public void TestSignature()
{
var input = Encoding.UTF8.GetBytes("Hello!");
var ecdsa = new ECDSA(new DefaultRandomGenerator());
ecdsa.Init(new ECCipherParameters(Secp256R1.Parameters, PrivateKey));
var signature = ecdsa.Sign(input, new SHA256Digest(SHA256Digest.Mode.SHA256));
var result = ecdsa.Verify(input, signature, new SHA256Digest(SHA256Digest.Mode.SHA256));
Assert.True(result);
}
public void TestVerify()
{
var input = Encoding.UTF8.GetBytes("Hello!");
var signature = HexConverter.FromHex("3046022100cff2771c25049757d8a14e6f9a58b7e0928bafd33d7977fd194aeb14c64bd6ab022100f417bdbc4a9cb1f5cd719583b093a767c1c975e7ac5604ddd47827e2da05e8bb");
var ecdsa = new ECDSA(new DefaultRandomGenerator());
ecdsa.Init(new ECCipherParameters(Secp256R1.Parameters, PublicKey));
var result = ecdsa.Verify(input, signature, new SHA256Digest(SHA256Digest.Mode.SHA256));
Assert.True(result);
}
public void TestVerify()
{
var input = Encoding.UTF8.GetBytes("Hello!");
var signature = HexConverter.FromHex("304602210098a1615b14266bb514f3829f2775e1a46eec972c1021d67dd1c35b88add5e3f6022100eb91ddd49f9ab3560d69d65b47961fb051ef72c18c3c9acd7f2fb4d1c37ce351");
var ecdsa = new ECDSA(new DefaultRandomGenerator());
ecdsa.Init(new ECCipherParameters(Secp256K1.Parameters, PublicKey));
var result = ecdsa.Verify(input, signature, new SHA256Digest(SHA256Digest.Mode.SHA256));
Assert.True(result);
}