PSARC 2013/034 OpenSSL 1.0.1
15824597 SUNBT7206149 Resynch with the latest OpenSSL (1.0.1e)
/*
* This product includes cryptographic software developed by the OpenSSL
* Project for use in the OpenSSL Toolkit (http://www.openssl.org/). This
* product includes cryptographic software written by Eric Young
* ([email protected]).
*/
/*
* ====================================================================
* Copyright (c) 1998-2011 The OpenSSL Project. 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. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* [email protected].
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS CONTRIBUTORS 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.
* ====================================================================
*/
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
*/
/*
* This engine supports SPARC microprocessors that provide AES and other
* cipher and hash instructions, such as the T4 microprocessor.
*
* This file implements the SHA-1 message digest operations.
*/
#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_MD_T4)
#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/*
* For SHA1, OpenSSL SHA_CTX has an extra num field at the end,
* while the Solaris SHA1_CTX does not have this field.
*/
#include <openssl/engine.h>
#include <openssl/sha.h>
#if (defined(sun4v) || defined(__sparcv9) || defined(__sparcv8plus) || \
defined(__sparcv8)) && !defined(OPENSSL_NO_ASM)
#define COMPILE_HW_T4
#endif
#ifdef COMPILE_HW_T4
/* Assembly language function; replaces C function sha1_block_data_order(): */
extern void t4_sha1_multiblock(SHA_CTX *ctx, const void *input, size_t num);
/* Formal declaration for functions in EVP_MD structure */
static int t4_digest_init_sha1(EVP_MD_CTX *ctx);
static int t4_digest_update_sha1(EVP_MD_CTX *ctx, const void *data,
size_t len);
static int t4_digest_final_sha1(EVP_MD_CTX *ctx, unsigned char *md);
static int t4_digest_copy_sha1(EVP_MD_CTX *to, const EVP_MD_CTX *from);
/*
* OpenSSL's libcrypto EVP stuff. This is how this engine gets wired to EVP.
* EVP_MD is defined in evp.h. To maintain binary compatibility the
* definition cannot be modified.
* Stuff specific to the t4 engine is kept in t4_cipher_ctx_t, which is
* pointed to by the last field, app_data.
*
* Fields: type, pkey_type, md_size, flags,
* init(), update(), final(),
* copy(), cleanup(), sign(), verify(),
* required_pkey_type, block_size, ctx_size, md5_ctrl()
*/
const EVP_MD t4_sha1 = {
NID_sha1, NID_sha1WithRSAEncryption, SHA_DIGEST_LENGTH,
EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
t4_digest_init_sha1, t4_digest_update_sha1, t4_digest_final_sha1,
t4_digest_copy_sha1, NULL,
EVP_PKEY_RSA_method, SHA_CBLOCK,
sizeof (SHA_CTX), NULL
};
/* These functions are defined in md32_common.h: */
static int t4_sha1_update(SHA_CTX *c, const void *data_, size_t len);
static void t4_sha1_transform(SHA_CTX *c, const unsigned char *data);
static int t4_sha1_final(unsigned char *md, SHA_CTX *c);
#pragma inline(t4_sha1_update, t4_sha1_transform, t4_sha1_final)
#define DATA_ORDER_IS_BIG_ENDIAN
/* HASH_LONG/SHA_LONG is unsigned int (32 bits): */
#define HASH_LONG SHA_LONG
#define HASH_CTX SHA_CTX
#define HASH_CBLOCK SHA_CBLOCK
#define HASH_UPDATE t4_sha1_update
#define HASH_TRANSFORM t4_sha1_transform
#define HASH_FINAL t4_sha1_final
#define HASH_BLOCK_DATA_ORDER t4_sha1_multiblock
#define HASH_MAKE_STRING(c, s) do { \
unsigned int ll; \
ll = (c)->h0; HOST_l2c(ll, (s)); \
ll = (c)->h1; HOST_l2c(ll, (s)); \
ll = (c)->h2; HOST_l2c(ll, (s)); \
ll = (c)->h3; HOST_l2c(ll, (s)); \
ll = (c)->h4; HOST_l2c(ll, (s)); \
} while (0)
/* This defines HASH_UPDATE, HASH_TRANSFORM, HASH_FINAL functions: */
#include "md32_common.h"
/*
* SHA-1 functions (FIPS 180-1 Secure Hash Standard)
*/
static int
t4_digest_init_sha1(EVP_MD_CTX *ctx)
{
SHA_CTX *c = (SHA_CTX *)ctx->md_data;
/* Optimization: don't call memset(c, 0,...) or initialize c->data[] */
c->Nl = c->Nh = c->num = 0;
c->h0 = 0x67452301U;
c->h1 = 0xefcdab89U;
c->h2 = 0x98badcfeU;
c->h3 = 0x10325476U;
c->h4 = 0xc3d2e1f0U;
return (1);
}
/* Continue SHA1 digest operation, using the message block to update context. */
static int
t4_digest_update_sha1(EVP_MD_CTX *ctx, const void *data, size_t len)
{
return (t4_sha1_update((SHA_CTX *)ctx->md_data, data, len));
}
/* End SHA1 digest operation, finalizing message digest and zeroing context. */
static int
t4_digest_final_sha1(EVP_MD_CTX *ctx, unsigned char *md)
{
return (t4_sha1_final(md, (SHA_CTX *)ctx->md_data));
}
/* Required for Engine API */
static int
t4_digest_copy_sha1(EVP_MD_CTX *to, const EVP_MD_CTX *from)
{
if ((to->md_data != NULL) && (from->md_data != NULL)) {
(void) memcpy(to->md_data, from->md_data, sizeof (SHA_CTX));
}
return (1);
}
#endif /* COMPILE_HW_T4 */
#endif /* !OPENSSL_NO_SHA && !OPENSSL_NO_SHA1 */
#endif /* !OPENSSL_NO_HW && !OPENSSL_NO_HW_MD_T4 */