asn1_der_decoding2(3) - phpMan

asn1_der_decoding2(3)                        libtasn1                       asn1_der_decoding2(3)



NAME
       asn1_der_decoding2 - API function

SYNOPSIS
       #include <libtasn1.h>

       int  asn1_der_decoding2(asn1_node  *  element,  const  void  *  ider,  int * max_ider_len,
       unsigned int flags, char * errorDescription);

ARGUMENTS
       asn1_node * element
                   pointer to an ASN1 structure.

       const void * ider
                   vector that contains the DER encoding.

       int * max_ider_len
                   pointer to an integer giving the information about the maximal number of bytes
                   occupied  by  *  ider  . The real size of the DER encoding is returned through
                   this pointer.

       unsigned int flags
                   flags controlling the behaviour of the function.

       char * errorDescription
                   null-terminated string contains details when an error occurred.

DESCRIPTION
       Fill the structure * element with values of a DER encoding string. The structure must just
       be created with function asn1_create_element().

       If  ASN1_DECODE_FLAG_ALLOW_PADDING flag is set then the function will ignore padding after
       the decoded DER data. Upon a successful return the value of * max_ider_len will be set  to
       the number of bytes decoded.

       If  ASN1_DECODE_FLAG_STRICT_DER  flag  is  set  then  the  function  will  not  decode any
       BER-encoded elements.

RETURNS
       ASN1_SUCCESS  if  DER  encoding  OK,  ASN1_ELEMENT_NOT_FOUND  if   ELEMENT  is  NULL,  and
       ASN1_TAG_ERROR  or  ASN1_DER_ERROR if the der encoding doesn't match the structure name (*
       ELEMENT deleted).

COPYRIGHT
       Copyright (C) 2006-2015 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  man-
       ual from:

              http://www.gnu.org/software/libtasn1/manual/

libtasn1                                       4.8                          asn1_der_decoding2(3)

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