List of usage examples for org.bouncycastle.crypto BufferedBlockCipher BufferedBlockCipher
public BufferedBlockCipher(BlockCipher cipher)
From source file:br.com.elotech.karina.service.impl.GeradorSenhaElotech.java
@SneakyThrows private String internalGenerate(String concatLicense) { System.out.println(concatLicense); String keyForSha1 = DigestUtils.md5Hex(KEY_ELOTECH).toUpperCase(); System.out.println(keyForSha1); String keyForIdea = new String(Hex.encode(DigestUtils.getSha1Digest().digest(keyForSha1.getBytes()))) .toUpperCase();/*from ww w. ja v a 2s . c o m*/ System.out.println(keyForIdea); byte[] input = concatLicense.getBytes(); byte[] out = new byte[input.length]; KeyParameter keyParameter = new KeyParameter(keyForIdea.getBytes()); BufferedBlockCipher cipher = new BufferedBlockCipher(new IDEAEngine()); cipher.init(true, keyParameter); cipher.processBytes(input, 0, input.length, out, 0); String ideaSecret = Base64.getEncoder().encodeToString(out); System.out.println(ideaSecret); return null; }
From source file:cologne.eck.dr.op.crypto.password_hashing.Battcrypt_v0.java
License:Open Source License
@Override public byte[] hashPassword(int outlen, byte[] in, byte[] salt, int t_cost, int m_cost, Object... varArgs) throws DataLengthException, IllegalStateException, InvalidCipherTextException { SHA512Digest sha = new SHA512Digest(); int[] data = new int[DATA_SIZE_INT]; BlowfishEngine blowfish;// w w w. j a v a 2 s . c o m long upgradeLoops = 1; long loops; int memSize = 4 << m_cost;//= 4 * 2 ** m_cost int memMask = memSize - 1; int[] mem; byte[] hashBuffer = new byte[HASH_LENGTH_BYTE];// holds hash value as bytes byte[] dataBuffer = new byte[DATA_SIZE_BYTE];// holds encrypted bytes // These are the PHP max. values if (m_cost > 18 || // maximum: 2.147.483.648 bytes (t_cost & 0xffff) > 62 || (t_cost >> 16) > 63 || outlen > HASH_LENGTH_BYTE) { throw new IllegalArgumentException("invalid parameters"); } int tmp = t_cost >> 16; if (tmp != 0) { // upgradeLoops = 1, 2, 3, 4, 6, 8, 12, 16, ... upgradeLoops = (long) (3 - (tmp & 1)) << ((tmp - 1) >> 1); } // loops = 2, 3, 4, 6, 8, 12, 16, ... tmp = t_cost & 0xffff; loops = (long) ((tmp & 1) + 2) << (tmp >> 1); // key = SHA512(SHA512(salt) || in) byte[] keyBytes = new byte[HASH_LENGTH_BYTE]; sha.update(salt, 0, salt.length); sha.doFinal(keyBytes, 0); sha.reset(); sha.update(keyBytes, 0, HASH_LENGTH_BYTE); sha.update(in, 0, in.length);//password sha.doFinal(keyBytes, 0); sha.reset(); if (wipePassword == true) { Arrays.fill(in, (byte) 0); } // initialize cipher with 448 bit (56 byte) key: // truncate keyBytes: byte[] blowfishKey = new byte[56]; System.arraycopy(keyBytes, 0, blowfishKey, 0, 56); // use zeros as IV byte[] iv = new byte[IV_LENGTH_BYTE]; KeyParameter params = new KeyParameter(blowfishKey); Arrays.fill(blowfishKey, (byte) 0); ParametersWithIV ivParams = new ParametersWithIV(params, iv); blowfish = new BlowfishEngine(); // CBC, no padding: all vectors are multiples of Blowfish block length BufferedBlockCipher cipher = new BufferedBlockCipher(new CBCBlockCipher(blowfish)); cipher.init(true, ivParams); // initialize memory-hard vector: mem = new int[DATA_SIZE_INT * memSize]; for (long u = 0; u < upgradeLoops; u++) { // initialize data: // data = SHA512(BIG_ENDIAN_64( 0) || key) || ... // ... || SHA512(BIG_ENDIAN_64(31) || key) byte[] counterBytesBE = new byte[8]; // holds counter as long to update for (int i = 0; i < DATA_SIZE_BYTE / HASH_LENGTH_BYTE; i++) { counterBytesBE[7] = (byte) i; // set first byte sha.update(counterBytesBE, 0, counterBytesBE.length); // BIG_ENDIAN_64(i) sha.update(keyBytes, 0, HASH_LENGTH_BYTE); sha.doFinal(hashBuffer, 0); sha.reset(); // hash values allow weak garbage collector attack - // so, avoid new allocations: for (int j = 0; j < HASH_LENGTH_BYTE / 4; j++) { data[HASH_LENGTH_INT * i + j] = ((hashBuffer[j * 4 + 3] & 0xFF) << 24) | ((hashBuffer[j * 4 + 2] & 0xFF) << 16) | ((hashBuffer[j * 4 + 1] & 0xFF) << 8) | (hashBuffer[j * 4 + 0] & 0xFF); // little endian order } Arrays.fill(hashBuffer, (byte) 0); } // Initialize memory: for (int i = 0; i < memSize; i++) { // data = blowfish_encrypt_cbc(data) // mem = mem || data for (int j = 0; j < DATA_SIZE_INT; j++) { dataBuffer[j * 4 + 0] = (byte) (data[j]);// little endian dataBuffer[j * 4 + 1] = (byte) (data[j] >>> 8); dataBuffer[j * 4 + 2] = (byte) (data[j] >>> 16); dataBuffer[j * 4 + 3] = (byte) (data[j] >>> 24); } int len = cipher.processBytes(dataBuffer, 0, DATA_SIZE_BYTE, dataBuffer, 0); cipher.doFinal(dataBuffer, len); cipher.reset(); // get iv for next encryption step: // "running CBC": the last block of the // previous call is the IV for the next call System.arraycopy(dataBuffer, DATA_SIZE_BYTE - IV_LENGTH_BYTE, iv, 0, IV_LENGTH_BYTE); ivParams = new ParametersWithIV(params, iv); cipher.init(true, ivParams); for (int j = 0; j < DATA_SIZE_INT; j++) { data[j] = ((dataBuffer[j * 4 + 3] & 0xFF) << 24) | ((dataBuffer[j * 4 + 2] & 0xFF) << 16) | ((dataBuffer[j * 4 + 1] & 0xFF) << 8) | (dataBuffer[j * 4 + 0] & 0xFF); // little endian order } System.arraycopy(data, 0, mem, DATA_SIZE_INT * i, DATA_SIZE_INT); } // encrypt data: for (int j = 0; j < DATA_SIZE_INT; j++) { dataBuffer[j * 4 + 0] = (byte) (data[j]);// little endian dataBuffer[j * 4 + 1] = (byte) (data[j] >>> 8); dataBuffer[j * 4 + 2] = (byte) (data[j] >>> 16); dataBuffer[j * 4 + 3] = (byte) (data[j] >>> 24); } int len = cipher.processBytes(dataBuffer, 0, DATA_SIZE_BYTE, dataBuffer, 0); cipher.doFinal(dataBuffer, len); cipher.reset(); System.arraycopy(dataBuffer, DATA_SIZE_BYTE - IV_LENGTH_BYTE, iv, 0, IV_LENGTH_BYTE); ivParams = new ParametersWithIV(params, iv); cipher.init(true, ivParams); for (int j = 0; j < DATA_SIZE_INT; j++) { data[j] = ((dataBuffer[j * 4 + 3] & 0xFF) << 24) | ((dataBuffer[j * 4 + 2] & 0xFF) << 16) | ((dataBuffer[j * 4 + 1] & 0xFF) << 8) | (dataBuffer[j * 4 + 0] & 0xFF); // little endian order } // work: for (long i = 0; i < loops; i++) { for (int j = 0; j < memSize; j++) { // in the C++ reference implementation and the paper // this rValue a 64 bit integer, but this makes only a // difference for memSize > 0xFFFFFFFF +1, while the // recommended maximum for memSize is 2^32 int rValue = ((((int) data[DATA_SIZE_INT - 1]) << 24) & 0xff000000) | ((((int) data[DATA_SIZE_INT - 1]) << 8) & 