components/openssl/openssl-1.0.0/engines/t4/eng_t4_md5.c
changeset 603 1b966e9a6b03
child 932 a3abdb042ced
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/openssl/openssl-1.0.0/engines/t4/eng_t4_md5.c	Tue Nov 29 11:18:53 2011 -0800
@@ -0,0 +1,207 @@
+/*
+ * 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 MD5 message digest operations.
+ */
+
+#include <openssl/opensslconf.h>
+
+#if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_MD_T4)
+#ifndef	OPENSSL_NO_MD5
+
+#include <sys/types.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <openssl/aes.h>
+#include <openssl/engine.h>
+/*
+ * Solaris sys/md5.h and OpenSSL openssl/md5.h both define MD5_CTX.
+ * The OpenSSL MD5_CTX has an extra "num" field at the end.
+ */
+#include <openssl/md5.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 md5_block_data_order(): */
+extern void t4_md5_multiblock(MD5_CTX *ctx, const uint8_t *input,
+    unsigned int input_length_in_blocks);
+
+/* Formal declaration for functions in EVP_MD structure */
+int t4_digest_init_md5(EVP_MD_CTX *ctx);
+int t4_digest_update_md5(EVP_MD_CTX *ctx, const void *data, size_t count);
+int t4_digest_final_md5(EVP_MD_CTX *ctx, unsigned char *md);
+int t4_digest_copy_md5(EVP_MD_CTX *to, const EVP_MD_CTX *from);
+
+
+/*
+ * MD5 Message Digests
+ *
+ * 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_md5 = {
+	NID_md5, NID_md5WithRSAEncryption, MD5_DIGEST_LENGTH,
+	0,
+	t4_digest_init_md5, t4_digest_update_md5, t4_digest_final_md5,
+	t4_digest_copy_md5, NULL,
+	EVP_PKEY_RSA_method, MD5_CBLOCK,
+	sizeof (MD5_CTX), NULL
+	};
+
+/* These functions are implemented in md32_common.h: */
+static int t4_md5_update(MD5_CTX *c, const void *data_, size_t len);
+static void t4_md5_transform(MD5_CTX *c, const unsigned char *data);
+static int t4_md5_final(unsigned char *md, MD5_CTX *c);
+#pragma inline(t4_md5_update, t4_md5_transform, t4_md5_final)
+
+#define	DATA_ORDER_IS_LITTLE_ENDIAN
+/* HASH_LONG/MD5_LONG is a 32-bit unsigned: */
+#define	HASH_LONG		MD5_LONG
+#define	HASH_CTX		MD5_CTX
+#define	HASH_CBLOCK		MD5_CBLOCK
+#define	HASH_UPDATE		t4_md5_update
+#define	HASH_TRANSFORM		t4_md5_transform
+#define	HASH_FINAL		t4_md5_final
+#define	HASH_BLOCK_DATA_ORDER	t4_md5_multiblock
+/* HOST_l2c_t4: Hash is already byte-swapped as Little Endian for SPARC T4: */
+#define	HOST_l2c_t4(l, c)	(*((unsigned int *)(c)) = (l), (c) += 4, l)
+#define	HASH_MAKE_STRING(c, s)	do {	\
+		unsigned int ll;		\
+		ll = (c)->A; HOST_l2c_t4(ll, (s));	\
+		ll = (c)->B; HOST_l2c_t4(ll, (s));	\
+		ll = (c)->C; HOST_l2c_t4(ll, (s));	\
+		ll = (c)->D; HOST_l2c_t4(ll, (s));	\
+	} while (0)
+
+/* This defines HASH_UPDATE, HASH_TRANSFORM, HASH_FINAL functions: */
+#include "md32_common.h"
+
+
+/*
+ * MD5 functions (RFC 1321 The MD5 Message-Digest Algorithm)
+ */
+
+int
+t4_digest_init_md5(EVP_MD_CTX *ctx)
+{
+	MD5_CTX	*c = (MD5_CTX *)ctx->md_data;
+
+	/* Optimization: don't call memset(c, 0,...) or initialize c->data[] */
+	c->Nl = c->Nh = c->num = 0;
+
+	/* Big Endian for T4 */
+	c->A = 0x01234567U;
+	c->B = 0x89abcdefU;
+	c->C = 0xfedcba98U;
+	c->D = 0x76543210U;
+
+	return (1);
+}
+
+/*
+ * Continue MD5 digest operation, using the message block to update context.
+ * MD5 crunches in 64-byte blocks.
+ */
+int
+t4_digest_update_md5(EVP_MD_CTX *ctx, const void *data, size_t len)
+{
+	return (t4_md5_update((MD5_CTX *)ctx->md_data, data, len));
+}
+
+/* End MD5 digest operation, finalizing message digest and zeroing context. */
+int
+t4_digest_final_md5(EVP_MD_CTX *ctx, unsigned char *md)
+{
+	return (t4_md5_final(md, (MD5_CTX *)ctx->md_data));
+}
+
+/* Required for Engine API */
+int
+t4_digest_copy_md5(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 (MD5_CTX));
+	}
+	return (1);
+}
+
+#endif	/* COMPILE_HW_T4 */
+#endif	/* !OPENSSL_NO_MD5 */
+#endif	/* !OPENSSL_NO_HW && !OPENSSL_NO_HW_MD_T4 */