[patch 1/2] Add implementation of SHA256/384/512

This patch adds implementation of SHA2 to pgcrypto.
New hashes: SHA256, SHA384, SHA512.

Code from OpenBSD.

Index: pgsql/contrib/pgcrypto/Makefile
===================================================================
*** pgsql.orig/contrib/pgcrypto/Makefile
--- pgsql/contrib/pgcrypto/Makefile
***************
*** 6,19 ****
INT_CFLAGS = -DRAND_SILLY
#INT_CFLAGS = -DRAND_DEV=\"/dev/urandom\"

! INT_SRCS = md5.c sha1.c internal.c blf.c rijndael.c

OSSL_CFLAGS = -DRAND_OPENSSL
OSSL_SRCS = openssl.c
OSSL_TESTS = des 3des cast5

CF_SRCS = $(if $(subst no,,$(with_openssl)), $(OSSL_SRCS), $(INT_SRCS))
! CF_TESTS = $(if $(subst no,,$(with_openssl)), $(OSSL_TESTS))
CF_CFLAGS = $(if $(subst no,,$(with_openssl)), $(OSSL_CFLAGS), $(INT_CFLAGS))

PG_CPPFLAGS = $(CF_CFLAGS)
--- 6,20 ----
INT_CFLAGS = -DRAND_SILLY
#INT_CFLAGS = -DRAND_DEV=\"/dev/urandom\"

! INT_SRCS = md5.c sha1.c sha2.c internal.c blf.c rijndael.c
! INT_TESTS = sha2

OSSL_CFLAGS = -DRAND_OPENSSL
OSSL_SRCS = openssl.c
OSSL_TESTS = des 3des cast5

CF_SRCS = $(if $(subst no,,$(with_openssl)), $(OSSL_SRCS), $(INT_SRCS))
! CF_TESTS = $(if $(subst no,,$(with_openssl)), $(OSSL_TESTS), $(INT_TESTS))
CF_CFLAGS = $(if $(subst no,,$(with_openssl)), $(OSSL_CFLAGS), $(INT_CFLAGS))

PG_CPPFLAGS = $(CF_CFLAGS)
Index: pgsql/contrib/pgcrypto/internal.c
===================================================================
*** pgsql.orig/contrib/pgcrypto/internal.c
--- pgsql/contrib/pgcrypto/internal.c
***************
*** 36,41 ****
--- 36,42 ----

#include "md5.h"
#include "sha1.h"
+ #include "sha2.h"
#include "blf.h"
#include "rijndael.h"

***************
*** 56,61 ****
--- 57,65 ----

static void init_md5(PX_MD * h);
static void init_sha1(PX_MD * h);
+ static void init_sha256(PX_MD * h);
+ static void init_sha384(PX_MD * h);
+ static void init_sha512(PX_MD * h);

struct int_digest
{
*************** static const struct int_digest
*** 67,72 ****
--- 71,79 ----
int_digest_list[] = {
{ "md5", init_md5 },
{ "sha1", init_sha1 },
+ { "sha256", init_sha256 },
+ { "sha384", init_sha384 },
+ { "sha512", init_sha512 },
{ NULL, NULL }
};

*************** int_sha1_free(PX_MD * h)
*** 164,169 ****
--- 171,316 ----
px_free(h);
}

+ /* SHA256 */
+
+ static unsigned
+ int_sha256_len(PX_MD * h)
+ {
+ return SHA256_DIGEST_LENGTH;
+ }
+
+ static unsigned
+ int_sha256_block_len(PX_MD * h)
+ {
+ return SHA256_BLOCK_LENGTH;
+ }
+
+ static void
+ int_sha256_update(PX_MD * h, const uint8 *data, unsigned dlen)
+ {
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ SHA256_Update(ctx, data, dlen);
+ }
+
+ static void
+ int_sha256_reset(PX_MD * h)
+ {
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ SHA256_Init(ctx);
+ }
+
+ static void
+ int_sha256_finish(PX_MD * h, uint8 *dst)
+ {
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ SHA256_Final(dst, ctx);
+ }
+
+ static void
+ int_sha256_free(PX_MD * h)
+ {
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ px_free(ctx);
+ px_free(h);
+ }
+ /* SHA384 */
+
+ static unsigned
+ int_sha384_len(PX_MD * h)
+ {
+ return SHA384_DIGEST_LENGTH;
+ }
+
+ static unsigned
+ int_sha384_block_len(PX_MD * h)
+ {
+ return SHA384_BLOCK_LENGTH;
+ }
+
+ static void
+ int_sha384_update(PX_MD * h, const uint8 *data, unsigned dlen)
+ {
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ SHA384_Update(ctx, data, dlen);
+ }
+
+ static void
+ int_sha384_reset(PX_MD * h)
+ {
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ SHA384_Init(ctx);
+ }
+
+ static void
+ int_sha384_finish(PX_MD * h, uint8 *dst)
+ {
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ SHA384_Final(dst, ctx);
+ }
+
+ static void
+ int_sha384_free(PX_MD * h)
+ {
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ px_free(ctx);
+ px_free(h);
+ }
+
+ /* SHA512 */
+
+ static unsigned
+ int_sha512_len(PX_MD * h)
+ {
+ return SHA512_DIGEST_LENGTH;
+ }
+
+ static unsigned
+ int_sha512_block_len(PX_MD * h)
+ {
+ return SHA512_BLOCK_LENGTH;
+ }
+
+ static void
+ int_sha512_update(PX_MD * h, const uint8 *data, unsigned dlen)
+ {
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ SHA512_Update(ctx, data, dlen);
+ }
+
+ static void
+ int_sha512_reset(PX_MD * h)
+ {
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ SHA512_Init(ctx);
+ }
+
+ static void
+ int_sha512_finish(PX_MD * h, uint8 *dst)
+ {
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ SHA512_Final(dst, ctx);
+ }
+
+ static void
+ int_sha512_free(PX_MD * h)
+ {
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ px_free(ctx);
+ px_free(h);
+ }
+
/* init functions */

