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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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/*! \file isc/hmacsha.h

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

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

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#ifndef ISC_HMACSHA_H

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#define ISC_HMACSHA_H 1

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#include <stdbool.h>

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#include <isc/lang.h>

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#include <isc/platform.h>

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#include <isc/sha1.h>

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#include <isc/sha2.h>

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#include <isc/types.h>

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#define ISC_HMACSHA1_KEYLENGTH ISC_SHA1_BLOCK_LENGTH

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#define ISC_HMACSHA224_KEYLENGTH ISC_SHA224_BLOCK_LENGTH

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#define ISC_HMACSHA256_KEYLENGTH ISC_SHA256_BLOCK_LENGTH

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#define ISC_HMACSHA384_KEYLENGTH ISC_SHA384_BLOCK_LENGTH

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#define ISC_HMACSHA512_KEYLENGTH ISC_SHA512_BLOCK_LENGTH

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#ifdef ISC_PLATFORM_OPENSSLHASH

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#include <openssl/opensslv.h>

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#include <openssl/hmac.h>

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typedef struct {

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HMAC_CTX *ctx;

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#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)

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HMAC_CTX _ctx;

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#endif

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} isc_hmacsha_t;

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typedef isc_hmacsha_t isc_hmacsha1_t;

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typedef isc_hmacsha_t isc_hmacsha224_t;

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typedef isc_hmacsha_t isc_hmacsha256_t;

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typedef isc_hmacsha_t isc_hmacsha384_t;

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typedef isc_hmacsha_t isc_hmacsha512_t;

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#elif PKCS11CRYPTO

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#include <pk11/pk11.h>

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typedef pk11_context_t isc_hmacsha1_t;

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typedef pk11_context_t isc_hmacsha224_t;

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typedef pk11_context_t isc_hmacsha256_t;

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typedef pk11_context_t isc_hmacsha384_t;

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typedef pk11_context_t isc_hmacsha512_t;

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#else

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typedef struct {

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isc_sha1_t sha1ctx;

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unsigned char key[ISC_HMACSHA1_KEYLENGTH];

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} isc_hmacsha1_t;

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typedef struct {

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isc_sha224_t sha224ctx;

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unsigned char key[ISC_HMACSHA224_KEYLENGTH];

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} isc_hmacsha224_t;

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typedef struct {

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isc_sha256_t sha256ctx;

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unsigned char key[ISC_HMACSHA256_KEYLENGTH];

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} isc_hmacsha256_t;

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typedef struct {

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isc_sha384_t sha384ctx;

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unsigned char key[ISC_HMACSHA384_KEYLENGTH];

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} isc_hmacsha384_t;

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typedef struct {

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isc_sha512_t sha512ctx;

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unsigned char key[ISC_HMACSHA512_KEYLENGTH];

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} isc_hmacsha512_t;

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#endif

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ISC_LANG_BEGINDECLS

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void

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

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unsigned int len);

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void

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isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx);

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void

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

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unsigned int len);

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void

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

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bool

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

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bool

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isc_hmacsha1_check(int testing);

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void

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

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unsigned int len);

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void

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isc_hmacsha224_invalidate(isc_hmacsha224_t *ctx);

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void

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

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unsigned int len);

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void

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

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bool

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

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void

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

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unsigned int len);

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void

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isc_hmacsha256_invalidate(isc_hmacsha256_t *ctx);

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void

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

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unsigned int len);

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void

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

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bool

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

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void

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

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unsigned int len);

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void

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isc_hmacsha384_invalidate(isc_hmacsha384_t *ctx);

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void

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

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unsigned int len);

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void

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

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bool

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

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void

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

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unsigned int len);

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void

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isc_hmacsha512_invalidate(isc_hmacsha512_t *ctx);

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void

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

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unsigned int len);

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void

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

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bool

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

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ISC_LANG_ENDDECLS

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#endif /* ISC_HMACSHA_H */

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