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Diffstat (limited to 'openssl/crypto/md4/md4_locl.h')
| -rw-r--r-- | openssl/crypto/md4/md4_locl.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/openssl/crypto/md4/md4_locl.h b/openssl/crypto/md4/md4_locl.h new file mode 100644 index 000000000..c8085b0ea --- /dev/null +++ b/openssl/crypto/md4/md4_locl.h @@ -0,0 +1,112 @@ +/* crypto/md4/md4_locl.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdlib.h> +#include <string.h> +#include <openssl/opensslconf.h> +#include <openssl/md4.h> + +#ifndef MD4_LONG_LOG2 +#define MD4_LONG_LOG2 2 /* default to 32 bits */ +#endif + +void md4_block_data_order (MD4_CTX *c, const void *p,size_t num); + +#define DATA_ORDER_IS_LITTLE_ENDIAN + +#define HASH_LONG MD4_LONG +#define HASH_CTX MD4_CTX +#define HASH_CBLOCK MD4_CBLOCK +#define HASH_UPDATE MD4_Update +#define HASH_TRANSFORM MD4_Transform +#define HASH_FINAL MD4_Final +#define HASH_MAKE_STRING(c,s) do { \ + unsigned long ll; \ + ll=(c)->A; HOST_l2c(ll,(s)); \ + ll=(c)->B; HOST_l2c(ll,(s)); \ + ll=(c)->C; HOST_l2c(ll,(s)); \ + ll=(c)->D; HOST_l2c(ll,(s)); \ + } while (0) +#define HASH_BLOCK_DATA_ORDER md4_block_data_order + +#include "md32_common.h" + +/* +#define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) +#define G(x,y,z) (((x) & (y)) | ((x) & ((z))) | ((y) & ((z)))) +*/ + +/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be + * simplified to the code below. Wei attributes these optimizations + * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel. + */ +#define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) +#define G(b,c,d) (((b) & (c)) | ((b) & (d)) | ((c) & (d))) +#define H(b,c,d) ((b) ^ (c) ^ (d)) + +#define R0(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+F((b),(c),(d))); \ + a=ROTATE(a,s); }; + +#define R1(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+G((b),(c),(d))); \ + a=ROTATE(a,s); };\ + +#define R2(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+H((b),(c),(d))); \ + a=ROTATE(a,s); }; |