public void To(AgentWriter writer)
{
using var keyStream = new MemoryStream();
using var keyWriter = new AgentWriter(keyStream);
var key = ((KeyHostAlgorithm)_keyFile.HostKey).Key;
keyWriter.EncodeString(key.ToString());
switch (key.ToString())
{
case "ssh-ed25519":
var ed25519 = (ED25519Key)key;
keyWriter.EncodeBignum2(ed25519.PublicKey);
keyWriter.EncodeBignum2(ed25519.PrivateKey);
break;
case "ssh-rsa":
var rsa = (RsaKey)key;
keyWriter.EncodeBignum2(rsa.Modulus.ToByteArray().Reverse());
keyWriter.EncodeBignum2(rsa.Exponent.ToByteArray().Reverse());
keyWriter.EncodeBignum2(rsa.D.ToByteArray().Reverse());
keyWriter.EncodeBignum2(rsa.InverseQ.ToByteArray().Reverse());
keyWriter.EncodeBignum2(rsa.P.ToByteArray().Reverse());
keyWriter.EncodeBignum2(rsa.Q.ToByteArray().Reverse());
break;
case "ecdsa-sha2-nistp256":
// Fallthrough
case "ecdsa-sha2-nistp384":
// Fallthrough
case "ecdsa-sha2-nistp521":
var ecdsa = (EcdsaKey)key;
var publicKey = ecdsa.Public;
keyWriter.EncodeString(publicKey[0].ToByteArray().Reverse());
keyWriter.EncodeString(publicKey[1].ToByteArray().Reverse());
keyWriter.EncodeBignum2(ecdsa.PrivateKey.ToBigInteger2().ToByteArray().Reverse());
break;
}
// comment
keyWriter.EncodeString(key.Comment ?? "");
var keyData = keyStream.ToArray();
writer.Write((uint)(1 + keyData.Length));
writer.Write((byte)AgentMessageType.SSH2_AGENTC_ADD_IDENTITY);
writer.Write(keyData);
}
