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/* crypto/sha/sha.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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|
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#ifndef HEADER_SHA_H |
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#define HEADER_SHA_H |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#if defined(NO_SHA) || (defined(NO_SHA0) && defined(NO_SHA1)) |
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#error SHA is disabled. |
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#endif |
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|
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/* |
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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* ! SHA_LONG has to be at least 32 bits wide. If it's wider, then ! |
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* ! SHA_LONG_LOG2 has to be defined along. ! |
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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*/ |
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|
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#if defined(WIN16) || defined(__LP32__) |
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#define SHA_LONG unsigned long |
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#elif defined(_CRAY) || defined(__ILP64__) |
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#define SHA_LONG unsigned long |
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#define SHA_LONG_LOG2 3 |
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#else |
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#define SHA_LONG unsigned int |
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#endif |
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|
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#define SHA_LBLOCK 16 |
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#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a |
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* contiguous array of 32 bit |
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* wide big-endian values. */ |
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#define SHA_LAST_BLOCK (SHA_CBLOCK-8) |
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#define SHA_DIGEST_LENGTH 20 |
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|
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typedef struct SHAstate_st |
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{ |
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SHA_LONG h0,h1,h2,h3,h4; |
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SHA_LONG Nl,Nh; |
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SHA_LONG data[SHA_LBLOCK]; |
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int num; |
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} SHA_CTX; |
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|
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#ifndef NO_SHA0 |
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void SHA_Init(SHA_CTX *c); |
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void SHA_Update(SHA_CTX *c, const void *data, unsigned long len); |
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void SHA_Final(unsigned char *md, SHA_CTX *c); |
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unsigned char *SHA(const unsigned char *d, unsigned long n,unsigned char *md); |
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void SHA_Transform(SHA_CTX *c, const unsigned char *data); |
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#endif |
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#ifndef NO_SHA1 |
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void SHA1_Init(SHA_CTX *c); |
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void SHA1_Update(SHA_CTX *c, const void *data, unsigned long len); |
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void SHA1_Final(unsigned char *md, SHA_CTX *c); |
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unsigned char *SHA1(const unsigned char *d, unsigned long n,unsigned char *md); |
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void SHA1_Transform(SHA_CTX *c, const unsigned char *data); |
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#endif |
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#endif |