diff options
Diffstat (limited to 'third_party/git/sha256')
| -rw-r--r-- | third_party/git/sha256/block/sha256.c | 196 | ||||
| -rw-r--r-- | third_party/git/sha256/block/sha256.h | 24 | ||||
| -rw-r--r-- | third_party/git/sha256/gcrypt.h | 30 |
3 files changed, 0 insertions, 250 deletions
diff --git a/third_party/git/sha256/block/sha256.c b/third_party/git/sha256/block/sha256.c deleted file mode 100644 index 37850b4e52..0000000000 --- a/third_party/git/sha256/block/sha256.c +++ /dev/null @@ -1,196 +0,0 @@ -#include "git-compat-util.h" -#include "./sha256.h" - -#undef RND -#undef BLKSIZE - -#define BLKSIZE blk_SHA256_BLKSIZE - -void blk_SHA256_Init(blk_SHA256_CTX *ctx) -{ - ctx->offset = 0; - ctx->size = 0; - ctx->state[0] = 0x6a09e667ul; - ctx->state[1] = 0xbb67ae85ul; - ctx->state[2] = 0x3c6ef372ul; - ctx->state[3] = 0xa54ff53aul; - ctx->state[4] = 0x510e527ful; - ctx->state[5] = 0x9b05688cul; - ctx->state[6] = 0x1f83d9abul; - ctx->state[7] = 0x5be0cd19ul; -} - -static inline uint32_t ror(uint32_t x, unsigned n) -{ - return (x >> n) | (x << (32 - n)); -} - -static inline uint32_t ch(uint32_t x, uint32_t y, uint32_t z) -{ - return z ^ (x & (y ^ z)); -} - -static inline uint32_t maj(uint32_t x, uint32_t y, uint32_t z) -{ - return ((x | y) & z) | (x & y); -} - -static inline uint32_t sigma0(uint32_t x) -{ - return ror(x, 2) ^ ror(x, 13) ^ ror(x, 22); -} - -static inline uint32_t sigma1(uint32_t x) -{ - return ror(x, 6) ^ ror(x, 11) ^ ror(x, 25); -} - -static inline uint32_t gamma0(uint32_t x) -{ - return ror(x, 7) ^ ror(x, 18) ^ (x >> 3); -} - -static inline uint32_t gamma1(uint32_t x) -{ - return ror(x, 17) ^ ror(x, 19) ^ (x >> 10); -} - -static void blk_SHA256_Transform(blk_SHA256_CTX *ctx, const unsigned char *buf) -{ - - uint32_t S[8], W[64], t0, t1; - int i; - - /* copy state into S */ - for (i = 0; i < 8; i++) - S[i] = ctx->state[i]; - - /* copy the state into 512-bits into W[0..15] */ - for (i = 0; i < 16; i++, buf += sizeof(uint32_t)) - W[i] = get_be32(buf); - - /* fill W[16..63] */ - for (i = 16; i < 64; i++) - W[i] = gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]; - -#define RND(a,b,c,d,e,f,g,h,i,ki) \ - t0 = h + sigma1(e) + ch(e, f, g) + ki + W[i]; \ - t1 = sigma0(a) + maj(a, b, c); \ - d += t0; \ - h = t0 + t1; - - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,0x428a2f98); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,0x71374491); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,0xb5c0fbcf); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,0xe9b5dba5); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,0x3956c25b); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,0x59f111f1); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,0x923f82a4); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,0xab1c5ed5); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,0xd807aa98); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,0x12835b01); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,0x243185be); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,0x550c7dc3); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,0x72be5d74); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,0x80deb1fe); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,0x9bdc06a7); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,0xc19bf174); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,0xe49b69c1); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,0xefbe4786); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,0x0fc19dc6); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,0x240ca1cc); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,0x2de92c6f); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,0x4a7484aa); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,0x5cb0a9dc); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,0x76f988da); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,0x983e5152); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,0xa831c66d); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,0xb00327c8); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,0xbf597fc7); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,0xc6e00bf3); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,0xd5a79147); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,0x06ca6351); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,0x14292967); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,0x27b70a85); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,0x2e1b2138); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,0x4d2c6dfc); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,0x53380d13); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,0x650a7354); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