gnutls_decode_gost_rs_value(3)

gnutls_decode_gost_rs_value3

Api function

Usage

#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

Overview

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

Releases

5 releases since Debian 10 (Buster); the text changed 4 times.

  1. 10
  2. 11
  3. 12
  4. 13
  5. Arch

Reporting bugs

Report bugs to <[email protected]>.
Home page: https://www.gnutls.org

From gnutls 3.8.13-3 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.