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Man Pages
asn1_der_decoding_element(3) libtasn1 asn1_der_decoding_element(3)

asn1_der_decoding_element - API function

#include <libtasn1.h>

int asn1_der_decoding_element(asn1_node * structure, const char * elementName, const void * ider, int len, char * errorDescription);

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 structure.
int len
number of bytes of *der: der[0]..der[len-1]
char * errorDescription
null-terminated string contains details when an error occurred.

Fill the element named ELEMENTNAME with values of a DER encoding string. The structure must just be created with function asn1_create_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_decoding in future versions. Use asn1_der_decoding() instead.

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 © 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 notice and this notice are preserved.

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/
4.18.0 libtasn1

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