0x00ff0000) | ((((int) data[DATA_SIZE_INT - 1]) >>> 8) & 0x0000ff00) | ((((int) data[DATA_SIZE_INT - 1]) >>> 24) & 0x000000ff); int index = (int) (DATA_SIZE_INT * (rValue & memMask)); for (int k = 0; k < DATA_SIZE_INT; k++) { mem[j * DATA_SIZE_INT + k] ^= data[k] ^ mem[index + k]; } // convert to byte: for (int k = 0; k < DATA_SIZE_INT; k++) { dataBuffer[k * 4 + 0] = (byte) (mem[j * DATA_SIZE_INT + k]); dataBuffer[k * 4 + 1] = (byte) (mem[j * DATA_SIZE_INT + k] >>> 8); dataBuffer[k * 4 + 2] = (byte) (mem[j * DATA_SIZE_INT + k] >>> 16); dataBuffer[k * 4 + 3] = (byte) (mem[j * DATA_SIZE_INT + k] >>> 24); } int len1 = cipher.processBytes(dataBuffer, 0, DATA_SIZE_BYTE, dataBuffer, 0); cipher.doFinal(dataBuffer, len1); cipher.reset(); // get iv for next step: System.arraycopy(dataBuffer, DATA_SIZE_BYTE - IV_LENGTH_BYTE, iv, 0, IV_LENGTH_BYTE); for (int k = 0; k < DATA_SIZE_INT; k++) { mem[j * DATA_SIZE_INT + k] = ((dataBuffer[k * 4 + 3] & 0xFF) << 24) | ((dataBuffer[k * 4 + 2] & 0xFF) << 16) | ((dataBuffer[k * 4 + 1] & 0xFF) << 8) | (dataBuffer[k * 4 + 0] & 0xFF); // little endian order } ivParams = new ParametersWithIV(params, iv); cipher.init(true, ivParams); // data ^= mem[j] for (int k = 0; k < DATA_SIZE_INT; k++) { data[k] ^= mem[DATA_SIZE_INT * j + k]; } } } // Finish // key = truncate(SHA512(SHA512(data || key)), outlen) || zeros(HASH_LENGTH - outlen) // convert to byte: for (int k = 0; k < DATA_SIZE_INT; k++) { dataBuffer[k * 4 + 0] = (byte) (data[k]); dataBuffer[k * 4 + 1] = (byte) (data[k] >>> 8); dataBuffer[k * 4 + 2] = (byte) (data[k] >>> 16); dataBuffer[k * 4 + 3] = (byte) (data[k] >>> 24); } sha.update(dataBuffer, 0, DATA_SIZE_BYTE); sha.update(keyBytes, 0, HASH_LENGTH_BYTE); sha.doFinal(keyBytes, 0); sha.reset(); } sha.update(keyBytes, 0, HASH_LENGTH_BYTE); sha.doFinal(keyBytes, 0); sha.reset(); byte[] out = new byte[outlen]; System.arraycopy(keyBytes, 0, out, 0, out.length); // Clean-up: Arrays.fill(keyBytes, (byte) 0); Arrays.fill(dataBuffer, (byte) 0); Arrays.fill(iv, (byte) 0); Arrays.fill(data, 0); Arrays.fill(mem, (byte) 0); // wipe the key from parameters Arrays.fill(params.getKey(), (byte) 0); // prevent dead code eliminations (compiler optimizations): if ((keyBytes[HASH_LENGTH_BYTE - 1] | blowfishKey[blowfishKey.length - 1] | dataBuffer[DATA_SIZE_BYTE - 1] | hashBuffer[HASH_LENGTH_BYTE - 1] | data[DATA_SIZE_INT - 1] | iv[IV_LENGTH_BYTE - 1] | mem[mem.length - 1] | params.getKey()[params.getKey().length - 1]) != 0) { System.err.print("zeroization failed!"); } if ((wipePassword == true) && (in[in.length - 1] != 0)) { System.err.print("zeroization failed!"); } return out; }
From source file:cologne.eck.peafactory.crypto.CipherStuff.java
License:Open Source License