static void
*************** init_sha1(PX_MD * md)
*** 204,209 ****
--- 351,413 ----
md->reset(md);
}

+ static void
+ init_sha256(PX_MD * md)
+ {
+ SHA256_CTX *ctx;
+
+ ctx = px_alloc(sizeof(*ctx));
+
+ md->p.ptr = ctx;
+
+ md->result_size = int_sha256_len;
+ md->block_size = int_sha256_block_len;
+ md->reset = int_sha256_reset;
+ md->update = int_sha256_update;
+ md->finish = int_sha256_finish;
+ md->free = int_sha256_free;
+
+ md->reset(md);
+ }
+
+ static void
+ init_sha384(PX_MD * md)
+ {
+ SHA384_CTX *ctx;
+
+ ctx = px_alloc(sizeof(*ctx));
+
+ md->p.ptr = ctx;
+
+ md->result_size = int_sha384_len;
+ md->block_size = int_sha384_block_len;
+ md->reset = int_sha384_reset;
+ md->update = int_sha384_update;
+ md->finish = int_sha384_finish;
+ md->free = int_sha384_free;
+
+ md->reset(md);
+ }
+
+ static void
+ init_sha512(PX_MD * md)
+ {
+ SHA512_CTX *ctx;
+
+ ctx = px_alloc(sizeof(*ctx));
+
+ md->p.ptr = ctx;
+
+ md->result_size = int_sha512_len;
+ md->block_size = int_sha512_block_len;
+ md->reset = int_sha512_reset;
+ md->update = int_sha512_update;
+ md->finish = int_sha512_finish;
+ md->free = int_sha512_free;
+
+ md->reset(md);
+ }
+
/*
* ciphers generally
*/
Index: pgsql/contrib/pgcrypto/sha2.c
===================================================================
*** /dev/null
--- pgsql/contrib/pgcrypto/sha2.c
***************
*** 0 ****
--- 1,895 ----
+ /* $PostgreSQL$ */
+ /* $OpenBSD: sha2.c,v 1.6 2004/05/03 02:57:36 millert Exp $ */
+
+ /*
+ * FILE: sha2.c
+ * AUTHOR: Aaron D. Gifford <me(at)aarongifford(dot)com>
+ *
+ * Copyright (c) 2000-2001, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $From: sha2.c,v 1.1 2001/11/08 00:01:51 adg Exp adg $
+ */
+
+ #include <postgres.h>
+
+ #include "sha2.h"
+
+ #undef bcopy
+ #undef bzero
+ #define bcopy(src, dst, len) memcpy((dst), (src), (len))
+ #define bzero(ptr, len) memset((ptr), 0, (len))
+
+ /*
+ * UNROLLED TRANSFORM LOOP NOTE:
+ * You can define SHA2_UNROLL_TRANSFORM to use the unrolled transform
+ * loop version for the hash transform rounds (defined using macros
+ * later in this file). Either define on the command line, for example:
+ *
+ * cc -DSHA2_UNROLL_TRANSFORM -o sha2 sha2.c sha2prog.c
+ *
+ * or define below:
+ *
+ * #define SHA2_UNROLL_TRANSFORM
+ *
+ */
+
+
+ /*** SHA-256/384/512 Machine Architecture Definitions *****************/
+ /*
+ * BYTE_ORDER NOTE:
+ *
+ * Please make sure that your system defines BYTE_ORDER. If your
+ * architecture is little-endian, make sure it also defines
+ * LITTLE_ENDIAN and that the two (BYTE_ORDER and LITTLE_ENDIAN) are
+ * equivilent.
+ *
+ * If your system does not define the above, then you can do so by
+ * hand like this:
+ *
+ * #define LITTLE_ENDIAN 1234
+ * #define BIG_ENDIAN 4321
+ *
+ * And for little-endian machines, add:
+ *
+ * #define BYTE_ORDER LITTLE_ENDIAN
+ *
+ * Or for big-endian machines:
+ *
+ * #define BYTE_ORDER BIG_ENDIAN
+ *
+ * The FreeBSD machine this was written on defines BYTE_ORDER
+ * appropriately by including <sys/types.h> (which in turn includes
+ * <machine/endian.h> where the appropriate definitions are actually
+ * made).
+ */
+ #if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN)
+ #error Define BYTE_ORDER to be equal to either LITTLE_ENDIAN or BIG_ENDIAN
+ #endif
+
+
+ /*** SHA-256/384/512 Various Length Definitions ***********************/
+ /* NOTE: Most of these are in sha2.h */
+ #define SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)
+ #define SHA384_SHORT_BLOCK_LENGTH (SHA384_BLOCK_LENGTH - 16)
+ #define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16)
+
+
+ /*** ENDIAN REVERSAL MACROS *******************************************/
+ #if BYTE_ORDER == LITTLE_ENDIAN
+ #define REVERSE32(w,x) { \
+ uint32 tmp = (w); \
+ tmp = (tmp >> 16) | (tmp << 16); \
+ (x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
+ }
+ #define REVERSE64(w,x) { \
+ uint64 tmp = (w); \
+ tmp = (tmp >> 32) | (tmp << 32); \
+ tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
+ ((tmp & 0x00ff00ff00ff00ffULL) << 8); \
+ (x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \
+ ((tmp & 0x0000ffff0000ffffULL) << 16); \
+ }
+ #endif /* BYTE_ORDER == LITTLE_ENDIAN */
+
+ /*
+ * Macro for incrementally adding the unsigned 64-bit integer n to the
+ * unsigned 128-bit integer (represented using a two-element array of
+ * 64-bit words):
+ */
+ #define ADDINC128(w,n) { \
+ (w)[0] += (uint64)(n); \
+ if ((w)[0] < (n)) { \
+ (w)[1]++; \
+ } \
+ }
+
