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asn1_get_octet_der(3)              libtasn1              asn1_get_octet_der(3)

NAME
       asn1_get_octet_der - API function

SYNOPSIS
       #include <libtasn1.h>

       int asn1_get_octet_der(const unsigned char * der, int der_len, int *
       ret_len, unsigned char * str, int str_size, int * str_len);

ARGUMENTS
       const unsigned char * der
                   DER data to decode containing the OCTET SEQUENCE.

       int der_len The length of the  der data to decode.

       int * ret_len
                   Output variable containing the encoded length of the DER
                   data.

       unsigned char * str
                   Pre-allocated output buffer to put decoded OCTET SEQUENCE
                   in.

       int str_size
                   Length of pre-allocated output buffer.

       int * str_len
                   Output variable containing the length of the contents of
                   the OCTET SEQUENCE.

DESCRIPTION
       Extract an OCTET SEQUENCE from DER data. Note that this function
       expects the DER data past the tag field, i.e., the length and content
       octets.

RETURNS
       Returns ASN1_SUCCESS on success, or an error.

COPYRIGHT
       Copyright (C) 2006-2022 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/

libtasn1                            4.19.0               asn1_get_octet_der(3)