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Example program to test AES-GCM functionality. Used for a workshop
Diff: SSL/include/polarssl/sha512.h
- Revision:
- 0:796d0f61a05b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SSL/include/polarssl/sha512.h Thu Sep 27 06:34:22 2018 +0000 @@ -0,0 +1,197 @@ +/** + * \file sha512.h + * + * \brief SHA-384 and SHA-512 cryptographic hash function + * + * Copyright (C) 2006-2014, Brainspark B.V. + * + * This file is part of PolarSSL (http://www.polarssl.org) + * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef POLARSSL_SHA512_H +#define POLARSSL_SHA512_H + +#if !defined(POLARSSL_CONFIG_FILE) +#include "config.h" +#else +#include POLARSSL_CONFIG_FILE +#endif + +#include <string.h> + +#if defined(_MSC_VER) || defined(__WATCOMC__) + #define UL64(x) x##ui64 + typedef unsigned __int64 uint64_t; +#else + #include <inttypes.h> + #define UL64(x) x##ULL +#endif + +#define POLARSSL_ERR_SHA512_FILE_IO_ERROR -0x007A /**< Read/write error in file. */ + +#if !defined(POLARSSL_SHA512_ALT) +// Regular implementation +// + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief SHA-512 context structure + */ +typedef struct +{ + uint64_t total[2]; /*!< number of bytes processed */ + uint64_t state[8]; /*!< intermediate digest state */ + unsigned char buffer[128]; /*!< data block being processed */ + + unsigned char ipad[128]; /*!< HMAC: inner padding */ + unsigned char opad[128]; /*!< HMAC: outer padding */ + int is384; /*!< 0 => SHA-512, else SHA-384 */ +} +sha512_context; + +/** + * \brief SHA-512 context setup + * + * \param ctx context to be initialized + * \param is384 0 = use SHA512, 1 = use SHA384 + */ +void sha512_starts( sha512_context *ctx, int is384 ); + +/** + * \brief SHA-512 process buffer + * + * \param ctx SHA-512 context + * \param input buffer holding the data + * \param ilen length of the input data + */ +void sha512_update( sha512_context *ctx, const unsigned char *input, + size_t ilen ); + +/** + * \brief SHA-512 final digest + * + * \param ctx SHA-512 context + * \param output SHA-384/512 checksum result + */ +void sha512_finish( sha512_context *ctx, unsigned char output[64] ); + +#ifdef __cplusplus +} +#endif + +#else /* POLARSSL_SHA512_ALT */ +#include "sha512_alt.h" +#endif /* POLARSSL_SHA512_ALT */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief Output = SHA-512( input buffer ) + * + * \param input buffer holding the data + * \param ilen length of the input data + * \param output SHA-384/512 checksum result + * \param is384 0 = use SHA512, 1 = use SHA384 + */ +void sha512( const unsigned char *input, size_t ilen, + unsigned char output[64], int is384 ); + +/** + * \brief Output = SHA-512( file contents ) + * + * \param path input file name + * \param output SHA-384/512 checksum result + * \param is384 0 = use SHA512, 1 = use SHA384 + * + * \return 0 if successful, or POLARSSL_ERR_SHA512_FILE_IO_ERROR + */ +int sha512_file( const char *path, unsigned char output[64], int is384 ); + +/** + * \brief SHA-512 HMAC context setup + * + * \param ctx HMAC context to be initialized + * \param is384 0 = use SHA512, 1 = use SHA384 + * \param key HMAC secret key + * \param keylen length of the HMAC key + */ +void sha512_hmac_starts( sha512_context *ctx, const unsigned char *key, + size_t keylen, int is384 ); + +/** + * \brief SHA-512 HMAC process buffer + * + * \param ctx HMAC context + * \param input buffer holding the data + * \param ilen length of the input data + */ +void sha512_hmac_update( sha512_context *ctx, const unsigned char *input, + size_t ilen ); + +/** + * \brief SHA-512 HMAC final digest + * + * \param ctx HMAC context + * \param output SHA-384/512 HMAC checksum result + */ +void sha512_hmac_finish( sha512_context *ctx, unsigned char output[64] ); + +/** + * \brief SHA-512 HMAC context reset + * + * \param ctx HMAC context to be reset + */ +void sha512_hmac_reset( sha512_context *ctx ); + +/** + * \brief Output = HMAC-SHA-512( hmac key, input buffer ) + * + * \param key HMAC secret key + * \param keylen length of the HMAC key + * \param input buffer holding the data + * \param ilen length of the input data + * \param output HMAC-SHA-384/512 result + * \param is384 0 = use SHA512, 1 = use SHA384 + */ +void sha512_hmac( const unsigned char *key, size_t keylen, + const unsigned char *input, size_t ilen, + unsigned char output[64], int is384 ); + +/** + * \brief Checkup routine + * + * \return 0 if successful, or 1 if the test failed + */ +int sha512_self_test( int verbose ); + +/* Internal use */ +void sha512_process( sha512_context *ctx, const unsigned char data[128] ); + +#ifdef __cplusplus +} +#endif + +#endif /* sha512.h */ + +