+ /*** THE SIX LOGICAL FUNCTIONS ****************************************/
+ /*
+ * Bit shifting and rotation (used by the six SHA-XYZ logical functions:
+ *
+ * NOTE: The naming of R and S appears backwards here (R is a SHIFT and
+ * S is a ROTATION) because the SHA-256/384/512 description document
+ * (see http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf) uses this
+ * same "backwards" definition.
+ */
+ /* Shift-right (used in SHA-256, SHA-384, and SHA-512): */
+ #define R(b,x) ((x) >> (b))
+ /* 32-bit Rotate-right (used in SHA-256): */
+ #define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
+ /* 64-bit Rotate-right (used in SHA-384 and SHA-512): */
+ #define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b))))
+
+ /* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */
+ #define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
+ #define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+
+ /* Four of six logical functions used in SHA-256: */
+ #define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
+ #define Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
+ #define sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
+ #define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
+
+ /* Four of six logical functions used in SHA-384 and SHA-512: */
+ #define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
+ #define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
+ #define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
+ #define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))
+
+ /*** INTERNAL FUNCTION PROTOTYPES *************************************/
+ /* NOTE: These should not be accessed directly from outside this
+ * library -- they are intended for private internal visibility/use
+ * only.
+ */
+ void SHA512_Last(SHA512_CTX *);
+ void SHA256_Transform(SHA256_CTX *, const uint8 *);
+ void SHA512_Transform(SHA512_CTX *, const uint8 *);
+
+
+ /*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
+ /* Hash constant words K for SHA-256: */
+ const static uint32 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
+ };
+
+ /* Initial hash value H for SHA-256: */
+ const static uint32 sha256_initial_hash_value[8] = {
+ 0x6a09e667UL,
+ 0xbb67ae85UL,
+ 0x3c6ef372UL,
+ 0xa54ff53aUL,
+ 0x510e527fUL,
+ 0x9b05688cUL,
+ 0x1f83d9abUL,
+ 0x5be0cd19UL
+ };
+
+ /* Hash constant words K for SHA-384 and SHA-512: */
+ const static uint64 K512[80] = {
+ 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
+ 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
+ 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
+ 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
+ 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
+ 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
+ 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
+ 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
+ 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
+ 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
+ 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
+ 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
+ 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
+ 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
+ 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
+ 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
+ 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
+ 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
+ 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
+ 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
+ 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
+ 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
+ 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
+ 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
+ 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
+ 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
+ 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
+ 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
+ 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
+ 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
+ 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
+ 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
+ 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
+ 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
+ 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
+ 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
+ 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
