asn1_get_tag_der (3) - Linux Manuals

asn1_get_tag_der: API function


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.


Decode the class and TAG from DER code.


Returns ASN1_SUCCESS on success, or an error.


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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

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