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//==========================================================================
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//
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// ./lib/current/include/keytools.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 Red Hat, 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 version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// 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 along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-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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* keytools.h
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*/
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#ifndef _KEYTOOLS_H
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#define _KEYTOOLS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define USM_LENGTH_EXPANDED_PASSPHRASE (1024 * 1024) /* 1Meg. */
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#define USM_LENGTH_KU_HASHBLOCK 64 /* In bytes. */
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#define USM_LENGTH_P_MIN 8 /* In characters. */
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/* Recommended practice given in <draft-ietf-snmpv3-usm-v2-02.txt>,
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* Section 11.2 "Defining Users". Move into cmdline app argument
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* parsing, and out of the internal routine? XXX
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*/
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/*
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* Prototypes.h
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*/
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int generate_Ku ( oid *hashtype, u_int hashtype_len,
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u_char *P, size_t pplen,
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u_char *Ku, size_t *kulen);
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int generate_kul ( oid *hashtype, u_int hashtype_len,
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u_char *engineID, size_t engineID_len,
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u_char *Ku, size_t ku_len,
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u_char *Kul, size_t *kul_len);
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int encode_keychange ( oid *hashtype, u_int hashtype_len,
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u_char *oldkey, size_t oldkey_len,
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u_char *newkey, size_t newkey_len,
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u_char *kcstring, size_t *kcstring_len);
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int decode_keychange ( oid *hashtype, u_int hashtype_len,
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u_char *oldkey, size_t oldkey_len,
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u_char *kcstring, size_t kcstring_len,
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u_char *newkey, size_t *newkey_len);
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/*
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* All functions devolve to the following block if we can't do cryptography
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*/
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#define _KEYTOOLS_NOT_AVAILABLE \
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{ \
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return SNMPERR_KT_NOT_AVAILABLE; \
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KEYTOOLS_H */
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