+ 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
+ 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
+ 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL
+ };
+
+ /* Initial hash value H for SHA-384 */
+ const static uint64 sha384_initial_hash_value[8] = {
+ 0xcbbb9d5dc1059ed8ULL,
+ 0x629a292a367cd507ULL,
+ 0x9159015a3070dd17ULL,
+ 0x152fecd8f70e5939ULL,
+ 0x67332667ffc00b31ULL,
+ 0x8eb44a8768581511ULL,
+ 0xdb0c2e0d64f98fa7ULL,
+ 0x47b5481dbefa4fa4ULL
+ };
+
+ /* Initial hash value H for SHA-512 */
+ const static uint64 sha512_initial_hash_value[8] = {
+ 0x6a09e667f3bcc908ULL,
+ 0xbb67ae8584caa73bULL,
+ 0x3c6ef372fe94f82bULL,
+ 0xa54ff53a5f1d36f1ULL,
+ 0x510e527fade682d1ULL,
+ 0x9b05688c2b3e6c1fULL,
+ 0x1f83d9abfb41bd6bULL,
+ 0x5be0cd19137e2179ULL
+ };
+
+
+ /*** SHA-256: *********************************************************/
+ void
+ SHA256_Init(SHA256_CTX *context)
+ {
+ if (context == NULL)
+ return;
+ bcopy(sha256_initial_hash_value, context->state, SHA256_DIGEST_LENGTH);
+ bzero(context->buffer, SHA256_BLOCK_LENGTH);
+ context->bitcount = 0;
+ }
+
+ #ifdef SHA2_UNROLL_TRANSFORM
+
+ /* Unrolled SHA-256 round macros: */
+
+ #define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) do { \
+ W256[j] = (uint32)data[3] | ((uint32)data[2] << 8) | \
+ ((uint32)data[1] << 16) | ((uint32)data[0] << 24); \
+ data += 4; \
+ T1 = (h) + Sigma1_256((e)) + Ch((e), (f), (g)) + K256[j] + W256[j]; \
+ (d) += T1; \
+ (h) = T1 + Sigma0_256((a)) + Maj((a), (b), (c)); \
+ j++; \
+ } while(0)
+
+ #define ROUND256(a,b,c,d,e,f,g,h) do { \
+ s0 = W256[(j+1)&0x0f]; \
+ s0 = sigma0_256(s0); \
+ s1 = W256[(j+14)&0x0f]; \
+ s1 = sigma1_256(s1); \
+ T1 = (h) + Sigma1_256((e)) + Ch((e), (f), (g)) + K256[j] + \
+ (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0); \
+ (d) += T1; \
+ (h) = T1 + Sigma0_256((a)) + Maj((a), (b), (c)); \
+ j++; \
+ } while(0)
+
+ void
+ SHA256_Transform(SHA256_CTX *context, const uint8 *data)
+ {
+ uint32 a, b, c, d, e, f, g, h, s0, s1;
+ uint32 T1, *W256;
+ int j;
+
+ W256 = (uint32 *)context->buffer;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+ /* Rounds 0 to 15 (unrolled): */
+ ROUND256_0_TO_15(a,b,c,d,e,f,g,h);
+ ROUND256_0_TO_15(h,a,b,c,d,e,f,g);
+ ROUND256_0_TO_15(g,h,a,b,c,d,e,f);
+ ROUND256_0_TO_15(f,g,h,a,b,c,d,e);
+ ROUND256_0_TO_15(e,f,g,h,a,b,c,d);
+ ROUND256_0_TO_15(d,e,f,g,h,a,b,c);
+ ROUND256_0_TO_15(c,d,e,f,g,h,a,b);
+ ROUND256_0_TO_15(b,c,d,e,f,g,h,a);
+ } while (j < 16);
+
+ /* Now for the remaining rounds to 64: */
+ do {
+ ROUND256(a,b,c,d,e,f,g,h);
+ ROUND256(h,a,b,c,d,e,f,g);
+ ROUND256(g,h,a,b,c,d,e,f);
+ ROUND256(f,g,h,a,b,c,d,e);
+ ROUND256(e,f,g,h,a,b,c,d);
+ ROUND256(d,e,f,g,h,a,b,c);
+ ROUND256(c,d,e,f,g,h,a,b);
+ ROUND256(b,c,d,e,f,g,h,a);
+ } while (j < 64);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = 0;
+ }
+
+ #else /* SHA2_UNROLL_TRANSFORM */
+
+ void
+ SHA256_Transform(SHA256_CTX *context, const uint8 *data)
+ {
+ uint32 a, b, c, d, e, f, g, h, s0, s1;
+ uint32 T1, T2, *W256;
+ int j;
+
+ W256 = (uint32 *)context->buffer;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+ W256[j] = (uint32)data[3] | ((uint32)data[2] << 8) |
+ ((uint32)data[1] << 16) | ((uint32)data[0] << 24);
+ data += 4;
+ /* Apply the SHA-256 compression function to update a..h */
+ T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + W256[j];
+ T2 = Sigma0_256(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 16);
+
+ do {
+ /* Part of the message block expansion: */
+ s0 = W256[(j+1)&0x0f];
+ s0 = sigma0_256(s0);
+ s1 = W256[(j+14)&0x0f];
+ s1 = sigma1_256(s1);
+
+ /* Apply the SHA-256 compression function to update a..h */
+ T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] +
+ (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0);
+ T2 = Sigma0_256(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 64);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = T2 = 0;
+ }
+
+ #endif /* SHA2_UNROLL_TRANSFORM */
+
+ void
+ SHA256_Update(SHA256_CTX *context, const uint8 *data, size_t len)
+ {
+ size_t freespace, usedspace;
+
+ /* Calling with no data is valid (we do nothing) */
+ if (len == 0)
+ return;
+
+ usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
+ if (usedspace > 0) {
+ /* Calculate how much free space is available in the buffer */
+ freespace = SHA256_BLOCK_LENGTH - usedspace;
+
+ if (len >= freespace) {
+ /* Fill the buffer completely and process it */
+ bcopy(data, &context->buffer[usedspace], freespace);
+ context->bitcount += freespace << 3;
+ len -= freespace;
