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212 lines
7.4 KiB
C
212 lines
7.4 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _SECDER_H_
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#define _SECDER_H_
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#include "utilrename.h"
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/*
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* secder.h - public data structures and prototypes for the DER encoding and
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* decoding utilities library
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*
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* $Id: secder.h,v 1.13 2008/06/18 01:04:23 wtc%google.com Exp $
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*/
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#if defined(_WIN32_WCE)
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#else
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#include <time.h>
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#endif
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#include "plarena.h"
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#include "prlong.h"
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#include "seccomon.h"
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#include "secdert.h"
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#include "prtime.h"
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SEC_BEGIN_PROTOS
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/*
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** Encode a data structure into DER.
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** "dest" will be filled in (and memory allocated) to hold the der
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** encoded structure in "src"
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** "t" is a template structure which defines the shape of the
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** stored data
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** "src" is a pointer to the structure that will be encoded
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*/
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extern SECStatus DER_Encode(PLArenaPool *arena, SECItem *dest, DERTemplate *t,
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void *src);
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extern SECStatus DER_Lengths(SECItem *item, int *header_len_p,
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PRUint32 *contents_len_p);
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/*
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** Lower level der subroutine that stores the standard header into "to".
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** The header is of variable length, based on encodingLen.
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** The return value is the new value of "to" after skipping over the header.
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** "to" is where the header will be stored
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** "code" is the der code to write
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** "encodingLen" is the number of bytes of data that will follow
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** the header
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*/
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extern unsigned char *DER_StoreHeader(unsigned char *to, unsigned int code,
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PRUint32 encodingLen);
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/*
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** Return the number of bytes it will take to hold a der encoded length.
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*/
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extern int DER_LengthLength(PRUint32 len);
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/*
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** Store a der encoded *signed* integer (whose value is "src") into "dst".
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** XXX This should really be enhanced to take a long.
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*/
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extern SECStatus DER_SetInteger(PLArenaPool *arena, SECItem *dst, PRInt32 src);
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/*
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** Store a der encoded *unsigned* integer (whose value is "src") into "dst".
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** XXX This should really be enhanced to take an unsigned long.
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*/
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extern SECStatus DER_SetUInteger(PLArenaPool *arena, SECItem *dst, PRUint32 src);
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/*
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** Decode a der encoded *signed* integer that is stored in "src".
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** If "-1" is returned, then the caller should check the error in
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** XP_GetError() to see if an overflow occurred (SEC_ERROR_BAD_DER).
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*/
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extern long DER_GetInteger(SECItem *src);
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/*
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** Decode a der encoded *unsigned* integer that is stored in "src".
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** If the ULONG_MAX is returned, then the caller should check the error
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** in XP_GetError() to see if an overflow occurred (SEC_ERROR_BAD_DER).
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*/
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extern unsigned long DER_GetUInteger(SECItem *src);
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/*
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** Convert an NSPR time value to a der encoded time value.
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** "result" is the der encoded time (memory is allocated)
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** "time" is the NSPR time value (Since Jan 1st, 1970).
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** time must be on or after January 1, 1950, and
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** before January 1, 2050
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** The caller is responsible for freeing up the buffer which
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** result->data points to upon a successful operation.
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*/
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extern SECStatus DER_TimeToUTCTime(SECItem *result, PRTime time);
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extern SECStatus DER_TimeToUTCTimeArena(PLArenaPool* arenaOpt,
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SECItem *dst, PRTime gmttime);
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/*
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** Convert an ascii encoded time value (according to DER rules) into
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** an NSPR time value.
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** "result" the resulting NSPR time
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** "string" the der notation ascii value to decode
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*/
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extern SECStatus DER_AsciiToTime(PRTime *result, const char *string);
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/*
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** Same as DER_AsciiToTime except takes an SECItem instead of a string
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*/
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extern SECStatus DER_UTCTimeToTime(PRTime *result, const SECItem *time);
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/*
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** Convert a DER encoded UTC time to an ascii time representation
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** "utctime" is the DER encoded UTC time to be converted. The
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** caller is responsible for deallocating the returned buffer.
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*/
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extern char *DER_UTCTimeToAscii(SECItem *utcTime);
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/*
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** Convert a DER encoded UTC time to an ascii time representation, but only
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** include the day, not the time.
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** "utctime" is the DER encoded UTC time to be converted.
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** The caller is responsible for deallocating the returned buffer.
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*/
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extern char *DER_UTCDayToAscii(SECItem *utctime);
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/* same thing for DER encoded GeneralizedTime */
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extern char *DER_GeneralizedDayToAscii(SECItem *gentime);
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/* same thing for either DER UTCTime or GeneralizedTime */
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extern char *DER_TimeChoiceDayToAscii(SECItem *timechoice);
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/*
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** Convert a PRTime time to a DER encoded Generalized time
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** gmttime must be on or after January 1, year 1 and
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** before January 1, 10000.
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*/
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extern SECStatus DER_TimeToGeneralizedTime(SECItem *dst, PRTime gmttime);
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extern SECStatus DER_TimeToGeneralizedTimeArena(PLArenaPool* arenaOpt,
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SECItem *dst, PRTime gmttime);
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/*
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** Convert a DER encoded Generalized time value into an NSPR time value.
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** "dst" the resulting NSPR time
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** "string" the der notation ascii value to decode
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*/
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extern SECStatus DER_GeneralizedTimeToTime(PRTime *dst, const SECItem *time);
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/*
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** Convert from a PRTime UTC time value to a formatted ascii value. The
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** caller is responsible for deallocating the returned buffer.
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*/
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extern char *CERT_UTCTime2FormattedAscii (PRTime utcTime, char *format);
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#define CERT_GeneralizedTime2FormattedAscii CERT_UTCTime2FormattedAscii
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/*
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** Convert from a PRTime Generalized time value to a formatted ascii value. The
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** caller is responsible for deallocating the returned buffer.
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*/
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extern char *CERT_GenTime2FormattedAscii (PRTime genTime, char *format);
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/*
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** decode a SECItem containing either a SEC_ASN1_GENERALIZED_TIME
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** or a SEC_ASN1_UTC_TIME
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*/
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extern SECStatus DER_DecodeTimeChoice(PRTime* output, const SECItem* input);
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/* encode a PRTime to an ASN.1 DER SECItem containing either a
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SEC_ASN1_GENERALIZED_TIME or a SEC_ASN1_UTC_TIME */
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extern SECStatus DER_EncodeTimeChoice(PLArenaPool* arena, SECItem* output,
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PRTime input);
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SEC_END_PROTOS
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#endif /* _SECDER_H_ */
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