org.mobicents.slee.resource.parlay.util.crypto
Class RSAUtil

java.lang.Object
  org.mobicents.slee.resource.parlay.util.crypto.RSAUtil

public class RSAUtil
extends java.lang.Object

This class provides utility methods for the creation, use and storage of RSA public and private keys.

Constructor Summary

RSAUtil()

Method Summary

static byte[]	decryptMessage(byte[] message, java.security.PrivateKey privateKey, java.lang.String cipherAlgorithm) Decrypts a message using the private key.
static byte[]	encryptMessage(byte[] message, java.security.interfaces.RSAPublicKey publicKey, java.lang.String cipherAlgorithm) Encrypts a message using the private key.
static java.security.KeyPair	generateRSAKeyPair(int keySize) Generates an RSA key pair
static java.security.PrivateKey	getPrivateKey(java.lang.String clientID)
static java.security.interfaces.RSAPublicKey	getPublicKey(java.lang.String file, java.lang.String clientID)
static void	loadKeyStore(java.lang.String vault, java.lang.String file) loads a keyStore from a .jks file or creates a new one.
static void	saveKeyStore(java.lang.String vault) Saves the keyStore to a password protected file.

Methods inherited from class java.lang.Object

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

Constructor Detail

RSAUtil

public RSAUtil()

Method Detail

generateRSAKeyPair

public static java.security.KeyPair generateRSAKeyPair(int keySize)
                                                throws RSAUtilException

Generates an RSA key pair

Parameters:

keySize - the desired RSA key size

Returns:

the generated key pair

Throws:

RSAUtilException

getPublicKey

public static java.security.interfaces.RSAPublicKey getPublicKey(java.lang.String file,
                                                                 java.lang.String clientID)
                                                          throws RSAUtilException

Parameters:

file -

clientID -

Returns:

Throws:

RSAUtilException

getPrivateKey

public static java.security.PrivateKey getPrivateKey(java.lang.String clientID)
                                              throws RSAUtilException

Parameters:

clientID -

Returns:

Throws:

RSAUtilException

encryptMessage

public static byte[] encryptMessage(byte[] message,
                                    java.security.interfaces.RSAPublicKey publicKey,
                                    java.lang.String cipherAlgorithm)
                             throws RSAUtilException

Encrypts a message using the private key.

Parameters:

message - the message to be encrypted

publicKey - the key for the encryption

Returns:

the encrypted message

Throws:

RSAUtilException

decryptMessage

public static byte[] decryptMessage(byte[] message,
                                    java.security.PrivateKey privateKey,
                                    java.lang.String cipherAlgorithm)
                             throws RSAUtilException

Decrypts a message using the private key.

Parameters:

message - the message to be encrypted

privateKey - the key for the decryption

Returns:

the encrypted message

Throws:

RSAUtilException

loadKeyStore

public static void loadKeyStore(java.lang.String vault,
                                java.lang.String file)
                         throws RSAUtilException

loads a keyStore from a .jks file or creates a new one.

Parameters:

vault -

file -

Throws:

RSAUtilException

saveKeyStore

public static void saveKeyStore(java.lang.String vault)
                         throws RSAUtilException

Saves the keyStore to a password protected file.

Throws:

RSAUtilException