+ data += freespace;
+ SHA256_Transform(context, context->buffer);
+ } else {
+ /* The buffer is not yet full */
+ bcopy(data, &context->buffer[usedspace], len);
+ context->bitcount += len << 3;
+ /* Clean up: */
+ usedspace = freespace = 0;
+ return;
+ }
+ }
+ while (len >= SHA256_BLOCK_LENGTH) {
+ /* Process as many complete blocks as we can */
+ SHA256_Transform(context, data);
+ context->bitcount += SHA256_BLOCK_LENGTH << 3;
+ len -= SHA256_BLOCK_LENGTH;
+ data += SHA256_BLOCK_LENGTH;
+ }
+ if (len > 0) {
+ /* There's left-overs, so save 'em */
+ bcopy(data, context->buffer, len);
+ context->bitcount += len << 3;
+ }
+ /* Clean up: */
+ usedspace = freespace = 0;
+ }
+
+ void
+ SHA256_Final(uint8 digest[], SHA256_CTX *context)
+ {
+ uint32 *d = (uint32 *)digest;
+ unsigned int usedspace;
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != NULL) {
+ usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
+ #if BYTE_ORDER == LITTLE_ENDIAN
+ /* Convert FROM host byte order */
+ REVERSE64(context->bitcount,context->bitcount);
+ #endif
+ if (usedspace > 0) {
+ /* Begin padding with a 1 bit: */
+ context->buffer[usedspace++] = 0x80;
+
+ if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
+ /* Set-up for the last transform: */
+ bzero(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
+ } else {
+ if (usedspace < SHA256_BLOCK_LENGTH) {
+ bzero(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
+ }
+ /* Do second-to-last transform: */
+ SHA256_Transform(context, context->buffer);
+
+ /* And set-up for the last transform: */
+ bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+ }
+ } else {
+ /* Set-up for the last transform: */
+ bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+
+ /* Begin padding with a 1 bit: */
+ *context->buffer = 0x80;
+ }
+ /* Set the bit count: */
+ *(uint64 *)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
+
+ /* Final transform: */
+ SHA256_Transform(context, context->buffer);
+
+ #if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < 8; j++) {
+ REVERSE32(context->state[j],context->state[j]);
+ *d++ = context->state[j];
+ }
+ }
+ #else
+ bcopy(context->state, d, SHA256_DIGEST_LENGTH);
+ #endif
+ }
+
+ /* Clean up state data: */
+ bzero(context, sizeof(*context));
+ usedspace = 0;
+ }
+
+
+ /*** SHA-512: *********************************************************/
+ void
+ SHA512_Init(SHA512_CTX *context)
+ {
+ if (context == NULL)
+ return;
+ bcopy(sha512_initial_hash_value, context->state, SHA512_DIGEST_LENGTH);
+ bzero(context->buffer, SHA512_BLOCK_LENGTH);
+ context->bitcount[0] = context->bitcount[1] = 0;
+ }
+
+ #ifdef SHA2_UNROLL_TRANSFORM
+
+ /* Unrolled SHA-512 round macros: */
+
+ #define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) do { \
+ W512[j] = (uint64)data[7] | ((uint64)data[6] << 8) | \
+ ((uint64)data[5] << 16) | ((uint64)data[4] << 24) | \
+ ((uint64)data[3] << 32) | ((uint64)data[2] << 40) | \
+ ((uint64)data[1] << 48) | ((uint64)data[0] << 56); \
+ data += 8; \
+ T1 = (h) + Sigma1_512((e)) + Ch((e), (f), (g)) + K512[j] + W512[j]; \
+ (d) += T1; \
+ (h) = T1 + Sigma0_512((a)) + Maj((a), (b), (c)); \
+ j++; \
+ } while(0)
+
+
+ #define ROUND512(a,b,c,d,e,f,g,h) do { \
+ s0 = W512[(j+1)&0x0f]; \
+ s0 = sigma0_512(s0); \
+ s1 = W512[(j+14)&0x0f]; \
+ s1 = sigma1_512(s1); \
+ T1 = (h) + Sigma1_512((e)) + Ch((e), (f), (g)) + K512[j] + \
+ (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); \
+ (d) += T1; \
+ (h) = T1 + Sigma0_512((a)) + Maj((a), (b), (c)); \
+ j++; \
+ } while(0)
+
+ void
+ SHA512_Transform(SHA512_CTX *context, const uint8 *data)
+ {
+ uint64 a, b, c, d, e, f, g, h, s0, s1;
+ uint64 T1, *W512 = (uint64 *)context->buffer;
+ int j;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+ ROUND512_0_TO_15(a,b,c,d,e,f,g,h);
+ ROUND512_0_TO_15(h,a,b,c,d,e,f,g);
+ ROUND512_0_TO_15(g,h,a,b,c,d,e,f);
+ ROUND512_0_TO_15(f,g,h,a,b,c,d,e);
+ ROUND512_0_TO_15(e,f,g,h,a,b,c,d);
+ ROUND512_0_TO_15(d,e,f,g,h,a,b,c);
+ ROUND512_0_TO_15(c,d,e,f,g,h,a,b);
+ ROUND512_0_TO_15(b,c,d,e,f,g,h,a);
+ } while (j < 16);
+
+ /* Now for the remaining rounds up to 79: */
+ do {
+ ROUND512(a,b,c,d,e,f,g,h);
+ ROUND512(h,a,b,c,d,e,f,g);
+ ROUND512(g,h,a,b,c,d,e,f);
+ ROUND512(f,g,h,a,b,c,d,e);
+ ROUND512(e,f,g,h,a,b,c,d);
+ ROUND512(d,e,f,g,h,a,b,c);
+ ROUND512(c,d,e,f,g,h,a,b);
+ ROUND512(b,c,d,e,f,g,h,a);
+ } while (j < 80);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = 0;
+ }
+
+ #else /* SHA2_UNROLL_TRANSFORM */
+
+ void
