NAME¶
asn1_get_length_der - API function
SYNOPSIS¶
#include <libtasn1.h>
long asn1_get_length_der(const unsigned char * der, int
der_len, int * len);
ARGUMENTS¶
- const unsigned char * der
- DER data to decode.
- int der_len
- Length of DER data to decode.
- int * len
- Output variable containing the length of the DER length field.
DESCRIPTION¶
Extract a length field from DER data.
RETURNS¶
Return the decoded length value, or -1 on indefinite length, or -2 when the
value was too big to fit in a int, or -4 when the decoded length value plus
len would exceed
der_len .
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/