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Annotation of embedaddon/bird/lib/sha256.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  *     BIRD Library -- SHA-256 and SHA-224 Hash Functions
        !             3:  *
        !             4:  *     (c) 2015 CZ.NIC z.s.p.o.
        !             5:  *
        !             6:  *     Based on the code from libgcrypt-1.6.0, which is
        !             7:  *     (c) 2003, 2006, 2008, 2009 Free Software Foundation, Inc.
        !             8:  *
        !             9:  *     Can be freely distributed and used under the terms of the GNU GPL.
        !            10:  */
        !            11: 
        !            12: #ifndef _BIRD_SHA256_H_
        !            13: #define _BIRD_SHA256_H_
        !            14: 
        !            15: #include "nest/bird.h"
        !            16: 
        !            17: 
        !            18: #define SHA224_SIZE            28
        !            19: #define SHA224_HEX_SIZE                57
        !            20: #define SHA224_BLOCK_SIZE      64
        !            21: 
        !            22: #define SHA256_SIZE            32
        !            23: #define SHA256_HEX_SIZE                65
        !            24: #define SHA256_BLOCK_SIZE      64
        !            25: 
        !            26: 
        !            27: struct hash_context;
        !            28: 
        !            29: struct sha256_context {
        !            30:   u32  h0, h1, h2, h3, h4, h5, h6, h7;
        !            31:   byte buf[SHA256_BLOCK_SIZE];
        !            32:   uint nblocks;
        !            33:   uint count;
        !            34: };
        !            35: 
        !            36: #define sha224_context sha256_context
        !            37: 
        !            38: 
        !            39: void sha256_init(struct hash_context *ctx);
        !            40: void sha224_init(struct hash_context *ctx);
        !            41: 
        !            42: void sha256_update(struct hash_context *ctx, const byte *buf, uint len);
        !            43: #define sha224_update sha256_update
        !            44: 
        !            45: byte *sha256_final(struct hash_context *ctx);
        !            46: #define sha224_final sha256_final
        !            47: 
        !            48: 
        !            49: #endif /* _BIRD_SHA256_H_ */