com.grey.base.crypto

Class AsyKey

java.lang.Object

com.grey.base.crypto.AsyKey

public class AsyKey
extends Object

Constructor Summary

Constructors

Constructor and Description
AsyKey()

Method Summary

Modifier and Type	Method and Description
static Key	buildPrivateKey(BigInteger kmod, BigInteger kexp)
static Key	buildPublicKey(BigInteger kmod, BigInteger kexp)
static byte[]	decrypt(Key key, byte[] ciphertxt, int off, int len)
static byte[]	decryptData(Key key, byte[] encdata, int off, int len)
static byte[]	encrypt(Key key, byte[] plaintxt, int off, int len)
static byte[]	encryptData(Key key, byte[] plaintxt, int off, int len)
static BigInteger[]	generateKeyPair()

Methods inherited from class java.lang.Object

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

Constructor Detail

AsyKey

public AsyKey()

Method Detail

encryptData

public static byte[] encryptData(Key key,
                                 byte[] plaintxt,
                                 int off,
                                 int len)
                          throws GeneralSecurityException

Throws:

GeneralSecurityException

decryptData

public static byte[] decryptData(Key key,
                                 byte[] encdata,
                                 int off,
                                 int len)
                          throws GeneralSecurityException

Throws:

GeneralSecurityException

generateKeyPair

public static BigInteger[] generateKeyPair()
                                    throws GeneralSecurityException

Throws:

GeneralSecurityException

buildPublicKey

public static Key buildPublicKey(BigInteger kmod,
                                 BigInteger kexp)
                          throws GeneralSecurityException

Throws:

GeneralSecurityException

buildPrivateKey

public static Key buildPrivateKey(BigInteger kmod,
                                  BigInteger kexp)
                           throws GeneralSecurityException

Throws:

GeneralSecurityException

encrypt

public static byte[] encrypt(Key key,
                             byte[] plaintxt,
                             int off,
                             int len)
                      throws GeneralSecurityException

Throws:

GeneralSecurityException

decrypt

public static byte[] decrypt(Key key,
                             byte[] ciphertxt,
                             int off,
                             int len)
                      throws GeneralSecurityException

Throws:

GeneralSecurityException