hash, hash, sizeof * hash); + memcpy(old, hash->buffer, bs); - _sha256_final(hash); - sprintf(out, "%x%x%x%x%x%x%x",hash->h0,hash->h1,hash->h2,hash->h3,hash->h4,hash->h5,hash->h6); + _sha256_final(hash); + sprintf(out, "%x%x%x%x%x%x%x",hash->h0,hash->h1,hash->h2,hash->h3,hash->h4,hash->h5,hash->h6); - memcpy(hash, &old_hash, sizeof * hash); - memcpy(hash->buffer, old, bs); + memcpy(hash, &old_hash, sizeof * hash); + memcpy(hash->buffer, old, bs); } void sha256(uint8_t* in, size_t len, char* out){ - struct sha256_hash a = sha256_init(); - sha256_update(in, len, &a); - sha256_final(&a, out); - free(a.buffer); + struct sha256_hash a = sha256_init(); + sha256_update(in, len, &a); + sha256_final(&a, out); + free(a.buffer); } void sha224(uint8_t* in, size_t len, char* out){ - struct sha256_hash a = sha224_init(); - sha224_update(in, len, &a); - sha224_final(&a, out); - free(a.buffer); + struct sha256_hash a = sha224_init(); + sha224_update(in, len, &a); + sha224_final(&a, out); + free(a.buffer); } //common_hash_clone(sha256); @@ -203,7 +203,7 @@ lua_common_hash_clone_oargs(sha256, sha256, l_sha256_init(L), { *b = *a; b->buffer = old; memcpy(b->buffer, a->buffer, bs * sizeof * b->buffer); -}); + }); lua_common_hash_init_l(sha256, sha256); lua_common_hash_update(sha256, sha256); @@ -221,7 +221,7 @@ int l_sha256(lua_State* L){ if(lua_gettop(L) == 0) return l_sha256_init(L); size_t len = 0; uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - + char digest[256]; sha256(a, len, digest); @@ -237,7 +237,7 @@ lua_common_hash_clone_oargs(sha224, sha224, l_sha224_init(L), { *b = *a; b->buffer = old; memcpy(b->buffer, a->buffer, bs * sizeof * b->buffer); -}); + }); lua_common_hash_init_l(sha224, sha224); lua_common_hash_update(sha224, sha224); @@ -255,7 +255,7 @@ int l_sha224(lua_State* L){ if(lua_gettop(L) == 0) return l_sha224_init(L); size_t len = 0; uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - + char digest[224]; sha224(a, len, digest); |