md5.h revision dafcb997e390efa4423883dafd100c975c4095d6
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews/*
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * Copyright (C) 2000, 2001 Internet Software Consortium.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt *
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * Permission to use, copy, modify, and distribute this software for any
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * purpose with or without fee is hereby granted, provided that the above
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * copyright notice and this permission notice appear in all copies.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt *
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * PERFORMANCE OF THIS SOFTWARE.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt */
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt/* $Id: md5.h,v 1.9 2004/03/05 05:10:58 marka Exp $ */
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt/*
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * This is the header file for the MD5 message-digest algorithm.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * The algorithm is due to Ron Rivest. This code was
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * written by Colin Plumb in 1993, no copyright is claimed.
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews * This code is in the public domain; do with it what you wish.
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews *
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews * Equivalent code is available from RSA Data Security, Inc.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * This code has been tested against that, and is equivalent,
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * except that you don't need to include two pages of legalese
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * with every copy.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt *
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * To compute the message digest of a chunk of bytes, declare an
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * MD5Context structure, pass it to MD5Init, call MD5Update as
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * needed on buffers full of bytes, and then call MD5Final, which
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews * will fill a supplied 16-byte array with the digest.
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews *
4a53e3c2b83c476a93148eaee0272649beb221caMark Andrews * Changed so as no longer to depend on Colin Plumb's `usual.h'
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * header definitions; now uses stuff from dpkg's config.h
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * - Ian Jackson <ijackson@nyx.cs.du.edu>.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt * Still in the public domain.
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt */
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt#ifndef ISC_MD5_H
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt#define ISC_MD5_H 1
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt#include <isc/lang.h>
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt#include <isc/types.h>
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt#define ISC_MD5_DIGESTLENGTH 16
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunttypedef struct {
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt isc_uint32_t buf[4];
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt isc_uint32_t bytes[2];
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt isc_uint32_t in[16];
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt} isc_md5_t;
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan HuntISC_LANG_BEGINDECLS
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntvoid
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntisc_md5_init(isc_md5_t *ctx);
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntvoid
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntisc_md5_invalidate(isc_md5_t *ctx);
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntvoid
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntisc_md5_update(isc_md5_t *ctx, const unsigned char *buf, unsigned int len);
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntvoid
ef421f66f47224a42073deaf087378c5d0c9952eEvan Huntisc_md5_final(isc_md5_t *ctx, unsigned char *digest);
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan HuntISC_LANG_ENDDECLS
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt#endif /* ISC_MD5_H */
ef421f66f47224a42073deaf087378c5d0c9952eEvan Hunt