cn.t.util.security.message.encryption.dh

Class DhUtil

java.lang.Object

cn.t.util.security.message.encryption.dh.DhUtil

public class DhUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
DhUtil()

Method Summary

Modifier and Type	Method and Description
static PublicKey	convertEncodedBytesToPublicKey(byte[] encodedBytes)
static KeyAgreement	generateKeyAgreement(PrivateKey privateKey, PublicKey publicKey)
static Key	generateSecretKey(PrivateKey privateKey, PublicKey publicKey, String algorithm)

Methods inherited from class java.lang.Object

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

Constructor Detail

DhUtil

public DhUtil()

Method Detail

convertEncodedBytesToPublicKey

public static PublicKey convertEncodedBytesToPublicKey(byte[] encodedBytes)
                                                throws NoSuchAlgorithmException,
                                                       InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

generateKeyAgreement

public static KeyAgreement generateKeyAgreement(PrivateKey privateKey,
                                                PublicKey publicKey)
                                         throws NoSuchAlgorithmException,
                                                InvalidKeyException

Throws:

NoSuchAlgorithmException

InvalidKeyException

generateSecretKey

public static Key generateSecretKey(PrivateKey privateKey,
                                    PublicKey publicKey,
                                    String algorithm)
                             throws InvalidKeyException,
                                    NoSuchAlgorithmException

Throws:

InvalidKeyException

NoSuchAlgorithmException