cn.ac.caict.codec.crypto

类 CipherFactory

java.lang.Object

cn.ac.caict.codec.crypto.CipherFactory

public class CipherFactory
extends Object

作者:

pony

构造器概要

构造器

构造器和说明
CipherFactory()

方法概要

限定符和类型	方法和说明
static Cipher	getInstance(String keyAlg, String alg, int encryptMode, byte[] key, byte[] iv)
static Cipher	getInstance(String provider, String alg, int encryptMode, Key key, byte[] iv) get cipher instance.
static Key	toKey(byte[] key, String keyAlg)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CipherFactory

public CipherFactory()

方法详细资料

toKey

public static Key toKey(byte[] key,
                        String keyAlg)

getInstance

public static Cipher getInstance(String provider,
                                 String alg,
                                 int encryptMode,
                                 Key key,
                                 byte[] iv)

get cipher instance. Default SecureRandom

参数:

provider - bc

alg - 加解密算法(算法/工作模式/填充模式[补齐方式])

encryptMode - Cipher.ENCRYPT_MODE or DECRYPT_MODE

key - toKey

iv - CBC模式需要填写

返回:

返回cipher

getInstance

public static Cipher getInstance(String keyAlg,
                                 String alg,
                                 int encryptMode,
                                 byte[] key,
                                 byte[] iv)