crypto/sha/sha256.c - platform/external/openssl - Git at Google

 /* 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 */
	/* 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 */