public object From(AgentReader reader)
{
_ = reader.ReadUInt32(); // msglen
var answer = (AgentMessageType)reader.ReadByte();
if (answer != AgentMessageType.SSH2_AGENT_IDENTITIES_ANSWER)
{
throw new Exception($"Wrong Answer {answer}");
}
var keys = new List <PrivateKeyAgent>();
var numKeys = reader.ReadUInt32();
var i = 0;
while (i < numKeys)
{
var keyData = reader.ReadStringAsBytes();
using var keyStream = new MemoryStream(keyData);
using var keyReader = new AgentReader(keyStream);
var keyType = keyReader.ReadString();
Key key;
switch (keyType)
{
case "ssh-rsa":
var exponent = keyReader.ReadBignum();
var modulus = keyReader.ReadBignum();
key = new RsaAgentKey(modulus, exponent, _agent, keyData);
break;
case "ecdsa-sha2-nistp256":
// Fallthrough
case "ecdsa-sha2-nistp384":
// Fallthrough
case "ecdsa-sha2-nistp521":
var curve = keyReader.ReadString();
var q = keyReader.ReadBignum2();
key = new EcdsaAgentKey(curve, q, _agent, keyData);
break;
case "ssh-ed25519":
var pK = keyReader.ReadBignum2();
key = new ED25519AgentKey(pK, _agent, keyData);
break;
default:
throw new Exception($"Unsupported KeyType {keyType}");
}
key.Comment = reader.ReadString();
keys.Add(new PrivateKeyAgent(key));
i++;
}
return(keys.ToArray());
}
public object From(AgentReader reader)
{
_ = reader.ReadUInt32(); // msglen
var answer = (AgentMessageType)reader.ReadByte();
if (answer != AgentMessageType.SSH2_AGENT_SIGN_RESPONSE)
{
throw new Exception($"Wrong Answer {answer}");
}
var signatureData = reader.ReadStringAsBytes();
using var signatureStream = new MemoryStream(signatureData);
using var signatureReader = new AgentReader(signatureStream);
// identifier
_ = signatureReader.ReadString();
return(signatureReader.ReadStringAsBytes());
}
