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bird/lib/sha512.h
Ondrej Zajicek (work) de2a27e255 Add generic message authentication interface
Add generic interface for generating and verifying MACs (message
authentication codes). Replace multiple HMAC implementation with
a generic one.
2016-11-02 16:23:53 +01:00

50 lines
1.0 KiB
C

/*
* BIRD Library -- SHA-512 and SHA-384 Hash Functions
*
* (c) 2015 CZ.NIC z.s.p.o.
*
* Based on the code from libgcrypt-1.6.0, which is
* (c) 2003, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_SHA512_H_
#define _BIRD_SHA512_H_
#include "nest/bird.h"
#define SHA384_SIZE 48
#define SHA384_HEX_SIZE 97
#define SHA384_BLOCK_SIZE 128
#define SHA512_SIZE 64
#define SHA512_HEX_SIZE 129
#define SHA512_BLOCK_SIZE 128
struct hash_context;
struct sha512_context {
u64 h0, h1, h2, h3, h4, h5, h6, h7;
byte buf[SHA512_BLOCK_SIZE];
uint nblocks;
uint count;
};
#define sha384_context sha512_context
void sha512_init(struct hash_context *ctx);
void sha384_init(struct hash_context *ctx);
void sha512_update(struct hash_context *ctx, const byte *buf, uint len);
#define sha384_update sha512_update
byte *sha512_final(struct hash_context *ctx);
#define sha384_final sha512_final
#endif /* _BIRD_SHA512_H_ */