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/*
* BIRD Library -- SHA-512 and SHA-384 Hash Functions,
* HMAC-SHA-512 and HMAC-SHA-384 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 "lib/sha256.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 sha512_state
{
u64 h0, h1, h2, h3, h4, h5, h6, h7;
};
struct sha512_context
{
struct sha256_context bctx;
struct sha512_state state;
};
#define sha384_context sha512_context /* aliasing 'struct sha384_context' to 'struct sha512_context' */
void sha512_init(struct sha512_context *ctx);
void sha384_init(struct sha384_context *ctx);
void sha512_update(struct sha512_context *ctx, const byte *in_buf, size_t in_len);
static inline void sha384_update(struct sha384_context *ctx, const byte *in_buf, size_t in_len)
{
sha512_update(ctx, in_buf, in_len);
}
byte* sha512_final(struct sha512_context *ctx);
static inline byte* sha384_final(struct sha384_context *ctx)
{
return sha512_final(ctx);
}
/*
* HMAC-SHA512, HMAC-SHA384
*/
struct sha512_hmac_context
{
struct sha512_context ictx;
struct sha512_context octx;
} ;
#define sha384_hmac_context sha512_hmac_context /* aliasing 'struct sha384_hmac_context' to 'struct sha384_hmac_context' */
void sha512_hmac_init(struct sha512_hmac_context *ctx, const byte *key, size_t keylen);
void sha384_hmac_init(struct sha384_hmac_context *ctx, const byte *key, size_t keylen);
void sha512_hmac_update(struct sha512_hmac_context *ctx, const byte *buf, size_t buflen);
void sha384_hmac_update(struct sha384_hmac_context *ctx, const byte *buf, size_t buflen);
byte *sha512_hmac_final(struct sha512_hmac_context *ctx);
byte *sha384_hmac_final(struct sha384_hmac_context *ctx);
#endif /* _BIRD_SHA512_H_ */
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