+ SHA512_Transform(SHA512_CTX *context, const uint8 *data)
+ {
+ uint64 a, b, c, d, e, f, g, h, s0, s1;
+ uint64 T1, T2, *W512 = (uint64 *)context->buffer;
+ int j;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->state[0];
+ b = context->state[1];
+ c = context->state[2];
+ d = context->state[3];
+ e = context->state[4];
+ f = context->state[5];
+ g = context->state[6];
+ h = context->state[7];
+
+ j = 0;
+ do {
+ W512[j] = (uint64)data[7] | ((uint64)data[6] << 8) |
+ ((uint64)data[5] << 16) | ((uint64)data[4] << 24) |
+ ((uint64)data[3] << 32) | ((uint64)data[2] << 40) |
+ ((uint64)data[1] << 48) | ((uint64)data[0] << 56);
+ data += 8;
+ /* Apply the SHA-512 compression function to update a..h */
+ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
+ T2 = Sigma0_512(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 16);
+
+ do {
+ /* Part of the message block expansion: */
+ s0 = W512[(j+1)&0x0f];
+ s0 = sigma0_512(s0);
+ s1 = W512[(j+14)&0x0f];
+ s1 = sigma1_512(s1);
+
+ /* Apply the SHA-512 compression function to update a..h */
+ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] +
+ (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0);
+ T2 = Sigma0_512(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+
+ j++;
+ } while (j < 80);
+
+ /* Compute the current intermediate hash value */
+ context->state[0] += a;
+ context->state[1] += b;
+ context->state[2] += c;
+ context->state[3] += d;
+ context->state[4] += e;
+ context->state[5] += f;
+ context->state[6] += g;
+ context->state[7] += h;
+
+ /* Clean up */
+ a = b = c = d = e = f = g = h = T1 = T2 = 0;
+ }
+
+ #endif /* SHA2_UNROLL_TRANSFORM */
+
+ void
+ SHA512_Update(SHA512_CTX *context, const uint8 *data, size_t len)
+ {
+ size_t freespace, usedspace;
+
+ /* Calling with no data is valid (we do nothing) */
+ if (len == 0)
+ return;
+
+ usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ if (usedspace > 0) {
+ /* Calculate how much free space is available in the buffer */
+ freespace = SHA512_BLOCK_LENGTH - usedspace;
+
+ if (len >= freespace) {
+ /* Fill the buffer completely and process it */
+ bcopy(data, &context->buffer[usedspace], freespace);
+ ADDINC128(context->bitcount, freespace << 3);
+ len -= freespace;
+ data += freespace;
+ SHA512_Transform(context, context->buffer);
+ } else {
+ /* The buffer is not yet full */
+ bcopy(data, &context->buffer[usedspace], len);
+ ADDINC128(context->bitcount, len << 3);
+ /* Clean up: */
+ usedspace = freespace = 0;
+ return;
+ }
+ }
+ while (len >= SHA512_BLOCK_LENGTH) {
+ /* Process as many complete blocks as we can */
+ SHA512_Transform(context, data);
+ ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
+ len -= SHA512_BLOCK_LENGTH;
+ data += SHA512_BLOCK_LENGTH;
+ }
+ if (len > 0) {
+ /* There's left-overs, so save 'em */
+ bcopy(data, context->buffer, len);
+ ADDINC128(context->bitcount, len << 3);
+ }
+ /* Clean up: */
+ usedspace = freespace = 0;
+ }
+
+ void
+ SHA512_Last(SHA512_CTX *context)
+ {
+ unsigned int usedspace;
+
+ usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ #if BYTE_ORDER == LITTLE_ENDIAN
+ /* Convert FROM host byte order */
+ REVERSE64(context->bitcount[0],context->bitcount[0]);
+ REVERSE64(context->bitcount[1],context->bitcount[1]);
+ #endif
+ if (usedspace > 0) {
+ /* Begin padding with a 1 bit: */
+ context->buffer[usedspace++] = 0x80;
+
+ if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
+ /* Set-up for the last transform: */
+ bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
+ } else {
+ if (usedspace < SHA512_BLOCK_LENGTH) {
+ bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
+ }
+ /* Do second-to-last transform: */
+ SHA512_Transform(context, context->buffer);
+
+ /* And set-up for the last transform: */
+ bzero(context->buffer, SHA512_BLOCK_LENGTH - 2);
+ }
+ } else {
+ /* Prepare for final transform: */
+ bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
+
+ /* Begin padding with a 1 bit: */
+ *context->buffer = 0x80;
+ }
+ /* Store the length of input data (in bits): */
+ *(uint64 *)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
+ *(uint64 *)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
+
+ /* Final transform: */
+ SHA512_Transform(context, context->buffer);
+ }
+
+ void
+ SHA512_Final(uint8 digest[], SHA512_CTX *context)
+ {
+ uint64 *d = (uint64 *)digest;
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != NULL) {
+ SHA512_Last(context);
+
+ /* Save the hash data for output: */
+ #if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < 8; j++) {
