asn1_der_decoding_element(3) libtasn1 asn1_der_decoding_element(3)
NAME
asn1_der_decoding_element - API function
SYNOPSIS
#include <libtasn1.h>
int asn1_der_decoding_element(asn1_node * structure, const char * ele-
mentName, const void * ider, int len, char * errorDescription);
ARGUMENTS
asn1_node * structure
pointer to an ASN1 structure
const char * elementName
name of the element to fill
const void * ider
vector that contains the DER encoding of the whole struc-
ture.
int len number of bytes of *der: der[0]..der[len-1]
char * errorDescription
null-terminated string contains details when an error oc-
curred.
DESCRIPTION
Fill the element named ELEMENTNAME with values of a DER encoding
string. The structure must just be created with function asn1_cre-
ate_element(). The DER vector must contain the encoding string of the
whole STRUCTURE . If an error occurs during the decoding procedure,
the * STRUCTURE is deleted and set equal to NULL.
This function is deprecated and may just be an alias to asn1_der_decod-
ing in future versions. Use asn1_der_decoding() instead.
RETURNS
ASN1_SUCCESS if DER encoding OK, ASN1_ELEMENT_NOT_FOUND if ELEMENT is
NULL or elementName == NULL, and ASN1_TAG_ERROR or ASN1_DER_ERROR if
the der encoding doesn't match the structure structure (*ELEMENT
deleted).
COPYRIGHT
Copyright © 2006-2021 Free Software Foundation, Inc..
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright no-
tice 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:
https://www.gnu.org/software/libtasn1/manual/
libtasn1 4.18.0 asn1_der_decoding_element(3)
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