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//==========================================================================
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//
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// ./lib/current/include/md5.h
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//
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//####UCDSNMPCOPYRIGHTBEGIN####
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//
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// -------------------------------------------
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//
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// Portions of this software may have been derived from the UCD-SNMP
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// project, <http://ucd-snmp.ucdavis.edu/> from the University of
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// California at Davis, which was originally based on the Carnegie Mellon
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// University SNMP implementation. Portions of this software are therefore
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// covered by the appropriate copyright disclaimers included herein.
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//
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// The release used was version 4.1.2 of May 2000. "ucd-snmp-4.1.2"
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// -------------------------------------------
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//
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//####UCDSNMPCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): hmt
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// Contributors: hmt
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// Date: 2000-05-30
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// Purpose: Port of UCD-SNMP distribution to eCos.
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// Description:
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//
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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/********************************************************************
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Copyright 1989, 1991, 1992 by Carnegie Mellon University
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Derivative Work -
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Copyright 1996, 1998, 1999, 2000 The Regents of the University of California
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All Rights Reserved
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Permission to use, copy, modify and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appears in all copies and
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that both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of CMU and The Regents of
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the University of California not be used in advertising or publicity
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pertaining to distribution of the software without specific written
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permission.
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CMU AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DISCLAIM ALL
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WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CMU OR
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THE REGENTS OF THE UNIVERSITY OF CALIFORNIA BE LIABLE FOR ANY SPECIAL,
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INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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FROM THE LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*********************************************************************/
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/*
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** **************************************************************************
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** md5.h -- Header file for implementation of MD5 Message Digest Algorithm **
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** Updated: 2/13/90 by Ronald L. Rivest **
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** (C) 1990 RSA Data Security, Inc. **
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** **************************************************************************
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*/
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#ifndef MD5_H
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#define MD5_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* MDstruct is the data structure for a message digest computation.
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*/
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typedef struct {
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unsigned int buffer[4]; /* Holds 4-word result of MD computation */
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unsigned char count[8]; /* Number of bits processed so far */
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unsigned int done; /* Nonzero means MD computation finished */
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} MDstruct, *MDptr;
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/* MDbegin(MD)
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** Input: MD -- an MDptr
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** Initialize the MDstruct prepatory to doing a message digest computation.
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*/
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extern void MDbegin (MDptr);
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/* MDupdate(MD,X,count)
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** Input: MD -- an MDptr
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** X -- a pointer to an array of unsigned characters.
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** count -- the number of bits of X to use (an unsigned int).
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** Updates MD using the first ``count'' bits of X.
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** The array pointed to by X is not modified.
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** If count is not a multiple of 8, MDupdate uses high bits of last byte.
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** This is the basic input routine for a user.
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** The routine terminates the MD computation when count < 512, so
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** every MD computation should end with one call to MDupdate with a
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** count less than 512. Zero is OK for a count.
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*/
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extern int MDupdate (MDptr, unsigned char *, unsigned int);
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/* MDprint(MD)
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** Input: MD -- an MDptr
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** Prints message digest buffer MD as 32 hexadecimal digits.
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** Order is from low-order byte of buffer[0] to high-order byte of buffer[3].
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** Each byte is printed with high-order hexadecimal digit first.
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*/
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extern void MDprint (MDptr);
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int MDchecksum(u_char *data, size_t len, u_char *mac, size_t maclen);
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int MDsign(u_char *data, size_t len, u_char *mac, size_t maclen,
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u_char *secret, size_t secretlen);
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void MDget(MDstruct *MD, u_char *buf, size_t buflen);
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/*
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** End of md5.h
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****************************(cut)*****************************************/
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#ifdef __cplusplus
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}
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#endif
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#endif /* MD5_H */
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