Manpages - asn1_get_tag_der.3

asn1_get_tag_der - API function

#include <libtasn1.h>

int asn1_get_tag_der(const unsigned char * */der/, int der_len, unsigned char * cls, int * len, unsigned long * tag);*

const unsigned char * der

DER data to decode.

int der_len

Length of DER data to decode.

unsigned char * cls

Output variable containing decoded class.

int * len

Output variable containing the length of the DER TAG data.

unsigned long * tag

Output variable containing the decoded tag (may be NULL).

Decode the class and TAG from DER code.

Returns ASN1_SUCCESS on success, or an error.

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