mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-11-18 00:58:42 +00:00
de2a27e255
Add generic interface for generating and verifying MACs (message authentication codes). Replace multiple HMAC implementation with a generic one.
50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
/*
|
|
* BIRD Library -- SHA-256 and SHA-224 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_SHA256_H_
|
|
#define _BIRD_SHA256_H_
|
|
|
|
#include "nest/bird.h"
|
|
|
|
|
|
#define SHA224_SIZE 28
|
|
#define SHA224_HEX_SIZE 57
|
|
#define SHA224_BLOCK_SIZE 64
|
|
|
|
#define SHA256_SIZE 32
|
|
#define SHA256_HEX_SIZE 65
|
|
#define SHA256_BLOCK_SIZE 64
|
|
|
|
|
|
struct hash_context;
|
|
|
|
struct sha256_context {
|
|
u32 h0, h1, h2, h3, h4, h5, h6, h7;
|
|
byte buf[SHA256_BLOCK_SIZE];
|
|
uint nblocks;
|
|
uint count;
|
|
};
|
|
|
|
#define sha224_context sha256_context
|
|
|
|
|
|
void sha256_init(struct hash_context *ctx);
|
|
void sha224_init(struct hash_context *ctx);
|
|
|
|
void sha256_update(struct hash_context *ctx, const byte *buf, uint len);
|
|
#define sha224_update sha256_update
|
|
|
|
byte *sha256_final(struct hash_context *ctx);
|
|
#define sha224_final sha256_final
|
|
|
|
|
|
#endif /* _BIRD_SHA256_H_ */
|