net-snmp 5.7
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00001 /* crypto/sha/sha.h */ 00002 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 00003 * All rights reserved. 00004 * 00005 * This package is an SSL implementation written 00006 * by Eric Young (eay@cryptsoft.com). 00007 * The implementation was written so as to conform with Netscapes SSL. 00008 * 00009 * This library is free for commercial and non-commercial use as long as 00010 * the following conditions are aheared to. The following conditions 00011 * apply to all code found in this distribution, be it the RC4, RSA, 00012 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 00013 * included with this distribution is covered by the same copyright terms 00014 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 00015 * 00016 * Copyright remains Eric Young's, and as such any Copyright notices in 00017 * the code are not to be removed. 00018 * If this package is used in a product, Eric Young should be given attribution 00019 * as the author of the parts of the library used. 00020 * This can be in the form of a textual message at program startup or 00021 * in documentation (online or textual) provided with the package. 00022 * 00023 * Redistribution and use in source and binary forms, with or without 00024 * modification, are permitted provided that the following conditions 00025 * are met: 00026 * 1. Redistributions of source code must retain the copyright 00027 * notice, this list of conditions and the following disclaimer. 00028 * 2. Redistributions in binary form must reproduce the above copyright 00029 * notice, this list of conditions and the following disclaimer in the 00030 * documentation and/or other materials provided with the distribution. 00031 * 3. All advertising materials mentioning features or use of this software 00032 * must display the following acknowledgement: 00033 * "This product includes cryptographic software written by 00034 * Eric Young (eay@cryptsoft.com)" 00035 * The word 'cryptographic' can be left out if the rouines from the library 00036 * being used are not cryptographic related :-). 00037 * 4. If you include any Windows specific code (or a derivative thereof) from 00038 * the apps directory (application code) you must include an acknowledgement: 00039 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 00040 * 00041 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 00042 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00043 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00044 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00045 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00046 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00047 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00048 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00049 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00050 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00051 * SUCH DAMAGE. 00052 * 00053 * The licence and distribution terms for any publically available version or 00054 * derivative of this code cannot be changed. i.e. this code cannot simply be 00055 * copied and put under another distribution licence 00056 * [including the GNU Public Licence.] 00057 */ 00058 00059 #ifndef HEADER_SHA_H 00060 #define HEADER_SHA_H 00061 00062 #include <stddef.h> 00063 00064 #ifdef __cplusplus 00065 extern "C" { 00066 #endif 00067 00068 #if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1)) 00069 #error SHA is disabled. 00070 #endif 00071 00072 #if defined(OPENSSL_FIPS) 00073 #define FIPS_SHA_SIZE_T size_t 00074 #endif 00075 00076 /* 00077 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 00078 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then ! 00079 * ! SHA_LONG_LOG2 has to be defined along. ! 00080 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 00081 */ 00082 00083 #if defined(__LP32__) 00084 #define SHA_LONG unsigned long 00085 #elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 00086 #define SHA_LONG unsigned long 00087 #define SHA_LONG_LOG2 3 00088 #else 00089 #define SHA_LONG unsigned int 00090 #endif 00091 00092 #define SHA_LBLOCK 16 00093 #define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a 00094 * contiguous array of 32 bit 00095 * wide big-endian values. */ 00096 #define SHA_LAST_BLOCK (SHA_CBLOCK-8) 00097 #define SHA_DIGEST_LENGTH 20 00098 00099 typedef struct SHAstate_st 00100 { 00101 SHA_LONG h0,h1,h2,h3,h4; 00102 SHA_LONG Nl,Nh; 00103 SHA_LONG data[SHA_LBLOCK]; 00104 unsigned int num; 00105 } SHA_CTX; 00106 00107 #ifndef OPENSSL_NO_SHA0 00108 int SHA_Init(SHA_CTX *c); 00109 int SHA_Update(SHA_CTX *c, const void *data, size_t len); 00110 int SHA_Final(unsigned char *md, SHA_CTX *c); 00111 unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md); 00112 void SHA_Transform(SHA_CTX *c, const unsigned char *data); 00113 #endif 00114 #ifndef OPENSSL_NO_SHA1 00115 int SHA1_Init(SHA_CTX *c); 00116 int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 00117 int SHA1_Final(unsigned char *md, SHA_CTX *c); 00118 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 00119 void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 00120 #endif 00121 00122 #define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a 00123 * contiguous array of 32 bit 00124 * wide big-endian values. */ 00125 #define SHA224_DIGEST_LENGTH 28 00126 #define SHA256_DIGEST_LENGTH 32 00127 00128 typedef struct SHA256state_st 00129 { 00130 SHA_LONG h[8]; 00131 SHA_LONG Nl,Nh; 00132 SHA_LONG data[SHA_LBLOCK]; 00133 unsigned int num,md_len; 00134 } SHA256_CTX; 00135 00136 #ifndef OPENSSL_NO_SHA256 00137 int SHA224_Init(SHA256_CTX *c); 00138 int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); 00139 int SHA224_Final(unsigned char *md, SHA256_CTX *c); 00140 unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md); 00141 int SHA256_Init(SHA256_CTX *c); 00142 int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); 00143 int SHA256_Final(unsigned char *md, SHA256_CTX *c); 00144 unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md); 00145 void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); 00146 #endif 00147 00148 #define SHA384_DIGEST_LENGTH 48 00149 #define SHA512_DIGEST_LENGTH 64 00150 00151 #ifndef OPENSSL_NO_SHA512 00152 /* 00153 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 00154 * being exactly 64-bit wide. See Implementation Notes in sha512.c 00155 * for further details. 00156 */ 00157 #define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a 00158 * contiguous array of 64 bit 00159 * wide big-endian values. */ 00160 #if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 00161 #define SHA_LONG64 unsigned __int64 00162 #define U64(C) C##UI64 00163 #elif defined(__arch64__) 00164 #define SHA_LONG64 unsigned long 00165 #define U64(C) C##UL 00166 #else 00167 #define SHA_LONG64 unsigned long long 00168 #define U64(C) C##ULL 00169 #endif 00170 00171 typedef struct SHA512state_st 00172 { 00173 SHA_LONG64 h[8]; 00174 SHA_LONG64 Nl,Nh; 00175 union { 00176 SHA_LONG64 d[SHA_LBLOCK]; 00177 unsigned char p[SHA512_CBLOCK]; 00178 } u; 00179 unsigned int num,md_len; 00180 } SHA512_CTX; 00181 #endif 00182 00183 #ifndef OPENSSL_NO_SHA512 00184 int SHA384_Init(SHA512_CTX *c); 00185 int SHA384_Update(SHA512_CTX *c, const void *data, size_t len); 00186 int SHA384_Final(unsigned char *md, SHA512_CTX *c); 00187 unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md); 00188 int SHA512_Init(SHA512_CTX *c); 00189 int SHA512_Update(SHA512_CTX *c, const void *data, size_t len); 00190 int SHA512_Final(unsigned char *md, SHA512_CTX *c); 00191 unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md); 00192 void SHA512_Transform(SHA512_CTX *c, const unsigned char *data); 00193 #endif 00194 00195 #ifdef __cplusplus 00196 } 00197 #endif 00198 00199 #endif