本文整理汇总了Java中org.bouncycastle.crypto.paddings.ZeroBytePadding类的典型用法代码示例。如果您正苦于以下问题：Java ZeroBytePadding类的具体用法？Java ZeroBytePadding怎么用？Java ZeroBytePadding使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ZeroBytePadding类属于org.bouncycastle.crypto.paddings包，在下文中一共展示了ZeroBytePadding类的9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: testEncryptRijndael
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
public String testEncryptRijndael(String value,String key) throws DataLengthException, IllegalStateException, InvalidCipherTextException {
BlockCipher engine = new RijndaelEngine(256);
BufferedBlockCipher cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(engine), new ZeroBytePadding());
byte[] keyBytes = key.getBytes();
cipher.init(true, new KeyParameter(keyBytes));
byte[] input = value.getBytes();
byte[] cipherText = new byte[cipher.getOutputSize(input.length)];
int cipherLength = cipher.processBytes(input, 0, input.length, cipherText, 0);
cipher.doFinal(cipherText, cipherLength);
String result = new String(Base64.encode(cipherText));
//Log.e("testEncryptRijndael : " , result);
return result;
}
示例2: process
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
private byte[] process(byte[] data, boolean encryption) throws DataLengthException {
BlockCipher cipher = new AESEngine();
BlockCipherPadding padding = new ZeroBytePadding();
BufferedBlockCipher bufferedCipher = new PaddedBufferedBlockCipher(cipher, padding);
bufferedCipher.init(encryption, key);
byte[] output = new byte[bufferedCipher.getOutputSize(data.length)];
int bytesProcessed = bufferedCipher.processBytes(data, 0, data.length, output, 0);
try {
bufferedCipher.doFinal(output, bytesProcessed);
return output;
} catch (IllegalStateException
| InvalidCipherTextException e) {
e.printStackTrace();
}
return null;
}
示例3: initBlockCipherPaddings
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
private static void initBlockCipherPaddings() {
blockCipherPadding.put("ISO10126d2Padding", ISO10126d2Padding.class);
blockCipherPadding.put("ISO7816d4Padding", ISO7816d4Padding.class);
blockCipherPadding.put("PKCS7Padding", PKCS7Padding.class);
blockCipherPadding.put("TBCPadding", TBCPadding.class);
blockCipherPadding.put("X923Padding", X923Padding.class);
blockCipherPadding.put("ZeroBytePadding", ZeroBytePadding.class);
}
示例4: testDecryptRijndael
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
public String testDecryptRijndael(String value,String key) throws DataLengthException, IllegalStateException, InvalidCipherTextException {
BlockCipher engine = new RijndaelEngine(256);
BufferedBlockCipher cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(engine), new ZeroBytePadding());
byte[] keyBytes = key.getBytes();
cipher.init(false, new KeyParameter(keyBytes));
byte[] output = Base64.decode(value.getBytes());
byte[] cipherText = new byte[cipher.getOutputSize(output.length)];
int cipherLength = cipher.processBytes(output, 0, output.length, cipherText, 0);
int outputLength = cipher.doFinal(cipherText, cipherLength);
outputLength += cipherLength;
byte[] resultBytes = cipherText;
if (outputLength != output.length) {
resultBytes = new byte[outputLength];
System.arraycopy(
cipherText, 0,
resultBytes, 0,
outputLength
);
}
String result = new String(resultBytes);
return result;
}
示例5: encrypt
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
@Override
public void encrypt(final byte[] passiveCheckBytes, final byte[] initVector, final String password) {
final BlowfishEngine engine = new BlowfishEngine();
PaddedBufferedBlockCipher cipher = new PaddedBufferedBlockCipher(new CFBBlockCipher(engine, 8), new ZeroBytePadding());
try {
final byte[] passwordBytes = password.getBytes("US-ASCII");
assertValidPasswordBytesLength(passwordBytes);
final byte[] sessionKey = new byte[KEY_BYTES_LENGTH];
System.arraycopy(passwordBytes, 0, sessionKey, 0, Math.min(KEY_BYTES_LENGTH, passwordBytes.length));
final byte[] iv = new byte[KEY_BYTES_LENGTH];
System.arraycopy(initVector, 0, iv, 0, Math.min(KEY_BYTES_LENGTH, initVector.length));
cipher.init(true, new ParametersWithIV(new KeyParameter(sessionKey), iv));
final byte[] cipherText = new byte[cipher.getOutputSize(passiveCheckBytes.length)];
int cipherLength = cipher.processBytes(passiveCheckBytes, 0, passiveCheckBytes.length, cipherText, 0);
