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NAME

       asn1_get_length_der - API function

SYNOPSIS

       #include <libtasn1.h>

       signed long asn1_get_length_der(const unsigned char * der, int der_len,
       int * len);

ARGUMENTS

       const unsigned char * der
                   DER data to decode.

       int der_len Length of DER data to decode.

       int * len   Output variable containing the length  of  the  DER  length
                   field.

DESCRIPTION

       Extract a length field from DER data.

RETURNS

       Return the decoded length value, or -1 on indefinite length, or -2 when
       the value was too big.

COPYRIGHT

       Copyright © 2006, 2007, 2008,  2009,  2010  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.