/*

 * Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH

 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY

 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,

 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM

 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE

 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

 * PERFORMANCE OF THIS SOFTWARE.

 */

/* $Id: hmacsha.h,v 1.9 2009-02-06 23:47:42 tbox Exp $ */

/*! \file isc/hmacsha.h

 * This is the header file for the HMAC-SHA1, HMAC-SHA224, HMAC-SHA256,

 * HMAC-SHA334 and HMAC-SHA512 hash algorithm described in RFC 2104.

 */

#ifndef ISC_HMACSHA_H

#define ISC_HMACSHA_H 1

#include <isc/lang.h>

#include <isc/platform.h>

#include <isc/sha1.h>

#include <isc/sha2.h>

#include <isc/types.h>

#define ISC_HMACSHA1_KEYLENGTH ISC_SHA1_BLOCK_LENGTH

#define ISC_HMACSHA224_KEYLENGTH ISC_SHA224_BLOCK_LENGTH

#define ISC_HMACSHA256_KEYLENGTH ISC_SHA256_BLOCK_LENGTH

#define ISC_HMACSHA384_KEYLENGTH ISC_SHA384_BLOCK_LENGTH

#define ISC_HMACSHA512_KEYLENGTH ISC_SHA512_BLOCK_LENGTH

#ifdef ISC_PLATFORM_OPENSSLHASH

#include <openssl/hmac.h>

typedef HMAC_CTX isc_hmacsha1_t;

typedef HMAC_CTX isc_hmacsha224_t;

typedef HMAC_CTX isc_hmacsha256_t;

typedef HMAC_CTX isc_hmacsha384_t;

typedef HMAC_CTX isc_hmacsha512_t;

#else

typedef struct {

	isc_sha1_t sha1ctx;

	unsigned char key[ISC_HMACSHA1_KEYLENGTH];

} isc_hmacsha1_t;

typedef struct {

	isc_sha224_t sha224ctx;

	unsigned char key[ISC_HMACSHA224_KEYLENGTH];

} isc_hmacsha224_t;

typedef struct {

	isc_sha256_t sha256ctx;

	unsigned char key[ISC_HMACSHA256_KEYLENGTH];

} isc_hmacsha256_t;

typedef struct {

	isc_sha384_t sha384ctx;

	unsigned char key[ISC_HMACSHA384_KEYLENGTH];

} isc_hmacsha384_t;

typedef struct {

	isc_sha512_t sha512ctx;

	unsigned char key[ISC_HMACSHA512_KEYLENGTH];

} isc_hmacsha512_t;

#endif

ISC_LANG_BEGINDECLS

void

isc_hmacsha1_init(isc_hmacsha1_t *ctx, const unsigned char *key,

		  unsigned int len);

void

isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx);

void

isc_hmacsha1_update(isc_hmacsha1_t *ctx, const unsigned char *buf,

		    unsigned int len);

void

isc_hmacsha1_sign(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);

isc_boolean_t

isc_hmacsha1_verify(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len);

void

isc_hmacsha224_init(isc_hmacsha224_t *ctx, const unsigned char *key,

		    unsigned int len);

void

isc_hmacsha224_invalidate(isc_hmacsha224_t *ctx);

void

isc_hmacsha224_update(isc_hmacsha224_t *ctx, const unsigned char *buf,

		      unsigned int len);

void

isc_hmacsha224_sign(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);

isc_boolean_t

isc_hmacsha224_verify(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len);

void

isc_hmacsha256_init(isc_hmacsha256_t *ctx, const unsigned char *key,

		    unsigned int len);

void

isc_hmacsha256_invalidate(isc_hmacsha256_t *ctx);

void

isc_hmacsha256_update(isc_hmacsha256_t *ctx, const unsigned char *buf,

		      unsigned int len);

void

isc_hmacsha256_sign(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);

isc_boolean_t

isc_hmacsha256_verify(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len);

void

isc_hmacsha384_init(isc_hmacsha384_t *ctx, const unsigned char *key,

		    unsigned int len);

void

isc_hmacsha384_invalidate(isc_hmacsha384_t *ctx);

void

isc_hmacsha384_update(isc_hmacsha384_t *ctx, const unsigned char *buf,

		      unsigned int len);

void

isc_hmacsha384_sign(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);

isc_boolean_t

isc_hmacsha384_verify(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len);

void

isc_hmacsha512_init(isc_hmacsha512_t *ctx, const unsigned char *key,

		    unsigned int len);

void

isc_hmacsha512_invalidate(isc_hmacsha512_t *ctx);

void

isc_hmacsha512_update(isc_hmacsha512_t *ctx, const unsigned char *buf,

		      unsigned int len);

void

isc_hmacsha512_sign(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);

isc_boolean_t

isc_hmacsha512_verify(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len);

ISC_LANG_ENDDECLS

#endif /* ISC_HMACSHA_H */