THE SOFTWARE IS PROVIDED "AS IS" AND YAO PENGFEI AND THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL YAO PENGFEI OR THE AUTHORS BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

efficient-sm2

usage

``` rust let testword = b"hello world"; let mut rng = EgRand(rand::threadrng());

let mut privatekey = [0; LIMBLENGTH * LIMBBYTES]; rng.fill(&mut privatekey);

let keypair = KeyPair::new(&privatekey).unwrap();

let sig = keypair.sign(&mut rng, testword).unwrap(); ```