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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file isc/md5.h
* \brief This is the header file for the MD5 message-digest algorithm.
*
* The algorithm is due to Ron Rivest. This code was
* written by Colin Plumb in 1993, no copyright is claimed.
* This code is in the public domain; do with it what you wish.
*
* Equivalent code is available from RSA Data Security, Inc.
* This code has been tested against that, and is equivalent,
* except that you don't need to include two pages of legalese
* with every copy.
*
* To compute the message digest of a chunk of bytes, declare an
* MD5Context structure, pass it to MD5Init, call MD5Update as
* needed on buffers full of bytes, and then call MD5Final, which
* will fill a supplied 16-byte array with the digest.
*
* Changed so as no longer to depend on Colin Plumb's `usual.h'
* header definitions; now uses stuff from dpkg's config.h
* - Ian Jackson <ijackson@nyx.cs.du.edu>.
* Still in the public domain.
*/
#ifndef ISC_MD5_H
#define ISC_MD5_H 1
#include <pk11/site.h>
#ifndef PK11_MD5_DISABLE
#include <stdbool.h>
#include <isc/lang.h>
#include <isc/platform.h>
#include <isc/types.h>
#define ISC_MD5_DIGESTLENGTH 16U
#define ISC_MD5_BLOCK_LENGTH 64U
#ifdef ISC_PLATFORM_OPENSSLHASH
#include <openssl/opensslv.h>
#include <openssl/evp.h>
typedef struct {
EVP_MD_CTX *ctx;
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
EVP_MD_CTX _ctx;
#endif
} isc_md5_t;
#elif PKCS11CRYPTO
#include <pk11/pk11.h>
typedef pk11_context_t isc_md5_t;
#else
typedef struct {
uint32_t buf[4];
uint32_t bytes[2];
uint32_t in[16];
} isc_md5_t;
#endif
ISC_LANG_BEGINDECLS
void
isc_md5_init(isc_md5_t *ctx);
void
isc_md5_invalidate(isc_md5_t *ctx);
void
isc_md5_update(isc_md5_t *ctx, const unsigned char *buf, unsigned int len);
void
isc_md5_final(isc_md5_t *ctx, unsigned char *digest);
bool
isc_md5_check(bool testing);
bool
isc_md5_available(void);
ISC_LANG_ENDDECLS
#endif /* !PK11_MD5_DISABLE */
#endif /* ISC_MD5_H */
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