NAME

       asn1_get_tag_der - API function

SYNOPSIS

       #include <libtasn1.h>

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

ARGUMENTS

       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).

DESCRIPTION

       Decode the class and TAG from DER code.

RETURNS

       Returns ASN1_SUCCESS on success, or an error.

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 notice 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/