diff options
Diffstat (limited to 'openssl/crypto/sha/sha256.c')
-rw-r--r-- | openssl/crypto/sha/sha256.c | 583 |
1 files changed, 344 insertions, 239 deletions
diff --git a/openssl/crypto/sha/sha256.c b/openssl/crypto/sha/sha256.c index 4eae07484..72a115936 100644 --- a/openssl/crypto/sha/sha256.c +++ b/openssl/crypto/sha/sha256.c @@ -7,73 +7,88 @@ #include <openssl/opensslconf.h> #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA256) -#include <stdlib.h> -#include <string.h> +# include <stdlib.h> +# include <string.h> -#include <openssl/crypto.h> -#include <openssl/sha.h> -#include <openssl/opensslv.h> +# include <openssl/crypto.h> +# include <openssl/sha.h> +# include <openssl/opensslv.h> -const char SHA256_version[]="SHA-256" OPENSSL_VERSION_PTEXT; +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; - } +{ + 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; - } +{ + 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); - } +{ + 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); - } +{ + 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); } +{ + return SHA256_Update(c, data, len); +} -#define DATA_ORDER_IS_BIG_ENDIAN +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 +# 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 @@ -82,201 +97,291 @@ int SHA224_Final (unsigned char *md, SHA256_CTX *c) * 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 +# 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); +# endif +void sha256_block_data_order(SHA256_CTX *ctx, const void *in, size_t num); -#include "md32_common.h" +# include "md32_common.h" -#ifndef SHA256_ASM +# 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 }; + 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; - - } +# 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 */ +# 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 */ |