+ REVERSE64(context->state[j],context->state[j]);
+ *d++ = context->state[j];
+ }
+ }
+ #else
+ bcopy(context->state, d, SHA512_DIGEST_LENGTH);
+ #endif
+ }
+
+ /* Zero out state data */
+ bzero(context, sizeof(*context));
+ }
+
+
+ /*** SHA-384: *********************************************************/
+ void
+ SHA384_Init(SHA384_CTX *context)
+ {
+ if (context == NULL)
+ return;
+ bcopy(sha384_initial_hash_value, context->state, SHA512_DIGEST_LENGTH);
+ bzero(context->buffer, SHA384_BLOCK_LENGTH);
+ context->bitcount[0] = context->bitcount[1] = 0;
+ }
+
+ void
+ SHA384_Update(SHA384_CTX *context, const uint8 *data, size_t len)
+ {
+ SHA512_Update((SHA512_CTX *)context, data, len);
+ }
+
+ void
+ SHA384_Final(uint8 digest[], SHA384_CTX *context)
+ {
+ uint64 *d = (uint64 *)digest;
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != NULL) {
+ SHA512_Last((SHA512_CTX *)context);
+
+ /* Save the hash data for output: */
+ #if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < 6; j++) {
+ REVERSE64(context->state[j],context->state[j]);
+ *d++ = context->state[j];
+ }
+ }
+ #else
+ bcopy(context->state, d, SHA384_DIGEST_LENGTH);
+ #endif
+ }
+
+ /* Zero out state data */
+ bzero(context, sizeof(*context));
+ }
Index: pgsql/contrib/pgcrypto/sha2.h
===================================================================
*** /dev/null
--- pgsql/contrib/pgcrypto/sha2.h
***************
*** 0 ****
--- 1,80 ----
+ /* $PostgreSQL$ */
+ /* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */
+
+ /*
+ * FILE: sha2.h
+ * AUTHOR: Aaron D. Gifford <me(at)aarongifford(dot)com>
+ *
+ * Copyright (c) 2000-2001, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
+ */
+
+ #ifndef _SHA2_H
+ #define _SHA2_H
+
+
+ /*** SHA-256/384/512 Various Length Definitions ***********************/
+ #define SHA256_BLOCK_LENGTH 64
+ #define SHA256_DIGEST_LENGTH 32
+ #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
+ #define SHA384_BLOCK_LENGTH 128
+ #define SHA384_DIGEST_LENGTH 48
+ #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
+ #define SHA512_BLOCK_LENGTH 128
+ #define SHA512_DIGEST_LENGTH 64
+ #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
+
+
+ /*** SHA-256/384/512 Context Structures *******************************/
+ typedef struct _SHA256_CTX {
+ uint32 state[8];
+ uint64 bitcount;
+ uint8 buffer[SHA256_BLOCK_LENGTH];
+ } SHA256_CTX;
+ typedef struct _SHA512_CTX {
+ uint64 state[8];
+ uint64 bitcount[2];
+ uint8 buffer[SHA512_BLOCK_LENGTH];
+ } SHA512_CTX;
+
+ typedef SHA512_CTX SHA384_CTX;
+
+ void SHA256_Init(SHA256_CTX *);
+ void SHA256_Update(SHA256_CTX *, const uint8 *, size_t);
+ void SHA256_Final(uint8[SHA256_DIGEST_LENGTH], SHA256_CTX *);
+
+ void SHA384_Init(SHA384_CTX *);
+ void SHA384_Update(SHA384_CTX *, const uint8 *, size_t);
+ void SHA384_Final(uint8[SHA384_DIGEST_LENGTH], SHA384_CTX *);
+
+ void SHA512_Init(SHA512_CTX *);
+ void SHA512_Update(SHA512_CTX *, const uint8 *, size_t);
+ void SHA512_Final(uint8[SHA512_DIGEST_LENGTH], SHA512_CTX *);
+
+ #endif /* _SHA2_H */
Index: pgsql/contrib/pgcrypto/expected/sha2.out
===================================================================
*** /dev/null
--- pgsql/contrib/pgcrypto/expected/sha2.out
***************
*** 0 ****
--- 1,108 ----
+ --
+ -- SHA2 family
+ --
+ -- SHA256
+ SELECT encode(digest('', 'sha256'), 'hex');
+ encode
+ ------------------------------------------------------------------
+ e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
+ (1 row)
+
+ SELECT encode(digest('a', 'sha256'), 'hex');
+ encode
+ ------------------------------------------------------------------
+ ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb
+ (1 row)
+
+ SELECT encode(digest('abc', 'sha256'), 'hex');
+ encode
+ ------------------------------------------------------------------
+ ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad
+ (1 row)
+
+ SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha256'), 'hex');
+ encode
+ ------------------------------------------------------------------
+ 248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1
+ (1 row)
+
+ SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha256'), 'hex');
+ encode
+ ------------------------------------------------------------------
+ f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e
+ (1 row)
+
+ -- SHA384
+ SELECT encode(digest('', 'sha384'), 'hex');
+ encode
+ --------------------------------------------------------------------------------------------------
