import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
CMSOutputEncryptor(ASN1ObjectIdentifier encryptionOID, int keySize, SecureRandom random)
    throws CMSException
{
    if (random == null)
    {
        random = new SecureRandom();
    }

    CipherKeyGenerator keyGen = helper.createKeyGenerator(encryptionOID, random);

    encKey = new KeyParameter(keyGen.generateKey());

    algorithmIdentifier = helper.generateAlgorithmIdentifier(encryptionOID, encKey, random);

    cipher = helper.createContentCipher(true, encKey, algorithmIdentifier);
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
protected BaseKeyGenerator(
    String algName,
    int defaultKeySize,
    CipherKeyGenerator engine)
{
    this.algName = algName;
    this.keySize = this.defaultKeySize = defaultKeySize;
    this.engine = engine;
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
private CipherKeyGenerator createCipherKeyGenerator(SecureRandom random, int keySize)
{
    CipherKeyGenerator keyGen = new CipherKeyGenerator();

    keyGen.init(new KeyGenerationParameters(random, keySize));

    return keyGen;
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
@SideOnly(Side.CLIENT)

    /**
     * Generate a new shared secret AES key from a secure random source
     */
    public static SecretKey createNewSharedKey()
    {
        CipherKeyGenerator cipherkeygenerator = new CipherKeyGenerator();
        cipherkeygenerator.init(new KeyGenerationParameters(new SecureRandom(), 128));
        return new SecretKeySpec(cipherkeygenerator.generateKey(), "AES");
    }
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("RC6", 256, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("XTEA", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Grain128", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("SEED", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("VMPC", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Skipjack", 80, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen(int keySize)
{
    super("GOST28147", keySize, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Twofish", 256, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("HC256", 256, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("RC4", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("TEA", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Noekeon", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("CAST5", 128, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Rijndael", 192, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Grainv1", 80, new CipherKeyGenerator());
}
 

import org.bouncycastle.crypto.CipherKeyGenerator; //导入依赖的package包/类
public KeyGen()
{
    super("Salsa20", 128, new CipherKeyGenerator());
}