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Diffstat (limited to 'src/util/sha2.h')
| -rw-r--r-- | src/util/sha2.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/util/sha2.h b/src/util/sha2.h new file mode 100644 index 000000000..6ac045feb --- /dev/null +++ b/src/util/sha2.h @@ -0,0 +1,154 @@ +/* crypto/sha/sha.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_SHA_H +# define HEADER_SHA_H + +# include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + +# if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1)) +# error SHA is disabled. +# endif + +# if defined(OPENSSL_FIPS) +# define FIPS_SHA_SIZE_T size_t +# endif + +/* + Compat stuff from OpenSSL land + */ + +/* crypto.h */ + +# define fips_md_init(alg) fips_md_init_ctx(alg, alg) + +# define fips_md_init_ctx(alg, cx) \ + int alg##_Init(cx##_CTX *c) +# define fips_cipher_abort(alg) while(0) + +/*- + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then ! + * ! SHA_LONG_LOG2 has to be defined along. ! + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + */ + +# if defined(__LP32__) +# define SHA_LONG unsigned long +# elif defined(__ILP64__) +# define SHA_LONG unsigned long +# define SHA_LONG_LOG2 3 +# else +# define SHA_LONG unsigned int +# endif + +# define SHA_LBLOCK 16 +# define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a + * contiguous array of 32 bit wide + * big-endian values. */ +# define SHA_LAST_BLOCK (SHA_CBLOCK-8) +# define SHA_DIGEST_LENGTH 20 + +typedef struct SHAstate_st { + SHA_LONG h0, h1, h2, h3, h4; + SHA_LONG Nl, Nh; + SHA_LONG data[SHA_LBLOCK]; + unsigned int num; +} SHA_CTX; + +# define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a + * contiguous array of 32 bit wide + * big-endian values. */ +# define SHA224_DIGEST_LENGTH 28 +# define SHA256_DIGEST_LENGTH 32 + +typedef struct SHA256state_st { + SHA_LONG h[8]; + SHA_LONG Nl, Nh; + SHA_LONG data[SHA_LBLOCK]; + unsigned int num, md_len; +} SHA256_CTX; + +# ifndef OPENSSL_NO_SHA256 +# ifdef OPENSSL_FIPS +int private_SHA224_Init(SHA256_CTX *c); +int private_SHA256_Init(SHA256_CTX *c); +# endif +int SHA224_Init(SHA256_CTX *c); +int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); +int SHA224_Final(unsigned char *md, SHA256_CTX *c); +unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md); +int SHA256_Init(SHA256_CTX *c); +int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); +int SHA256_Final(unsigned char *md, SHA256_CTX *c); +unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md); +void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); +# endif + +# define SHA384_DIGEST_LENGTH 48 +# define SHA512_DIGEST_LENGTH 64 + +#ifdef __cplusplus +} +#endif + +#endif |