gnutls_decode_rs_value - Man Page

API function

Synopsis

#include <gnutls/crypto.h>

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

Arguments

const gnutls_datum_t * sig_value

holds a Dss-Sig-Value DER or BER encoded structure

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. The Dss-Sig-Value is used for DSA and ECDSA signatures.

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

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/

Info

3.7.2 gnutls