private static KeyPair GenerateRsaKeyPair(int?bits)
{
var generator = new RsaKeyPairGenerator();
generator.Init(new KeyGenerationParameters(new SecureRandom(), bits ?? 512));
var pair = generator.GenerateKeyPair();
var priv = (RsaPrivateCrtKeyParameters)pair.Private;
var pub = (RsaKeyParameters)pair.Public;
var pk = new RsaPublicKey(pub);
var sk = new RsaPrivateKey(priv, pub);
return(new KeyPair(sk, pk));
}
/// <summary>
/// Deserialize a public key from stream
/// </summary>
/// <param name="stream">input stream</param>
/// <returns>public key</returns>
public static PublicKey Unmarshal(Stream stream)
{
var pb = Serializer.Deserialize <PublicKeyContract>(stream);
switch (pb.Type)
{
case KeyType.RSA:
return(RsaPublicKey.Unmarshal(pb.Data));
case KeyType.Ed25519:
return(new Ed25519PublicKey(pb.Data.Take(32).ToArray()));
default:
throw new Exception("Bad key type");
}
}