diff options
Diffstat (limited to 'crypto/sha/sha256.c')
| -rw-r--r-- | crypto/sha/sha256.c | 64 |
1 files changed, 31 insertions, 33 deletions
diff --git a/crypto/sha/sha256.c b/crypto/sha/sha256.c index 92d8dd84f2..eec0cadf98 100644 --- a/crypto/sha/sha256.c +++ b/crypto/sha/sha256.c @@ -5,14 +5,13 @@ * ==================================================================== */ #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; @@ -84,11 +83,12 @@ int SHA224_Final(unsigned char *md, SHA256_CTX *c) return SHA256_Final(md, c); } -# define DATA_ORDER_IS_BIG_ENDIAN +#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 @@ -97,7 +97,7 @@ 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 { \ +#define HASH_MAKE_STRING(c,s) do { \ unsigned long ll; \ unsigned int nn; \ switch ((c)->md_len) \ @@ -118,18 +118,18 @@ int SHA224_Final(unsigned char *md, SHA256_CTX *c) } \ } 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_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 +#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, @@ -154,15 +154,15 @@ static const SHA_LONG K256[64] = { * 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 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))) +# define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) +# define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) -# ifdef OPENSSL_SMALL_FOOTPRINT +# ifdef OPENSSL_SMALL_FOOTPRINT static void sha256_block_data_order(SHA256_CTX *ctx, const void *in, size_t num) @@ -229,14 +229,14 @@ static void sha256_block_data_order(SHA256_CTX *ctx, const void *in, } } -# else +# else -# define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \ +# 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 { \ +# 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]; \ @@ -381,7 +381,5 @@ static void sha256_block_data_order(SHA256_CTX *ctx, const void *in, } } -# endif -# endif /* SHA256_ASM */ - -#endif /* OPENSSL_NO_SHA256 */ +# endif +#endif /* SHA256_ASM */ |