.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.
.TH "asn1_der_decoding" 3 "4.19.0" "libtasn1" "libtasn1"
.SH NAME
asn1_der_decoding \- API function
.SH SYNOPSIS
.B #include <libtasn1.h>
.sp
.BI "int asn1_der_decoding(asn1_node * " element ", const void * " ider ", int " ider_len ", char * " errorDescription ");"
.SH ARGUMENTS
.IP "asn1_node * element" 12
pointer to an ASN1 structure.
.IP "const void * ider" 12
vector that contains the DER encoding.
.IP "int ider_len" 12
number of bytes of * \fIider\fP :  \fIider\fP [0].. \fIider\fP [len\-1].
.IP "char * errorDescription" 12
null\-terminated string contains details when an
error occurred.
.SH "DESCRIPTION"
Fill the structure * \fIelement\fP with values of a DER encoding
string. The structure must just be created with function
\fBasn1_create_element()\fP.

Note that the * \fIelement\fP variable is provided as a pointer for
historical reasons.
.SH "RETURNS"
\fBASN1_SUCCESS\fP if DER encoding OK, \fBASN1_ELEMENT_NOT_FOUND\fP
if  \fIELEMENT\fP is \fBNULL\fP, and \fBASN1_TAG_ERROR\fP or
\fBASN1_DER_ERROR\fP if the der encoding doesn't match the structure
name (* \fIELEMENT\fP deleted).
.SH COPYRIGHT
Copyright \(co 2006-2022 Free Software Foundation, Inc..
.br
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.
.SH "SEE ALSO"
The full documentation for
.B libtasn1
is maintained as a Texinfo manual.  If the
.B info
and
.B libtasn1
programs are properly installed at your site, the command
.IP
.B info libtasn1
.PP
should give you access to the complete manual.
As an alternative you may obtain the manual from:
.IP
.B https://www.gnu.org/software/libtasn1/manual/
.PP