PEncode.c
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:3k
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- #ifdef DEBUG
- static const char CVS_ID[] = "@(#) $Source: /cvsroot/mozilla/security/nss/lib/pkix/src/Attribute/PEncode.c,v $ $Revision: 1.1 $ $Date: 2000/03/31 19:11:03 $ $Name: NSS_3_1_1_RTM $";
- #endif /* DEBUG */
- #ifndef PKIX_H
- #include "pkix.h"
- #endif /* PKIX_H */
- #ifndef ASN1_H
- #include "asn1.h"
- #endif /* ASN1_H */
- /*
- * nssPKIXAttribute_Encode
- *
- * This routine returns an ASN.1 encoding of the specified
- * NSSPKIXAttribute. {usual rules about itemOpt and arenaOpt}
- * This routine indicates an error (NSS_ERROR_INVALID_DATA)
- * if there are no attribute values (i.e., the last one was removed).
- *
- * The error value may be one of the following values:
- * NSS_ERROR_INVALID_PKIX_ATTRIBUTE
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_DATA
- *
- * Return value:
- * A valid NSSBER pointer upon success
- * NULL upon failure
- */
- NSS_IMPLEMENT NSSBER *
- nssPKIXAttribute_Encode
- (
- NSSPKIXAttribute *a,
- NSSASN1EncodingType encoding,
- NSSBER *rvOpt,
- NSSArena *arenaOpt
- )
- {
- NSSBER *it;
- #ifdef NSSDEBUG
- if( PR_SUCCESS != nssPKIXAttribute_verifyPointer(a) ) {
- return (NSSBER *)NULL;
- }
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (NSSBER *)NULL;
- }
- }
- #endif /* NSSDEBUG */
- switch( encoding ) {
- case NSSASN1BER:
- if( (NSSBER *)NULL != a->ber ) {
- it = a->ber;
- goto done;
- }
- /*FALLTHROUGH*/
- case NSSASN1DER:
- if( (NSSDER *)NULL != a->der ) {
- it = a->der;
- goto done;
- }
- break;
- default:
- nss_SetError(NSS_ERROR_UNSUPPORTED_ENCODING);
- return (NSSBER *)NULL;
- }
- it = nssASN1_EncodeItem(a->arena, (NSSItem *)NULL, a,
- nssPKIXAttribute_template, encoding);
- if( (NSSBER *)NULL == it ) {
- return (NSSBER *)NULL;
- }
- switch( encoding ) {
- case NSSASN1BER:
- a->ber = it;
- break;
- case NSSASN1DER:
- a->der = it;
- break;
- default:
- PR_ASSERT(0);
- break;
- }
- done:
- return nssItem_Duplicate(it, arenaOpt, rvOpt);
- }