gnutls_decode_gost_rs_value(3) gnutls gnutls_decode_gost_rs_value(3)

gnutls_decode_gost_rs_value - API function

#include <gnutls/crypto.h>

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

will holds a GOST signature according to RFC 4491 section 2.2.2
will contain the r value
will contain the s value

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().

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


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3.8.5 gnutls