//Renci.SshNet.Security.Cryptography.Ciphers.AesCipher;
public static void test1()
{
//var cinfo = new CipherInfo(256, (key, iv) => new Ciphers.AesCipher(key, new CtrCipherMode(iv), null));
var cinfo = new CipherInfo(256, delegate(byte[] key, byte[] iv){
return(new crypto::Ciphers.AesCipher(key, new crypto::Ciphers.Modes.CtrCipherMode(iv), null));
});
}
[Ignore] // placeholder
public void CipherInfoConstructorTest()
{
int keySize = 0; // TODO: Initialize to an appropriate value
Func<byte[], byte[], Cipher> cipher = null; // TODO: Initialize to an appropriate value
CipherInfo target = new CipherInfo(keySize, cipher);
Assert.Inconclusive("TODO: Implement code to verify target");
}
public void CipherInfoConstructorTest()
{
int keySize = 0; // TODO: Initialize to an appropriate value
Func <byte[], byte[], BlockCipher> cipher = null; // TODO: Initialize to an appropriate value
CipherInfo target = new CipherInfo(keySize, cipher);
Assert.Inconclusive("TODO: Implement code to verify target");
}
public StreamCrypto(string method, string password)
: base(method, password)
{
CipherInfo = GetCiphers()[method.ToLower()];
cipherFamily = CipherInfo.Type;
StreamCipherParameter parameter = (StreamCipherParameter)CipherInfo.CipherParameter;
keyLen = parameter.KeySize;
ivLen = parameter.IvSize;
InitKey(password);
logger.Dump($"key {instanceId}", key, keyLen);
}
public StreamCrypto(string method, string password)
: base(method, password)
{
CipherInfo = GetCiphers()[method.ToLower()];
cipherFamily = CipherInfo.Type;
StreamCipherParameter parameter = (StreamCipherParameter)CipherInfo.CipherParameter;
keyLen = parameter.KeySize;
ivLen = parameter.IvSize;
InitKey(password);
this.Log().Debug($"key {instanceId} {key} {keyLen}");
}
public AEADCrypto(string method, string password)
: base(method, password)
{
CipherInfo = GetCiphers()[method.ToLower()];
cipherFamily = CipherInfo.Type;
AEADCipherParameter parameter = (AEADCipherParameter)CipherInfo.CipherParameter;
keyLen = parameter.KeySize;
saltLen = parameter.SaltSize;
tagLen = parameter.TagSize;
nonceLen = parameter.NonceSize;
InitKey(password);
salt = new byte[saltLen];
// Initialize all-zero nonce for each connection
nonce = new byte[nonceLen];
this.Log().Debug($"masterkey {instanceId} {masterKey} {keyLen}");
this.Log().Debug($"nonce {instanceId} {nonce} {keyLen}");
}
/// <summary>
/// Starts key exchange algorithm
/// </summary>
/// <param name="session">The session.</param>
/// <param name="message">Key exchange init message.</param>
public virtual void Start(Session session, KeyExchangeInitMessage message)
{
this.Session = session;
this.SendMessage(session.ClientInitMessage);
// Determine encryption algorithm
var clientEncryptionAlgorithmName = (from b in session.ConnectionInfo.Encryptions.Keys
from a in message.EncryptionAlgorithmsClientToServer
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(clientEncryptionAlgorithmName))
{
throw new SshConnectionException("Client encryption algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentClientEncryption = clientEncryptionAlgorithmName;
// Determine encryption algorithm
var serverDecryptionAlgorithmName = (from b in session.ConnectionInfo.Encryptions.Keys
from a in message.EncryptionAlgorithmsServerToClient
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(serverDecryptionAlgorithmName))
{
throw new SshConnectionException("Server decryption algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentServerEncryption = serverDecryptionAlgorithmName;
// Determine client hmac algorithm
var clientHmacAlgorithmName = (from b in session.ConnectionInfo.HmacAlgorithms.Keys
from a in message.MacAlgorithmsClientToServer
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(clientHmacAlgorithmName))
{
throw new SshConnectionException("Client HMAC algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentClientHmacAlgorithm = clientHmacAlgorithmName;
// Determine server hmac algorithm
var serverHmacAlgorithmName = (from b in session.ConnectionInfo.HmacAlgorithms.Keys
from a in message.MacAlgorithmsServerToClient
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(serverHmacAlgorithmName))
{
throw new SshConnectionException("Server HMAC algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentServerHmacAlgorithm = serverHmacAlgorithmName;
// Determine compression algorithm
var compressionAlgorithmName = (from b in session.ConnectionInfo.CompressionAlgorithms.Keys
from a in message.CompressionAlgorithmsClientToServer
where a == b
select a).LastOrDefault();
if (string.IsNullOrEmpty(compressionAlgorithmName))
{
