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Diffstat (limited to 'crypto/md4/md4.h')
-rw-r--r-- | crypto/md4/md4.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/crypto/md4/md4.h b/crypto/md4/md4.h new file mode 100644 index 0000000000..c794e186db --- /dev/null +++ b/crypto/md4/md4.h @@ -0,0 +1,114 @@ +/* crypto/md4/md4.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.] + */ + +#ifndef HEADER_MD4_H +#define HEADER_MD4_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NO_MD4 +#error MD4 is disabled. +#endif + +/* + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + * ! MD4_LONG has to be at least 32 bits wide. If it's wider, then ! + * ! MD4_LONG_LOG2 has to be defined along. ! + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + */ + +#if defined(WIN16) || defined(__LP32__) +#define MD4_LONG unsigned long +#elif defined(_CRAY) || defined(__ILP64__) +#define MD4_LONG unsigned long +#define MD4_LONG_LOG2 3 +/* + * _CRAY note. I could declare short, but I have no idea what impact + * does it have on performance on none-T3E machines. I could declare + * int, but at least on C90 sizeof(int) can be chosen at compile time. + * So I've chosen long... + * <appro@fy.chalmers.se> + */ +#else +#define MD4_LONG unsigned int +#endif + +#define MD4_CBLOCK 64 +#define MD4_LBLOCK (MD4_CBLOCK/4) +#define MD4_DIGEST_LENGTH 16 + +typedef struct MD4state_st + { + MD4_LONG A,B,C,D; + MD4_LONG Nl,Nh; + MD4_LONG data[MD4_LBLOCK]; + int num; + } MD4_CTX; + +void MD4_Init(MD4_CTX *c); +void MD4_Update(MD4_CTX *c, const void *data, unsigned long len); +void MD4_Final(unsigned char *md, MD4_CTX *c); +unsigned char *MD4(const unsigned char *d, unsigned long n, unsigned char *md); +void MD4_Transform(MD4_CTX *c, const unsigned char *b); +#ifdef __cplusplus +} +#endif + +#endif |