本文整理汇总了Java中javax.crypto.interfaces.PBEKey类的典型用法代码示例。如果您正苦于以下问题：Java PBEKey类的具体用法？Java PBEKey怎么用？Java PBEKey使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
PBEKey类属于javax.crypto.interfaces包，在下文中一共展示了PBEKey类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: runTest
import javax.crypto.interfaces.PBEKey; //导入依赖的package包/类
private static void runTest(String alg, byte[] plaintext,
char[] password, Provider p)
throws Exception {
Cipher cipher = Cipher.getInstance(alg, p);
PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBE", p);
AlgorithmParameters pbeParams = null;
SecretKey key = keyFac.generateSecret(pbeKeySpec);
cipher.init(Cipher.ENCRYPT_MODE, key, pbeParams);
byte[] enc1 = cipher.doFinal(plaintext);
byte[] enc2 = cipher.doFinal(plaintext);
if (Arrays.equals(enc1, enc2) == false) {
throw new Exception("Re-encryption test failed");
}
pbeParams = cipher.getParameters();
cipher.init(Cipher.DECRYPT_MODE, key, pbeParams);
byte[] dec = cipher.doFinal(enc1);
if (Arrays.equals(plaintext, dec) == false) {
throw new Exception("decryption test for " + alg + " failed");
}
PBEParameterSpec spec = (PBEParameterSpec)
pbeParams.getParameterSpec(PBEParameterSpec.class);
PBEKey key2 = new
MyPBEKey(password, spec.getSalt(), spec.getIterationCount());
cipher.init(Cipher.DECRYPT_MODE, key2, pbeParams);
byte[] dec2 = cipher.doFinal(enc1);
if (Arrays.equals(dec2, dec) == false) {
throw new Exception("Re-decryption test#1 failed");
}
cipher.init(Cipher.DECRYPT_MODE, key2, (AlgorithmParameters) null);
byte[] dec3 = cipher.doFinal(enc1);
if (Arrays.equals(dec3, dec) == false) {
throw new Exception("Re-decryption test#2 failed");
}
System.out.println("passed: " + alg);
}
示例2: createPBEKey
import javax.crypto.interfaces.PBEKey; //导入依赖的package包/类
private static SecretKey createPBEKey(byte[] salt, String password) throws NoSuchAlgorithmException, InvalidKeySpecException {
if (password == null || password.length() == 0) {
throw new IllegalArgumentException(L10nUtil.getMessage(MessageCodes.PBE_PASSWORD_ZERO_LENGTH_ERROR, DefaultMessages.PBE_PASSWORD_ZERO_LENGTH_ERROR));
}
SecretKeyFactory factory = SecretKeyFactory.getInstance(PBE_KEY_ALGORITHM);
PBEKey pbeKey = (PBEKey) factory.generateSecret(new PBEKeySpec(password.toCharArray(), salt, PBE_KEY_ITERATIONS, SYMMETRIC_KEY_LENGTH));
// int rounds = PBE_KEY_ITERATIONS;
// PBEKey pbeKey = (PBEKey) factory.generateSecret(new PBEKeySpec(password.toCharArray(), salt, rounds, SYMMETRIC_KEY_LENGTH));
// if ((rounds = Settings.getInt(SettingCodes.PBE_KEY_ITERATIONS, Bundle.SETTINGS, DefaultSettings.PBE_KEY_ITERATIONS)) > 1) {
// factory.generateSecret(new PBEKeySpec(password.toCharArray(), salt, rounds - 1, SYMMETRIC_KEY_LENGTH));
// }
return new SecretKeySpec(pbeKey.getEncoded(), SYMMETRIC_ALGORITHM);
}
示例3: engineInit
import javax.crypto.interfaces.PBEKey; //导入依赖的package包/类
protected void engineInit(int opmode, Key key, SecureRandom random)
throws InvalidKeyException
{
if (! (key instanceof PBEKey))
throw new InvalidKeyException("not a PBE key");
super.engineInit(opmode, genkey((PBEKey) key), random);
}
示例4: genkey
import javax.crypto.interfaces.PBEKey; //导入依赖的package包/类
private SecretKeySpec genkey(PBEKey key) throws InvalidKeyException
{
IRandom kdf = PRNGFactory.getInstance("PBKDF2-" + macName);
if (kdf == null)
throw new IllegalArgumentException("no such KDF: PBKDF2-" + macName);
HashMap attrib = new HashMap();
attrib.put(IPBE.ITERATION_COUNT, Integer.valueOf(key.getIterationCount()));
attrib.put(IPBE.PASSWORD, key.getPassword());
attrib.put(IPBE.SALT, key.getSalt());
try
{
kdf.init(attrib);
}
catch (IllegalArgumentException iae)
{
throw new InvalidKeyException(iae.toString());
}
byte[] dk = new byte[mode.defaultKeySize()];
try
{
kdf.nextBytes(dk, 0, dk.length);
}
catch (LimitReachedException shouldNotHappen)
{
throw new Error(String.valueOf(shouldNotHappen));
}
return new SecretKeySpec(dk, cipher.name());
}