cipherLength = cipherLength + cipher.doFinal(cipherText, cipherLength);
final int bytesToCopy = Math.min(passiveCheckBytes.length, cipherLength);
System.arraycopy(cipherText, 0, passiveCheckBytes, 0, bytesToCopy);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
示例6: Encryptor
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
public Encryptor(String encryptKey) {
encryptCipher = new PaddedBufferedBlockCipher(new AESEngine(), new ZeroBytePadding());
encryptCipher.init(true, new KeyParameter(encryptKey.getBytes()));
decryptCipher = new PaddedBufferedBlockCipher(new AESEngine(), new ZeroBytePadding());
decryptCipher.init(false, new KeyParameter(encryptKey.getBytes()));
}
示例7: engineSetPadding
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
protected void engineSetPadding(
String padding)
throws NoSuchPaddingException
{
String paddingName = Strings.toUpperCase(padding);
if (paddingName.equals("NOPADDING"))
{
if (cipher.wrapOnNoPadding())
{
cipher = new BufferedGenericBlockCipher(new BufferedBlockCipher(cipher.getUnderlyingCipher()));
}
}
else if (paddingName.equals("WITHCTS"))
{
cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(cipher.getUnderlyingCipher()));
}
else
{
padded = true;
if (isAEADModeName(modeName))
{
throw new NoSuchPaddingException("Only NoPadding can be used with AEAD modes.");
}
else if (paddingName.equals("PKCS5PADDING") || paddingName.equals("PKCS7PADDING"))
{
cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher());
}
else if (paddingName.equals("ZEROBYTEPADDING"))
{
cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher(), new ZeroBytePadding());
}
else if (paddingName.equals("ISO10126PADDING") || paddingName.equals("ISO10126-2PADDING"))
{
cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher(), new ISO10126d2Padding());
}
else if (paddingName.equals("X9.23PADDING") || paddingName.equals("X923PADDING"))
{
cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher(), new X923Padding());
}
else if (paddingName.equals("ISO7816-4PADDING") || paddingName.equals("ISO9797-1PADDING"))
{
cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher(), new ISO7816d4Padding());
}
else if (paddingName.equals("TBCPADDING"))
{
cipher = new BufferedGenericBlockCipher(cipher.getUnderlyingCipher(), new TBCPadding());
}
else
{
throw new NoSuchPaddingException("Padding " + padding + " unknown.");
}
}
}
示例8: performTest
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
public void performTest()
{
SecureRandom rand = new SecureRandom(new byte[20]);
rand.setSeed(System.currentTimeMillis());
testPadding(new PKCS7Padding(), rand,
Hex.decode("ffffff0505050505"),
Hex.decode("0000000004040404"));
PKCS7Padding padder = new PKCS7Padding();
try
{
padder.padCount(new byte[8]);
fail("invalid padding not detected");
}
catch (InvalidCipherTextException e)
{
if (!"pad block corrupted".equals(e.getMessage()))
{
fail("wrong exception for corrupt padding: " + e);
}
}
testPadding(new ISO10126d2Padding(), rand,
null,
null);
testPadding(new X923Padding(), rand,
null,
null);
testPadding(new TBCPadding(), rand,
Hex.decode("ffffff0000000000"),
Hex.decode("00000000ffffffff"));
testPadding(new ZeroBytePadding(), rand,
Hex.decode("ffffff0000000000"),
null);
testPadding(new ISO7816d4Padding(), rand,
Hex.decode("ffffff8000000000"),
Hex.decode("0000000080000000"));
testOutputSizes();
}
示例9: performTest
import org.bouncycastle.crypto.paddings.ZeroBytePadding; //导入依赖的package包/类
public void performTest()
{
SecureRandom rand = new SecureRandom(new byte[20]);
rand.setSeed(System.currentTimeMillis());
testPadding(new PKCS7Padding(), rand,
Hex.decode("ffffff0505050505"),
Hex.decode("0000000004040404"));
PKCS7Padding padder = new PKCS7Padding();
try
{
padder.padCount(new byte[8]);
fail("invalid padding not detected");
}
catch (InvalidCipherTextException e)
{
if (!"pad block corrupted".equals(e.getMessage()))
{
fail("wrong exception for corrupt padding: " + e);
}
}
testPadding(new ISO10126d2Padding(), rand,
null,
null);
testPadding(new X923Padding(), rand,
null,
null);
testPadding(new TBCPadding(), rand,
Hex.decode("ffffff0000000000"),
Hex.decode("00000000ffffffff"));
testPadding(new ZeroBytePadding(), rand,
Hex.decode("ffffff0000000000"),
null);
testPadding(new ISO7816d4Padding(), rand,
Hex.decode("ffffff8000000000"),
Hex.decode("0000000080000000"));
}