/** * Encrypt/decrypt an array of bytes. This function is only used to * encrypt the session key//from w ww .j a v a2 s. c o m * * @param forEncryption - true for encryption, false for decryption * @param input - plain text or cipher text * @param key - the cryptographic key for the cipher * @param zeroize - fills the key with 0 for true (when the key is no longer used) * @return - plain text or cipher text */ public final static byte[] processCTR(boolean forEncryption, byte[] input, byte[] key, boolean zeroize) { //Help.printBytes("key", input); KeyParameter kp = new KeyParameter(key); if (zeroize == true) { Zeroizer.zero(key); } byte[] iv = null; if (forEncryption == false) { // input is ciphertext, IV is stored on top of ciphertext // get IV: iv = new byte[CipherStuff.getCipherAlgo().getBlockSize()]; System.arraycopy(input, 0, iv, 0, iv.length); // truncate ciphertext: byte[] tmp = new byte[input.length - iv.length]; System.arraycopy(input, iv.length, tmp, 0, tmp.length); input = tmp; } else { // input is plaintext iv = new RandomStuff().createRandomBytes(CipherStuff.getCipherAlgo().getBlockSize()); } ParametersWithIV ivp = new ParametersWithIV(kp, iv); BufferedBlockCipher b = new BufferedBlockCipher(new SICBlockCipher(cipherAlgo)); b.init(true, ivp); byte[] out = new byte[input.length]; int len = b.processBytes(input, 0, input.length, out, 0); try { len += b.doFinal(out, len); } catch (DataLengthException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InvalidCipherTextException e) { // TODO Auto-generated catch block e.printStackTrace(); } Zeroizer.zero(kp.getKey()); if (forEncryption == false) {// decryption: output plaintext return out; } else { // encryption: output (IV || ciphertext) Zeroizer.zero(input); // store IV on top of ciphertext byte[] tmp = new byte[out.length + iv.length]; System.arraycopy(iv, 0, tmp, 0, iv.length); System.arraycopy(out, 0, tmp, iv.length, out.length); return tmp; } }
From source file:com.github.horrorho.inflatabledonkey.file.FileStreamWriter.java
License:Open Source License
static InputStream decryptStream(InputStream in, XFileKey keyCipher) { BlockCipher cipher = keyCipher.ciphers().get(); cipher.init(false, new KeyParameter(keyCipher.key())); return new CipherInputStream(in, new BufferedBlockCipher(cipher)); }
From source file:com.github.horrorho.inflatabledonkey.pcs.xfile.BlockDecrypters.java
License:Open Source License
public static BlockDecrypter create(byte[] key) { BufferedBlockCipher cipher = new BufferedBlockCipher(new CBCBlockCipher(new AESFastEngine())); SHA1Digest digest = new SHA1Digest(); return create(cipher, digest, key); }
From source file:com.github.horrorho.liquiddonkey.cloud.file.FileDecrypter.java
License:Open Source License
/** * Returns a new instance./*from w w w . ja va2 s.c o m*/ * * @return a new instance, not null */ public static FileDecrypter create() { return FileDecrypter.from(new BufferedBlockCipher(new CBCBlockCipher(new AESEngine())), new SHA1Digest()); }
From source file:com.healthmarketscience.jackcess.impl.office.BlockCipherProvider.java
License:Apache License
@Override protected BufferedBlockCipher getBlockCipher() { if (_cipher == null) { _cipher = new BufferedBlockCipher(initCipher()); }/*ww w .ja v a 2 s . c o m*/ return _cipher; }
From source file:com.licel.jcardsim.crypto.SymmetricCipherImpl.java
License:Apache License
