com.vmware.security.credstore

Class CredentialStoreCipher

java.lang.Object

com.vmware.security.credstore.CredentialStoreCipher

public class CredentialStoreCipher
extends java.lang.Object

This class uses the JVM provided classes in javax.crypto.* to encrypt and decrypt text. It uses the RC4 symmetric cipher by default allowing you to store text and decrypt the same text for review later.

The SecretKey is a vital private key used for encrypting and decrypting the cipher text produced by this class. If you lose the secret key, then the data is lost.

See Appendix A in the Java Cryptography Extension Reference Guide for more information.

See Also:

SecretKey, Cipher, CredentialStoreImpl

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ALGORITHM The RC4 encryption algorithm is supplied by the JVM.

Constructor Summary

Constructors

Constructor and Description
CredentialStoreCipher(javax.crypto.SecretKey secretKey)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	decrypt(byte[] input)
byte[]	encrypt(byte[] input) Uses the RC4 Encrypt and Decrypt routines found in the javax.crypto package.
static javax.crypto.SecretKey	generateSecretKey() This helper method will generate a fresh secret key for you to use.

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM

public static final java.lang.String ALGORITHM

The RC4 encryption algorithm is supplied by the JVM. If your JVM does not support RC4 you may have to specify a different algorithm name here.

See Appendix A in the Java Cryptography Extension Reference Guide for more information.

See Also:

Constant Field Values

Constructor Detail

CredentialStoreCipher

public CredentialStoreCipher(javax.crypto.SecretKey secretKey)
                      throws java.security.NoSuchAlgorithmException,
                             javax.crypto.NoSuchPaddingException,
                             java.security.InvalidKeyException

Throws:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

Method Detail

generateSecretKey

public static javax.crypto.SecretKey generateSecretKey()
                                                throws java.security.NoSuchAlgorithmException

This helper method will generate a fresh secret key for you to use. If this key is lost, then the information encrypted with this cipher is also lost.

Returns:

a key object for use with this class

Throws:

java.security.NoSuchAlgorithmException - - thrown if your JVM does not support RC4 encryption

encrypt

public byte[] encrypt(byte[] input)

Uses the RC4 Encrypt and Decrypt routines found in the javax.crypto package.

decrypt

public byte[] decrypt(byte[] input)