shishi_asn1_to_der_field - API function

       Shishi * handle
                   shishi handle as allocated by shishi_init().

       Shishi_asn1 node
                   ASN.1 data that have field to extract.

       const char * field
                   name of field in node to extract.

       char ** der output array that holds DER encoding of field in node.

       size_t * len
                   output variable with length of der output array.

       Copyright © 2002-2022 Simon Josefsson.
       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.

       Extract newly allocated DER representation of specified ASN.1 field.

       shishi_asn1_to_der_field - API function

       Report bugs to <bug-shishi@gnu.org>.  GNU Shishi home page:  http://www.gnu.org/software/shishi/  General
       help using GNU software: http://www.gnu.org/gethelp/

       Returns  SHISHI_OK  if successful, or SHISHI_ASN1_ERROR if DER encoding fails (common reasons for this is
       that the ASN.1 is missing required values).

       The full documentation for shishi is maintained as a Texinfo manual.  If the info and shishi programs are
       properly installed at your site, the command

              infoshishi

       should give you access to the complete manual.

shishi                                                1.0.3                          shishi_asn1_to_der_field(3)

#include<shishi.h>intshishi_asn1_to_der_field(Shishi*handle,Shishi_asn1node,constchar*field,char**der,size_t*len);