private void selectCipherEngine(Key theKey) { if (theKey == null) { CryptoException.throwIt(CryptoException.UNINITIALIZED_KEY); }//from ww w .j a va2 s .c om if (!theKey.isInitialized()) { CryptoException.throwIt(CryptoException.UNINITIALIZED_KEY); } if (!(theKey instanceof SymmetricKeyImpl)) { CryptoException.throwIt(CryptoException.ILLEGAL_VALUE); } SymmetricKeyImpl key = (SymmetricKeyImpl) theKey; switch (algorithm) { case ALG_DES_CBC_NOPAD: case ALG_AES_BLOCK_128_CBC_NOPAD: engine = new BufferedBlockCipher(new CBCBlockCipher(key.getCipher())); break; case ALG_DES_CBC_ISO9797_M1: engine = new PaddedBufferedBlockCipher(new CBCBlockCipher(key.getCipher()), new ZeroBytePadding()); break; case ALG_DES_CBC_ISO9797_M2: engine = new PaddedBufferedBlockCipher(new CBCBlockCipher(key.getCipher()), new ISO7816d4Padding()); break; case ALG_DES_CBC_PKCS5: engine = new PaddedBufferedBlockCipher(new CBCBlockCipher(key.getCipher()), new PKCS7Padding()); break; case ALG_DES_ECB_NOPAD: case ALG_AES_BLOCK_128_ECB_NOPAD: engine = new BufferedBlockCipher(key.getCipher()); break; case ALG_DES_ECB_ISO9797_M1: engine = new PaddedBufferedBlockCipher(key.getCipher(), new ZeroBytePadding()); break; case ALG_DES_ECB_ISO9797_M2: engine = new PaddedBufferedBlockCipher(key.getCipher(), new ISO7816d4Padding()); break; case ALG_DES_ECB_PKCS5: engine = new PaddedBufferedBlockCipher(key.getCipher(), new PKCS7Padding()); break; default: CryptoException.throwIt(CryptoException.NO_SUCH_ALGORITHM); break; } }
From source file:com.raphfrk.craftproxyclient.net.protocol.p16x.P16xProtocol.java
License:Open Source License
private void enableEncryption(PacketChannel server, PacketChannel client, byte[] serverSecret, byte[] clientSecret) { BufferedBlockCipher outServer = new BufferedBlockCipher(new CFBBlockCipher(new AESEngine(), 8)); BufferedBlockCipher inServer = new BufferedBlockCipher(new CFBBlockCipher(new AESEngine(), 8)); CipherParameters paramsServer = new ParametersWithIV(new KeyParameter(serverSecret), serverSecret); outServer.init(true, paramsServer);//ww w.j ava 2 s .co m inServer.init(false, paramsServer); BufferedBlockCipher outClient = new BufferedBlockCipher(new CFBBlockCipher(new AESEngine(), 8)); BufferedBlockCipher inClient = new BufferedBlockCipher(new CFBBlockCipher(new AESEngine(), 8)); CipherParameters paramsClient = new ParametersWithIV(new KeyParameter(clientSecret), clientSecret); outClient.init(true, paramsClient); inClient.init(false, paramsClient); client.setWrappedChannel(new CryptByteChannelWrapper(client.getRawChannel(), outClient, inClient)); server.setWrappedChannel(new CryptByteChannelWrapper(server.getRawChannel(), outServer, inServer)); }
From source file:com.raphfrk.craftproxyclient.net.protocol.p17xlogin.P17xLoginProtocol.java
License:Open Source License
private void enableEncryption(PacketChannel server, PacketChannel client, byte[] secret) { BufferedBlockCipher out = new BufferedBlockCipher(new CFBBlockCipher(new AESEngine(), 8)); BufferedBlockCipher in = new BufferedBlockCipher(new CFBBlockCipher(new AESEngine(), 8)); CipherParameters params = new ParametersWithIV(new KeyParameter(secret), secret); out.init(true, params);//from ww w .java 2s . c o m in.init(false, params); // Unencrypted client.setWrappedChannel(client.getRawChannel()); // AES server.setWrappedChannel(new CryptByteChannelWrapper(server.getRawChannel(), out, in)); }