87f37bc5a3
-Built-in version of the library for Windows, Android and iOS (other OSs use system one) -Small fixes all around
112 lines
4.6 KiB
C
112 lines
4.6 KiB
C
/* crypto/md4/md4_locl.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/opensslconf.h>
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#include <openssl/md4.h>
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#ifndef MD4_LONG_LOG2
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#define MD4_LONG_LOG2 2 /* default to 32 bits */
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#endif
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void md4_block_data_order (MD4_CTX *c, const void *p,size_t num);
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#define DATA_ORDER_IS_LITTLE_ENDIAN
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#define HASH_LONG MD4_LONG
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#define HASH_CTX MD4_CTX
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#define HASH_CBLOCK MD4_CBLOCK
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#define HASH_UPDATE MD4_Update
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#define HASH_TRANSFORM MD4_Transform
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#define HASH_FINAL MD4_Final
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#define HASH_MAKE_STRING(c,s) do { \
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unsigned long ll; \
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ll=(c)->A; (void)HOST_l2c(ll,(s)); \
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ll=(c)->B; (void)HOST_l2c(ll,(s)); \
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ll=(c)->C; (void)HOST_l2c(ll,(s)); \
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ll=(c)->D; (void)HOST_l2c(ll,(s)); \
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} while (0)
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#define HASH_BLOCK_DATA_ORDER md4_block_data_order
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#include "md32_common.h"
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/*
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#define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
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#define G(x,y,z) (((x) & (y)) | ((x) & ((z))) | ((y) & ((z))))
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*/
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/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be
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* simplified to the code below. Wei attributes these optimizations
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* to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
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*/
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#define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
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#define G(b,c,d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
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#define H(b,c,d) ((b) ^ (c) ^ (d))
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#define R0(a,b,c,d,k,s,t) { \
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a+=((k)+(t)+F((b),(c),(d))); \
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a=ROTATE(a,s); };
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#define R1(a,b,c,d,k,s,t) { \
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a+=((k)+(t)+G((b),(c),(d))); \
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a=ROTATE(a,s); };\
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#define R2(a,b,c,d,k,s,t) { \
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a+=((k)+(t)+H((b),(c),(d))); \
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a=ROTATE(a,s); };
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