gnutls_decode_gost_rs_value(3)

NAME
gnutls_decode_gost_rs_value - API function

SYNOPSIS
#include <gnutls/crypto.h>

int gnutls_decode_gost_rs_value(const gnutls_datum_t * sig_value, gnutls_datum_t * r, gnutls_datum_t * s);

ARGUMENTS

const gnutls_datum_t * sig_value
    will holds a GOST signature according to RFC 4491 section 2.2.2

gnutls_datum_t * r
    will contain the r value

gnutls_datum_t * s
    will contain the s value

DESCRIPTION
This function will decode the provided sig_value , into r and s elements. See RFC 4491 section 2.2.2 for the format of signature value. The output values may be padded with a zero byte to prevent them from being interpreted as negative values. The value should be deallocated using gnutls_free().

RETURNS
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an error code is returned.

SINCE
3.6.0

REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

COPYRIGHT
Copyright © 2001-2019 Free Software Foundation, Inc., and others.
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 gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

https://www.gnutls.org/manual/