throw new SshConnectionException("Compression algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentClientCompressionAlgorithm = compressionAlgorithmName;
// Determine decompression algorithm
var decompressionAlgorithmName = (from b in session.ConnectionInfo.CompressionAlgorithms.Keys
from a in message.CompressionAlgorithmsServerToClient
where a == b
select a).LastOrDefault();
if (string.IsNullOrEmpty(decompressionAlgorithmName))
{
throw new SshConnectionException("Decompression algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentServerCompressionAlgorithm = decompressionAlgorithmName;
this._clientCipherInfo = session.ConnectionInfo.Encryptions[clientEncryptionAlgorithmName];
this._serverCipherInfo = session.ConnectionInfo.Encryptions[clientEncryptionAlgorithmName];
this._cientHmacAlgorithmType = session.ConnectionInfo.HmacAlgorithms[clientHmacAlgorithmName];
this._serverHmacAlgorithmType = session.ConnectionInfo.HmacAlgorithms[serverHmacAlgorithmName];
this._compressionType = session.ConnectionInfo.CompressionAlgorithms[compressionAlgorithmName];
this._decompressionType = session.ConnectionInfo.CompressionAlgorithms[decompressionAlgorithmName];
}
/// <summary>
/// Starts key exchange algorithm
/// </summary>
/// <param name="session">The session.</param>
/// <param name="message">Key exchange init message.</param>
public virtual void Start(Session session, KeyExchangeInitMessage message)
{
this.Session = session;
this.SendMessage(session.ClientInitMessage);
// Determine encryption algorithm
var clientEncryptionAlgorithmName = (from b in session.ConnectionInfo.Encryptions.Keys
from a in message.EncryptionAlgorithmsClientToServer
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(clientEncryptionAlgorithmName))
{
throw new SshConnectionException("Client encryption algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentClientEncryption = clientEncryptionAlgorithmName;
// Determine encryption algorithm
var serverDecryptionAlgorithmName = (from b in session.ConnectionInfo.Encryptions.Keys
from a in message.EncryptionAlgorithmsServerToClient
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(serverDecryptionAlgorithmName))
{
throw new SshConnectionException("Server decryption algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentServerEncryption = serverDecryptionAlgorithmName;
// Determine client hmac algorithm
var clientHmacAlgorithmName = (from b in session.ConnectionInfo.HmacAlgorithms.Keys
from a in message.MacAlgorithmsClientToServer
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(clientHmacAlgorithmName))
{
throw new SshConnectionException("Server HMAC algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentClientHmacAlgorithm = clientHmacAlgorithmName;
// Determine server hmac algorithm
var serverHmacAlgorithmName = (from b in session.ConnectionInfo.HmacAlgorithms.Keys
from a in message.MacAlgorithmsServerToClient
where a == b
select a).FirstOrDefault();
if (string.IsNullOrEmpty(serverHmacAlgorithmName))
{
throw new SshConnectionException("Server HMAC algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentServerHmacAlgorithm = serverHmacAlgorithmName;
// Determine compression algorithm
var compressionAlgorithmName = (from b in session.ConnectionInfo.CompressionAlgorithms.Keys
from a in message.CompressionAlgorithmsClientToServer
where a == b
select a).LastOrDefault();
if (string.IsNullOrEmpty(compressionAlgorithmName))
{
throw new SshConnectionException("Compression algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentClientCompressionAlgorithm = compressionAlgorithmName;
// Determine decompression algorithm
var decompressionAlgorithmName = (from b in session.ConnectionInfo.CompressionAlgorithms.Keys
from a in message.CompressionAlgorithmsServerToClient
where a == b
select a).LastOrDefault();
if (string.IsNullOrEmpty(decompressionAlgorithmName))
{
throw new SshConnectionException("Decompression algorithm not found", DisconnectReason.KeyExchangeFailed);
}
session.ConnectionInfo.CurrentServerCompressionAlgorithm = decompressionAlgorithmName;
this._clientCipherInfo = session.ConnectionInfo.Encryptions[clientEncryptionAlgorithmName];
this._serverCipherInfo = session.ConnectionInfo.Encryptions[serverDecryptionAlgorithmName];
this._clientHashInfo = session.ConnectionInfo.HmacAlgorithms[clientHmacAlgorithmName];
this._serverHashInfo = session.ConnectionInfo.HmacAlgorithms[serverHmacAlgorithmName];
this._compressionType = session.ConnectionInfo.CompressionAlgorithms[compressionAlgorithmName];
this._decompressionType = session.ConnectionInfo.CompressionAlgorithms[decompressionAlgorithmName];
}
