diff options
Diffstat (limited to 'thirdparty/openssl/crypto/sha/sha256.c')
-rw-r--r-- | thirdparty/openssl/crypto/sha/sha256.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/thirdparty/openssl/crypto/sha/sha256.c b/thirdparty/openssl/crypto/sha/sha256.c deleted file mode 100644 index 72a1159369..0000000000 --- a/thirdparty/openssl/crypto/sha/sha256.c +++ /dev/null @@ -1,387 +0,0 @@ -/* crypto/sha/sha256.c */ -/* ==================================================================== - * Copyright (c) 2004 The OpenSSL Project. All rights reserved - * according to the OpenSSL license [found in ../../LICENSE]. - * ==================================================================== - */ -#include <openssl/opensslconf.h> -#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA256) - -# include <stdlib.h> -# include <string.h> - -# include <openssl/crypto.h> -# include <openssl/sha.h> -# include <openssl/opensslv.h> - -const char SHA256_version[] = "SHA-256" OPENSSL_VERSION_PTEXT; - -fips_md_init_ctx(SHA224, SHA256) -{ - memset(c, 0, sizeof(*c)); - c->h[0] = 0xc1059ed8UL; - c->h[1] = 0x367cd507UL; - c->h[2] = 0x3070dd17UL; - c->h[3] = 0xf70e5939UL; - c->h[4] = 0xffc00b31UL; - c->h[5] = 0x68581511UL; - c->h[6] = 0x64f98fa7UL; - c->h[7] = 0xbefa4fa4UL; - c->md_len = SHA224_DIGEST_LENGTH; - return 1; -} - -fips_md_init(SHA256) -{ - memset(c, 0, sizeof(*c)); - c->h[0] = 0x6a09e667UL; - c->h[1] = 0xbb67ae85UL; - c->h[2] = 0x3c6ef372UL; - c->h[3] = 0xa54ff53aUL; - c->h[4] = 0x510e527fUL; - c->h[5] = 0x9b05688cUL; - c->h[6] = 0x1f83d9abUL; - c->h[7] = 0x5be0cd19UL; - c->md_len = SHA256_DIGEST_LENGTH; - return 1; -} - -unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md) -{ - SHA256_CTX c; - static unsigned char m[SHA224_DIGEST_LENGTH]; - - if (md == NULL) - md = m; - SHA224_Init(&c); - SHA256_Update(&c, d, n); - SHA256_Final(md, &c); - OPENSSL_cleanse(&c, sizeof(c)); - return (md); -} - -unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md) -{ - SHA256_CTX c; - static unsigned char m[SHA256_DIGEST_LENGTH]; - - if (md == NULL) - md = m; - SHA256_Init(&c); - SHA256_Update(&c, d, n); - SHA256_Final(md, &c); - OPENSSL_cleanse(&c, sizeof(c)); - return (md); -} - -int SHA224_Update(SHA256_CTX *c, const void *data, size_t len) -{ - return SHA256_Update(c, data, len); -} - -int SHA224_Final(unsigned char *md, SHA256_CTX *c) -{ - return SHA256_Final(md, c); -} - -# define DATA_ORDER_IS_BIG_ENDIAN - -# define HASH_LONG SHA_LONG -# define HASH_CTX SHA256_CTX -# define HASH_CBLOCK SHA_CBLOCK -/* - * Note that FIPS180-2 discusses "Truncation of the Hash Function Output." - * default: case below covers for it. It's not clear however if it's - * permitted to truncate to amount of bytes not divisible by 4. I bet not, - * but if it is, then default: case shall be extended. For reference. - * Idea behind separate cases for pre-defined lenghts is to let the - * compiler decide if it's appropriate to unroll small loops. - */ -# define HASH_MAKE_STRING(c,s) do { \ - unsigned long ll; \ - unsigned int nn; \ - switch ((c)->md_len) \ - { case SHA224_DIGEST_LENGTH: \ - for (nn=0;nn<SHA224_DIGEST_LENGTH/4;nn++) \ - { ll=(c)->h[nn]; (void)HOST_l2c(ll,(s)); } \ - break; \ - case SHA256_DIGEST_LENGTH: \ - for (nn=0;nn<SHA256_DIGEST_LENGTH/4;nn++) \ - { ll=(c)->h[nn]; (void)HOST_l2c(ll,(s)); } \ - break; \ - default: \ - if ((c)->md_len > SHA256_DIGEST_LENGTH) \ - return 0; \ - for (nn=0;nn<(c)->md_len/4;nn++) \ - { ll=(c)->h[nn]; (void)HOST_l2c(ll,(s)); } \ - break; \ - } \ - } while (0) - -# define HASH_UPDATE SHA256_Update -# define HASH_TRANSFORM SHA256_Transform -# define HASH_FINAL SHA256_Final -# define HASH_BLOCK_DATA_ORDER sha256_block_data_order -# ifndef SHA256_ASM -static -# endif -void sha256_block_data_order(SHA256_CTX *ctx, const void *in, size_t num); - -# include "md32_common.h" - -# ifndef SHA256_ASM -static const SHA_LONG K256[64] = { - 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, - 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, - 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL, - 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL, - 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL, - 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, - 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, - 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL, - 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL, - 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL, - 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, - 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, - 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL, - 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL, - 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL, - 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL -}; - -/* - * FIPS specification refers to right rotations, while our ROTATE macro - * is left one. This is why you might notice that rotation coefficients - * differ from those observed in FIPS document by 32-N... - */ -# define Sigma0(x) (ROTATE((x),30) ^ ROTATE((x),19) ^ ROTATE((x),10)) -# define Sigma1(x) (ROTATE((x),26) ^ ROTATE((x),21) ^ ROTATE((x),7)) -# define sigma0(x) (ROTATE((x),25) ^ ROTATE((x),14) ^ ((x)>>3)) -# define sigma1(x) (ROTATE((x),15) ^ ROTATE((x),13) ^ ((x)>>10)) - -# define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) -# define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) - -# ifdef OPENSSL_SMALL_FOOTPRINT - -static void sha256_block_data_order(SHA256_CTX *ctx, const void *in, - size_t num) -{ - unsigned MD32_REG_T a, b, c, d, e, f, g, h, s0, s1, T1, T2; - SHA_LONG X[16], l; - int i; - const unsigned char *data = in; - - while (num--) { - - a = ctx->h[0]; - b = ctx->h[1]; - c = ctx->h[2]; - d = ctx->h[3]; - e = ctx->h[4]; - f = ctx->h[5]; - g = ctx->h[6]; - h = ctx->h[7]; - - for (i = 0; i < 16; i++) { - HOST_c2l(data, l); - T1 = X[i] = l; - T1 += h + Sigma1(e) + Ch(e, f, g) + K256[i]; - T2 = Sigma0(a) + Maj(a, b, c); - h = g; - g = f; - f = e; - e = d + T1; - d = c; - c = b; - b = a; - a = T1 + T2; - } - - for (; i < 64; i++) { - s0 = X[(i + 1) & 0x0f]; - s0 = sigma0(s0); - s1 = X[(i + 14) & 0x0f]; - s1 = sigma1(s1); - - T1 = X[i & 0xf] += s0 + s1 + X[(i + 9) & 0xf]; - T1 += h + Sigma1(e) + Ch(e, f, g) + K256[i]; - T2 = Sigma0(a) + Maj(a, b, c); - h = g; - g = f; - f = e; - e = d + T1; - d = c; - c = b; - b = a; - a = T1 + T2; - } - - ctx->h[0] += a; - ctx->h[1] += b; - ctx->h[2] += c; - ctx->h[3] += d; - ctx->h[4] += e; - ctx->h[5] += f; - ctx->h[6] += g; - ctx->h[7] += h; - - } -} - -# else - -# define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \ - T1 += h + Sigma1(e) + Ch(e,f,g) + K256[i]; \ - h = Sigma0(a) + Maj(a,b,c); \ - d += T1; h += T1; } while (0) - -# define ROUND_16_63(i,a,b,c,d,e,f,g,h,X) do { \ - s0 = X[(i+1)&0x0f]; s0 = sigma0(s0); \ - s1 = X[(i+14)&0x0f]; s1 = sigma1(s1); \ - T1 = X[(i)&0x0f] += s0 + s1 + X[(i+9)&0x0f]; \ - ROUND_00_15(i,a,b,c,d,e,f,g,h); } while (0) - -static void sha256_block_data_order(SHA256_CTX *ctx, const