,0x766a0abb); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,0x81c2c92e); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,0x92722c85); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,0xa2bfe8a1); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,0xa81a664b); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,0xc24b8b70); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,0xc76c51a3); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,0xd192e819); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,0xd6990624); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,0xf40e3585); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,0x106aa070); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,0x19a4c116); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,0x1e376c08); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,0x2748774c); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,0x34b0bcb5); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,0x391c0cb3); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,0x4ed8aa4a); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,0x5b9cca4f); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,0x682e6ff3); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,0x748f82ee); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,0x78a5636f); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,0x84c87814); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,0x8cc70208); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,0x90befffa); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,0xa4506ceb); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2); - - for (i = 0; i < 8; i++) - ctx->state[i] += S[i]; -} - -void blk_SHA256_Update(blk_SHA256_CTX *ctx, const void *data, size_t len) -{ - unsigned int len_buf = ctx->size & 63; - - ctx->size += len; - - /* Read the data into buf and process blocks as they get full */ - if (len_buf) { - unsigned int left = 64 - len_buf; - if (len < left) - left = len; - memcpy(len_buf + ctx->buf, data, left); - len_buf = (len_buf + left) & 63; - len -= left; - data = ((const char *)data + left); - if (len_buf) - return; - blk_SHA256_Transform(ctx, ctx->buf); - } - while (len >= 64) { - blk_SHA256_Transform(ctx, data); - data = ((const char *)data + 64); - len -= 64; - } - if (len) - memcpy(ctx->buf, data, len); -} - -void blk_SHA256_Final(unsigned char *digest, blk_SHA256_CTX *ctx) -{ - static const unsigned char pad[64] = { 0x80 }; - unsigned int padlen[2]; - int i; - - /* Pad with a binary 1 (ie 0x80), then zeroes, then length */ - padlen[0] = htonl((uint32_t)(ctx->size >> 29)); - padlen[1] = htonl((uint32_t)(ctx->size << 3)); - - i = ctx->size & 63; - blk_SHA256_Update(ctx, pad, 1 + (63 & (55 - i))); - blk_SHA256_Update(ctx, padlen, 8); - - /* copy output */ - for (i = 0; i < 8; i++, digest += sizeof(uint32_t)) - put_be32(digest, ctx->state[i]); -} diff --git a/third_party/git/sha256/block/sha256.h b/third_party/git/sha256/block/sha256.h deleted file mode 100644 index 5099d6421d..0000000000 --- a/third_party/git/sha256/block/sha256.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef SHA256_BLOCK_SHA256_H -#define SHA256_BLOCK_SHA256_H - -#define blk_SHA256_BLKSIZE 64 - -struct blk_SHA256_CTX { - uint32_t state[8]; - uint64_t size; - uint32_t offset; - uint8_t buf[blk_SHA256_BLKSIZE]; -}; - -typedef struct blk_SHA256_CTX blk_SHA256_CTX; - -void blk_SHA256_Init(blk_SHA256_CTX *ctx); -void blk_SHA256_Update(blk_SHA256_CTX *ctx, const void *data, size_t len); -void blk_SHA256_Final(unsigned char *digest, blk_SHA256_CTX *ctx); - -#define platform_SHA256_CTX blk_SHA256_CTX -#define platform_SHA256_Init blk_SHA256_Init -#define platform_SHA256_Update blk_SHA256_Update -#define platform_SHA256_Final blk_SHA256_Final - -#endif diff --git a/third_party/git/sha256/gcrypt.h b/third_party/git/sha256/gcrypt.h deleted file mode 100644 index 09bd8bb200..0000000000 --- a/third_party/git/sha256/gcrypt.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef SHA256_GCRYPT_H -#define SHA256_GCRYPT_H - -#include <gcrypt.h> - -#define SHA256_DIGEST_SIZE 32 - -typedef gcry_md_hd_t gcrypt_SHA256_CTX; - -inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx) -{ - gcry_md_open(ctx, GCRY_MD_SHA256, 0); -} - -inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len) -{ - gcry_md_write(*ctx, data, len); -} - -inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx) -{ - memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE); -} - -#define platform_SHA256_CTX gcrypt_SHA256_CTX -#define platform_SHA256_Init gcrypt_SHA256_Init -#define platform_SHA256_Update gcrypt_SHA256_Update -#define platform_SHA256_Final gcrypt_SHA256_Final - -#endif |