rfc6979

Nov 7, 2019

Changes in this version

+ func HmacSHA256(m, k []byte) ([]byte, error)

+ func RandStringBytes(n int) string

+ func SignECDSA(priv *ecdsa.PrivateKey, hash []byte, alg func() hash.Hash, nonce int) (r, s *big.Int, err error)