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sec-add-1.c

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  • Forked from Nettle / nettle
    Source project has a limited visibility.
    sha2.h 4.83 KiB
    /* sha2.h
    
       The sha2 family of hash functions.
    
       Copyright (C) 2001, 2012 Niels Möller
    
       This file is part of GNU Nettle.
    
       GNU Nettle is free software: you can redistribute it and/or
       modify it under the terms of either:
    
         * the GNU Lesser General Public License as published by the Free
           Software Foundation; either version 3 of the License, or (at your
           option) any later version.
    
       or
    
         * 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.
    
       or both in parallel, as here.
    
       GNU Nettle 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 copies of the GNU General Public License and
       the GNU Lesser General Public License along with this program.  If
       not, see http://www.gnu.org/licenses/.
    */
     
    #ifndef NETTLE_SHA2_H_INCLUDED
    #define NETTLE_SHA2_H_INCLUDED
    
    #include "nettle-types.h"
    
    #ifdef __cplusplus
    extern "C" {
    #endif
    
    /* Name mangling */
    #define sha224_init nettle_sha224_init
    #define sha224_digest nettle_sha224_digest
    #define sha256_init nettle_sha256_init
    #define sha256_update nettle_sha256_update
    #define sha256_digest nettle_sha256_digest
    #define sha384_init nettle_sha384_init
    #define sha384_digest nettle_sha384_digest
    #define sha512_init nettle_sha512_init
    #define sha512_update nettle_sha512_update
    #define sha512_digest nettle_sha512_digest
    #define sha512_224_init   nettle_sha512_224_init
    #define sha512_224_digest nettle_sha512_224_digest
    #define sha512_256_init   nettle_sha512_256_init
    #define sha512_256_digest nettle_sha512_256_digest
    
    /* For backwards compatibility */
    #define SHA224_DATA_SIZE SHA256_BLOCK_SIZE
    #define SHA256_DATA_SIZE SHA256_BLOCK_SIZE
    #define SHA512_DATA_SIZE SHA512_BLOCK_SIZE
    #define SHA384_DATA_SIZE SHA512_BLOCK_SIZE
    
    /* SHA256 */
    
    #define SHA256_DIGEST_SIZE 32
    #define SHA256_BLOCK_SIZE 64
    
    /* Digest is kept internally as 8 32-bit words. */