void *in, - size_t num) -{ - unsigned MD32_REG_T a, b, c, d, e, f, g, h, s0, s1, T1; - SHA_LONG X[16]; - int i; - const unsigned char *data = in; - const union { - long one; - char little; - } is_endian = { - 1 - }; - - while (num--) { - - a = ctx->h[0]; - b = ctx->h[1]; - c = ctx->h[2]; - d = ctx->h[3]; - e = ctx->h[4]; - f = ctx->h[5]; - g = ctx->h[6]; - h = ctx->h[7]; - - if (!is_endian.little && sizeof(SHA_LONG) == 4 - && ((size_t)in % 4) == 0) { - const SHA_LONG *W = (const SHA_LONG *)data; - - T1 = X[0] = W[0]; - ROUND_00_15(0, a, b, c, d, e, f, g, h); - T1 = X[1] = W[1]; - ROUND_00_15(1, h, a, b, c, d, e, f, g); - T1 = X[2] = W[2]; - ROUND_00_15(2, g, h, a, b, c, d, e, f); - T1 = X[3] = W[3]; - ROUND_00_15(3, f, g, h, a, b, c, d, e); - T1 = X[4] = W[4]; - ROUND_00_15(4, e, f, g, h, a, b, c, d); - T1 = X[5] = W[5]; - ROUND_00_15(5, d, e, f, g, h, a, b, c); - T1 = X[6] = W[6]; - ROUND_00_15(6, c, d, e, f, g, h, a, b); - T1 = X[7] = W[7]; - ROUND_00_15(7, b, c, d, e, f, g, h, a); - T1 = X[8] = W[8]; - ROUND_00_15(8, a, b, c, d, e, f, g, h); - T1 = X[9] = W[9]; - ROUND_00_15(9, h, a, b, c, d, e, f, g); - T1 = X[10] = W[10]; - ROUND_00_15(10, g, h, a, b, c, d, e, f); - T1 = X[11] = W[11]; - ROUND_00_15(11, f, g, h, a, b, c, d, e); - T1 = X[12] = W[12]; - ROUND_00_15(12, e, f, g, h, a, b, c, d); - T1 = X[13] = W[13]; - ROUND_00_15(13, d, e, f, g, h, a, b, c); - T1 = X[14] = W[14]; - ROUND_00_15(14, c, d, e, f, g, h, a, b); - T1 = X[15] = W[15]; - ROUND_00_15(15, b, c, d, e, f, g, h, a); - - data += SHA256_CBLOCK; - } else { - SHA_LONG l; - - HOST_c2l(data, l); - T1 = X[0] = l; - ROUND_00_15(0, a, b, c, d, e, f, g, h); - HOST_c2l(data, l); - T1 = X[1] = l; - ROUND_00_15(1, h, a, b, c, d, e, f, g); - HOST_c2l(data, l); - T1 = X[2] = l; - ROUND_00_15(2, g, h, a, b, c, d, e, f); - HOST_c2l(data, l); - T1 = X[3] = l; - ROUND_00_15(3, f, g, h, a, b, c, d, e); - HOST_c2l(data, l); - T1 = X[4] = l; - ROUND_00_15(4, e, f, g, h, a, b, c, d); - HOST_c2l(data, l); - T1 = X[5] = l; - ROUND_00_15(5, d, e, f, g, h, a, b, c); - HOST_c2l(data, l); - T1 = X[6] = l; - ROUND_00_15(6, c, d, e, f, g, h, a, b); - HOST_c2l(data, l); - T1 = X[7] = l; - ROUND_00_15(7, b, c, d, e, f, g, h, a); - HOST_c2l(data, l); - T1 = X[8] = l; - ROUND_00_15(8, a, b, c, d, e, f, g, h); - HOST_c2l(data, l); - T1 = X[9] = l; - ROUND_00_15(9, h, a, b, c, d, e, f, g); - HOST_c2l(data, l); - T1 = X[10] = l; - ROUND_00_15(10, g, h, a, b, c, d, e, f); - HOST_c2l(data, l); - T1 = X[11] = l; - ROUND_00_15(11, f, g, h, a, b, c, d, e); - HOST_c2l(data, l); - T1 = X[12] = l; - ROUND_00_15(12, e, f, g, h, a, b, c, d); - HOST_c2l(data, l); - T1 = X[13] = l; - ROUND_00_15(13, d, e, f, g, h, a, b, c); - HOST_c2l(data, l); - T1 = X[14] = l; - ROUND_00_15(14, c, d, e, f, g, h, a, b); - HOST_c2l(data, l); - T1 = X[15] = l; - ROUND_00_15(15, b, c, d, e, f, g, h, a); - } - - for (i = 16; i < 64; i += 8) { - ROUND_16_63(i + 0, a, b, c, d, e, f, g, h, X); - ROUND_16_63(i + 1, h, a, b, c, d, e, f, g, X); - ROUND_16_63(i + 2, g, h, a, b, c, d, e, f, X); - ROUND_16_63(i + 3, f, g, h, a, b, c, d, e, X); - ROUND_16_63(i + 4, e, f, g, h, a, b, c, d, X); - ROUND_16_63(i + 5, d, e, f, g, h, a, b, c, X); - ROUND_16_63(i + 6, c, d, e, f, g, h, a, b, X); - ROUND_16_63(i + 7, b, c, d, e, f, g, h, a, X); - } - - ctx->h[0] += a; - ctx->h[1] += b; - ctx->h[2] += c; - ctx->h[3] += d; - ctx->h[4] += e; - ctx->h[5] += f; - ctx->h[6] += g; - ctx->h[7] += h; - - } -} - -# endif -# endif /* SHA256_ASM */ - -#endif /* OPENSSL_NO_SHA256 */ |