+ 38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b
+ (1 row)
+
+ SELECT encode(digest('a', 'sha384'), 'hex');
+ encode
+ --------------------------------------------------------------------------------------------------
+ 54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31
+ (1 row)
+
+ SELECT encode(digest('abc', 'sha384'), 'hex');
+ encode
+ --------------------------------------------------------------------------------------------------
+ cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7
+ (1 row)
+
+ SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha384'), 'hex');
+ encode
+ --------------------------------------------------------------------------------------------------
+ 3391fdddfc8dc7393707a65b1b4709397cf8b1d162af05abfe8f450de5f36bc6b0455a8520bc4e6f5fe95b1fe3c8452b
+ (1 row)
+
+ SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha384'), 'hex');
+ encode
+ --------------------------------------------------------------------------------------------------
+ 09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712fcc7c71a557e2db966c3e9fa91746039
+ (1 row)
+
+ SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha384'), 'hex');
+ encode
+ --------------------------------------------------------------------------------------------------
+ 3d208973ab3508dbbd7e2c2862ba290ad3010e4978c198dc4d8fd014e582823a89e16f9b2a7bbc1ac938e2d199e8bea4
+ (1 row)
+
+ -- SHA512
+ SELECT encode(digest('', 'sha512'), 'hex');
+ encode
+ ----------------------------------------------------------------------------------------------------------------------------------
+ cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
+ (1 row)
+
+ SELECT encode(digest('a', 'sha512'), 'hex');
+ encode
+ ----------------------------------------------------------------------------------------------------------------------------------
+ 1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75
+ (1 row)
+
+ SELECT encode(digest('abc', 'sha512'), 'hex');
+ encode
+ ----------------------------------------------------------------------------------------------------------------------------------
+ ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f
+ (1 row)
+
+ SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha512'), 'hex');
+ encode
+ ----------------------------------------------------------------------------------------------------------------------------------
+ 204a8fc6dda82f0a0ced7beb8e08a41657c16ef468b228a8279be331a703c33596fd15c13b1b07f9aa1d3bea57789ca031ad85c7a71dd70354ec631238ca3445
+ (1 row)
+
+ SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha512'), 'hex');
+ encode
+ ----------------------------------------------------------------------------------------------------------------------------------
+ 8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909
+ (1 row)
+
+ SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha512'), 'hex');
+ encode
+ ----------------------------------------------------------------------------------------------------------------------------------
+ 930d0cefcb30ff1133b6898121f1cf3d27578afcafe8677c5257cf069911f75d8f5831b56ebfda67b278e66dff8b84fe2b2870f742a580d8edb41987232850c9
+ (1 row)
+
Index: pgsql/contrib/pgcrypto/sql/sha2.sql
===================================================================
*** /dev/null
--- pgsql/contrib/pgcrypto/sql/sha2.sql
***************
*** 0 ****
--- 1,28 ----
+ --
+ -- SHA2 family
+ --
+
+ -- SHA256
+ SELECT encode(digest('', 'sha256'), 'hex');
+ SELECT encode(digest('a', 'sha256'), 'hex');
+ SELECT encode(digest('abc', 'sha256'), 'hex');
+ SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha256'), 'hex');
+ SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha256'), 'hex');
+
+ -- SHA384
+ SELECT encode(digest('', 'sha384'), 'hex');
+ SELECT encode(digest('a', 'sha384'), 'hex');
+ SELECT encode(digest('abc', 'sha384'), 'hex');
+ SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha384'), 'hex');
+ SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha384'), 'hex');
+ SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha384'), 'hex');
+
+ -- SHA512
+ SELECT encode(digest('', 'sha512'), 'hex');
+ SELECT encode(digest('a', 'sha512'), 'hex');
+ SELECT encode(digest('abc', 'sha512'), 'hex');
+ SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha512'), 'hex');
+ SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha512'), 'hex');
+ SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha512'), 'hex');
+
+

--