mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-11-15 07:38:43 +00:00
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*
|
|
* BIRD Library -- SHA-256 and SHA-224 Hash Functions,
|
|
* HMAC-SHA-256 and HMAC-SHA-224 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 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 sha256_context *ctx);
|
|
void sha224_init(struct sha224_context *ctx);
|
|
|
|
void sha256_update(struct sha256_context *ctx, const byte *buf, size_t len);
|
|
static inline void sha224_update(struct sha224_context *ctx, const byte *buf, size_t len)
|
|
{ sha256_update(ctx, buf, len); }
|
|
|
|
byte *sha256_final(struct sha256_context *ctx);
|
|
static inline byte *sha224_final(struct sha224_context *ctx)
|
|
{ return sha256_final(ctx); }
|
|
|
|
|
|
/*
|
|
* HMAC-SHA256, HMAC-SHA224
|
|
*/
|
|
|
|
struct sha256_hmac_context
|
|
{
|
|
struct sha256_context ictx;
|
|
struct sha256_context octx;
|
|
};
|
|
|
|
#define sha224_hmac_context sha256_hmac_context
|
|
|
|
|
|
void sha256_hmac_init(struct sha256_hmac_context *ctx, const byte *key, size_t keylen);
|
|
void sha224_hmac_init(struct sha224_hmac_context *ctx, const byte *key, size_t keylen);
|
|
|
|
void sha256_hmac_update(struct sha256_hmac_context *ctx, const byte *buf, size_t buflen);
|
|
void sha224_hmac_update(struct sha224_hmac_context *ctx, const byte *buf, size_t buflen);
|
|
|
|
byte *sha256_hmac_final(struct sha256_hmac_context *ctx);
|
|
byte *sha224_hmac_final(struct sha224_hmac_context *ctx);
|
|
|
|
|
|
#endif /* _BIRD_SHA256_H_ */
|