NAME¶
asn1_length_der - API function
SYNOPSIS¶
#include <libtasn1.h>
void asn1_length_der(unsigned long int len, unsigned char *
der, int * der_len);
ARGUMENTS¶
- unsigned long int len
- value to convert.
- unsigned char * der
- buffer to hold the returned encoding (may be
NULL).
- int * der_len
- number of meaningful bytes of ANS
(der[0]..der[der_len-1]).
DESCRIPTION¶
Creates the DER encoding of the provided length value. The
der buffer
must have enough room for the output. The maximum length this function will
encode is
ASN1_MAX_LENGTH_SIZE.
To know the size of the DER encoding use a
NULL value for
der .
COPYRIGHT¶
Copyright © 2006-2013 Free Software Foundation, Inc..
Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice and this
notice are preserved.
SEE ALSO¶
The full documentation for
libtasn1 is maintained as a Texinfo manual. If
the
info and
libtasn1 programs are properly installed at your
site, the command
- info libtasn1
should give you access to the complete manual. As an alternative you may obtain
the manual from:
- http://www.gnu.org/software/libtasn1/manual/