summaryrefslogtreecommitdiff
path: root/src/include/common/hmac.h
blob: e0b2ed202411f89993311c0b4e64621f8b6efe28 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/*-------------------------------------------------------------------------
 *
 * hmac.h
 *	  Generic headers for HMAC
 *
 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * IDENTIFICATION
 *		  src/include/common/hmac.h
 *
 *-------------------------------------------------------------------------
 */

#ifndef PG_HMAC_H
#define PG_HMAC_H

#include "common/cryptohash.h"

/* opaque context, private to each HMAC implementation */
typedef struct pg_hmac_ctx pg_hmac_ctx;

extern pg_hmac_ctx *pg_hmac_create(pg_cryptohash_type type);
extern int	pg_hmac_init(pg_hmac_ctx *ctx, const uint8 *key, size_t len);
extern int	pg_hmac_update(pg_hmac_ctx *ctx, const uint8 *data, size_t len);
extern int	pg_hmac_final(pg_hmac_ctx *ctx, uint8 *dest, size_t len);
extern void pg_hmac_free(pg_hmac_ctx *ctx);
extern const char *pg_hmac_error(pg_hmac_ctx *ctx);

#endif							/* PG_HMAC_H */