PaddedBufferedBlockCipher aes = new PaddedBufferedBlockCipher(new CBCBlockCipher( new AESEngine())); CipherParameters ivAndKey = new ParametersWithIV(new KeyParameter(key), iv); PaddedBufferedBlockCipher aes = new PaddedBufferedBlockCipher(new CBCBlockCipher( new AESEngine())); CipherParameters ivAndKey = new ParametersWithIV(new KeyParameter(key), iv);
private byte[] decryptWithLWCrypto(byte[] cipher, String password, byte[] salt, final int iterationCount) throws Exception { PKCS12ParametersGenerator pGen = new PKCS12ParametersGenerator(new SHA256Digest()); char[] passwordChars = password.toCharArray(); final byte[] pkcs12PasswordBytes = PBEParametersGenerator .PKCS12PasswordToBytes(passwordChars); pGen.init(pkcs12PasswordBytes, salt, iterationCount); CBCBlockCipher aesCBC = new CBCBlockCipher(new AESEngine()); ParametersWithIV aesCBCParams = (ParametersWithIV) pGen.generateDerivedParameters(256, 128); aesCBC.init(false, aesCBCParams); PaddedBufferedBlockCipher aesCipher = new PaddedBufferedBlockCipher(aesCBC, new PKCS7Padding()); byte[] plainTemp = new byte[aesCipher.getOutputSize(cipher.length)]; int offset = aesCipher.processBytes(cipher, 0, cipher.length, plainTemp, 0); int last = aesCipher.doFinal(plainTemp, offset); final byte[] plain = new byte[offset + last]; System.arraycopy(plainTemp, 0, plain, 0, plain.length); return plain; }
public BcPKCS12PBEOutputEncryptorBuilder(ASN1ObjectIdentifier algorithm, BlockCipher engine, ExtendedDigest pbeDigest) { this.algorithm = algorithm; this.engine = new PaddedBufferedBlockCipher(engine, new PKCS7Padding()); this.digest = pbeDigest; }
RijndaelEngine rijndaelEngine = new RijndaelEngine(256); // *1 *2 KeyParameter keyParam = new KeyParameter(rijndaelKeyBytes) rijndaelEngine.init(false, keyParam); //false == decrypt PaddedBufferedBlockCipher bbc = new PaddedBufferedBlockCipher(rijndaelEngine, new ZeroBytePadding()); // *3 byte[] decryptedBytes = new byte[decryptedLenght]; //from the storageOptions string int processed = bbc.processBytes(inputBytes, 0, inputBytes.length, decryptedBytes, 0); bbc.doFinal(decryptedBytes, processed);
PaddedBufferedBlockCipher c = new PaddedBufferedBlockCipher(new CFBBlockCipher(new RijndaelEngine(256), 8), new ZeroBytePadding()); c.init(false, new ParametersWithIV(new KeyParameter(keybytes), iv));
public byte[] update(byte[] inp, int inpOff, int inpLen) { int neededLen = bp.getUpdateOutputSize(inpLen); byte[] outp = null; if (neededLen > 0) outp = new byte[neededLen]; else neededLen = 0; bp.processBytes(inp, inpOff, inpLen, outp, 0); return outp; }
/** * Create a buffered block cipher PKCS7 padding * * @param cipher the underlying block cipher this buffering object wraps. */ public PaddedBufferedBlockCipher( BlockCipher cipher) { this(cipher, new PKCS7Padding()); }
public static String encrypt(String cleartext, String password, int iterations) throws EncryptionException, UnsupportedEncodingException { return encryptWithSetMode(cleartext, password, iterations, MODE_CBC, new ISO10126d2Padding()); }
protected BrokenJCEBlockCipher( BlockCipher engine, int pbeType, int pbeHash, int pbeKeySize, int pbeIvSize) { cipher = new PaddedBufferedBlockCipher(engine); this.pbeType = pbeType; this.pbeHash = pbeHash; this.pbeKeySize = pbeKeySize; this.pbeIvSize = pbeIvSize; }
public BcPKCS12PBEOutputEncryptorBuilder(ASN1ObjectIdentifier algorithm, BlockCipher engine, ExtendedDigest pbeDigest) { this.algorithm = algorithm; this.engine = new PaddedBufferedBlockCipher(engine, new PKCS7Padding()); this.digest = pbeDigest; }
private byte[] cipherData(PaddedBufferedBlockCipher cipher, byte[] data) throws Exception { int minSize = cipher.getOutputSize(data.length); byte[] outBuf = new byte[minSize]; int length1 = cipher.processBytes(data, 0, data.length, outBuf, 0); int length2 = cipher.doFinal(outBuf, length1); int actualLength = length1 + length2; byte[] result = new byte[actualLength]; System.arraycopy(outBuf, 0, result, 0, result.length); return result; }
/** * Create a buffered block cipher PKCS7 padding * * @param cipher the underlying block cipher this buffering object wraps. */ public PaddedBufferedBlockCipher( BlockCipher cipher) { this(cipher, new PKCS7Padding()); }
public static String decrypt(String ciphertext, String password, int iterations) throws UnsupportedEncodingException, InvalidCipherTextException, DecryptionException { return decryptWithSetMode(ciphertext, password, iterations, MODE_CBC, new ISO10126d2Padding()); }
BufferedGenericBlockCipher(org.spongycastle.crypto.BlockCipher cipher, BlockCipherPadding padding) { this.cipher = new PaddedBufferedBlockCipher(cipher, padding); }
BufferedGenericBlockCipher(BlockCipher cipher) { this.cipher = new PaddedBufferedBlockCipher(cipher); }
BufferedGenericBlockCipher(BlockCipher cipher, BlockCipherPadding padding) { this.cipher = new PaddedBufferedBlockCipher(cipher, padding); }
protected BrokenJCEBlockCipher( BlockCipher engine, int pbeType, int pbeHash, int pbeKeySize, int pbeIvSize) { cipher = new PaddedBufferedBlockCipher(engine); this.pbeType = pbeType; this.pbeHash = pbeHash; this.pbeKeySize = pbeKeySize; this.pbeIvSize = pbeIvSize; }
BufferedGenericBlockCipher(org.spongycastle.crypto.BlockCipher cipher) { this.cipher = new PaddedBufferedBlockCipher(cipher); }
BufferedGenericBlockCipher(org.spongycastle.crypto.BlockCipher cipher) { this.cipher = new PaddedBufferedBlockCipher(cipher); }
BufferedGenericBlockCipher(org.spongycastle.crypto.BlockCipher cipher, BlockCipherPadding padding) { this.cipher = new PaddedBufferedBlockCipher(cipher, padding); }