import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
private boolean establishKeyMaterial()
{
	try
	{
		int mac_cs_key_len = MAC.getKeyLen(kxs.np.mac_algo_client_to_server);
		int enc_cs_key_len = BlockCipherFactory.getKeySize(kxs.np.enc_algo_client_to_server);
		int enc_cs_block_len = BlockCipherFactory.getBlockSize(kxs.np.enc_algo_client_to_server);

		int mac_sc_key_len = MAC.getKeyLen(kxs.np.mac_algo_server_to_client);
		int enc_sc_key_len = BlockCipherFactory.getKeySize(kxs.np.enc_algo_server_to_client);
		int enc_sc_block_len = BlockCipherFactory.getBlockSize(kxs.np.enc_algo_server_to_client);

		km = KeyMaterial.create(kxs.hashAlgo, kxs.H, kxs.K, sessionId, enc_cs_key_len, enc_cs_block_len, mac_cs_key_len,
				enc_sc_key_len, enc_sc_block_len, mac_sc_key_len);
	}
	catch (IllegalArgumentException e)
	{
		return false;
	}
	return true;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
private boolean establishKeyMaterial()
{
	try
	{
		int mac_cs_key_len = MAC.getKeyLen(kxs.np.mac_algo_client_to_server);
		int enc_cs_key_len = BlockCipherFactory.getKeySize(kxs.np.enc_algo_client_to_server);
		int enc_cs_block_len = BlockCipherFactory.getBlockSize(kxs.np.enc_algo_client_to_server);

		int mac_sc_key_len = MAC.getKeyLen(kxs.np.mac_algo_server_to_client);
		int enc_sc_key_len = BlockCipherFactory.getKeySize(kxs.np.enc_algo_server_to_client);
		int enc_sc_block_len = BlockCipherFactory.getBlockSize(kxs.np.enc_algo_server_to_client);

		km = KeyMaterial.create("SHA1", kxs.H, kxs.K, sessionId, enc_cs_key_len, enc_cs_block_len, mac_cs_key_len,
				enc_sc_key_len, enc_sc_block_len, mac_sc_key_len);
	}
	catch (IllegalArgumentException e)
	{
		return false;
	}
	return true;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
private boolean establishKeyMaterial() {
	try {
		int mac_cs_key_len = MAC
				.getKeyLen(kxs.np.mac_algo_client_to_server);
		int enc_cs_key_len = BlockCipherFactory
				.getKeySize(kxs.np.enc_algo_client_to_server);
		int enc_cs_block_len = BlockCipherFactory
				.getBlockSize(kxs.np.enc_algo_client_to_server);

		int mac_sc_key_len = MAC
				.getKeyLen(kxs.np.mac_algo_server_to_client);
		int enc_sc_key_len = BlockCipherFactory
				.getKeySize(kxs.np.enc_algo_server_to_client);
		int enc_sc_block_len = BlockCipherFactory
				.getBlockSize(kxs.np.enc_algo_server_to_client);

		km = KeyMaterial.create("SHA1", kxs.H, kxs.K, sessionId,
				enc_cs_key_len, enc_cs_block_len, mac_cs_key_len,
				enc_sc_key_len, enc_sc_block_len, mac_sc_key_len);
	} catch (IllegalArgumentException e) {
		return false;
	}
	return true;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
/**
 * Unless you know what you are doing, you will never need this.
 * 
 * @param ciphers
 */
public synchronized void setClient2ServerCiphers(String[] ciphers)
{
	if ((ciphers == null) || (ciphers.length == 0))
		throw new IllegalArgumentException();
	ciphers = removeDuplicates(ciphers);
	BlockCipherFactory.checkCipherList(ciphers);
	cryptoWishList.c2s_enc_algos = ciphers;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
/**
 * Unless you know what you are doing, you will never need this.
 * 
 * @param ciphers
 */
public synchronized void setServer2ClientCiphers(String[] ciphers)
{
	if ((ciphers == null) || (ciphers.length == 0))
		throw new IllegalArgumentException();
	ciphers = removeDuplicates(ciphers);
	BlockCipherFactory.checkCipherList(ciphers);
	cryptoWishList.s2c_enc_algos = ciphers;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
/**
 * Unless you know what you are doing, you will never need this.
 * 
 * @param ciphers
 */
public synchronized void setClient2ServerCiphers(String[] ciphers) {
	if ((ciphers == null) || (ciphers.length == 0))
		throw new IllegalArgumentException();
	ciphers = removeDuplicates(ciphers);
	BlockCipherFactory.checkCipherList(ciphers);
	cryptoWishList.c2s_enc_algos = ciphers;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
/**
 * Unless you know what you are doing, you will never need this.
 * 
 * @param ciphers
 */
public synchronized void setServer2ClientCiphers(String[] ciphers) {
	if ((ciphers == null) || (ciphers.length == 0))
		throw new IllegalArgumentException();
	ciphers = removeDuplicates(ciphers);
	BlockCipherFactory.checkCipherList(ciphers);
	cryptoWishList.s2c_enc_algos = ciphers;
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
/**
 * Unless you know what you are doing, you will never need this.
 * 
 * @return The list of supported cipher algorithms by this implementation.
 */
public static synchronized String[] getAvailableCiphers()
{
	return BlockCipherFactory.getDefaultCipherList();
}
 

import com.trilead.ssh2.crypto.cipher.BlockCipherFactory; //导入依赖的package包/类
/**
 * Unless you know what you are doing, you will never need this.
 * 
 * @return The list of supported cipher algorithms by this implementation.
 */
public static synchronized String[] getAvailableCiphers() {
	return BlockCipherFactory.getDefaultCipherList();
}