javax.crypto.Cipher Java Examples
The following examples show how to use
javax.crypto.Cipher.
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Crypto.java From Image-Steganography-Library-Android with MIT License | 8 votes |
public static String decryptMessage(String encrypted_message, String secret_key) throws Exception { Log.d("Decrypt", "message: + " + encrypted_message); // Creating key and cipher SecretKeySpec aesKey = new SecretKeySpec(secret_key.getBytes(), "AES"); Cipher cipher; //AES cipher cipher = Cipher.getInstance("AES"); // decrypting the text cipher.init(Cipher.DECRYPT_MODE, aesKey); String decrypted; byte[] decoded; decoded = android.util.Base64.decode(encrypted_message.getBytes(), 0); decrypted = new String(cipher.doFinal(decoded)); //returning decrypted text return decrypted; }
Example #2
Source File: ExtendedKey.java From bop-bitcoin-client with Apache License 2.0 | 6 votes |
public byte[] encrypt (String passphrase, boolean production) throws ValidationException { try { byte[] key = SCrypt.generate (passphrase.getBytes ("UTF-8"), BITCOIN_SEED, 16384, 8, 8, 32); SecretKeySpec keyspec = new SecretKeySpec (key, "AES"); Cipher cipher = Cipher.getInstance ("AES/CBC/PKCS5Padding", "BC"); cipher.init (Cipher.ENCRYPT_MODE, keyspec); byte[] iv = cipher.getIV (); byte[] c = cipher.doFinal (serialize (production).getBytes ()); byte[] result = new byte[iv.length + c.length]; System.arraycopy (iv, 0, result, 0, iv.length); System.arraycopy (c, 0, result, iv.length, c.length); return result; } catch ( UnsupportedEncodingException | NoSuchAlgorithmException | NoSuchProviderException | NoSuchPaddingException | InvalidKeyException | IllegalBlockSizeException | BadPaddingException e ) { throw new ValidationException (e); } }
Example #3
Source File: WrongAAD.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
private void decryptWithWrongAAD() throws Exception { System.out.println("decrypt with wrong AAD"); // initialize it with wrong AAD to get an exception during decryption Cipher decryptCipher = createCipher(Cipher.DECRYPT_MODE, encryptCipher.getParameters()); byte[] someAAD = Helper.generateBytes(AAD_SIZE + 1); decryptCipher.updateAAD(someAAD); // init output stream try (ByteArrayOutputStream baOutput = new ByteArrayOutputStream(); CipherOutputStream ciOutput = new CipherOutputStream(baOutput, decryptCipher);) { if (decrypt(ciOutput, baOutput)) { throw new RuntimeException( "A decryption has been perfomed successfully in" + " spite of the decrypt Cipher has been" + " initialized with fake AAD"); } } System.out.println("Passed"); }
Example #4
Source File: CryptVault.java From spring-data-mongodb-encrypt with Apache License 2.0 | 6 votes |
public byte[] decrypt(byte[] data) { int version = fromSignedByte(data[0]); CryptVersion cryptVersion = cryptVersion(version); try { byte[] random = new byte[cryptVersion.saltLength]; System.arraycopy(data, 1, random, 0, cryptVersion.saltLength); IvParameterSpec iv_spec = new IvParameterSpec(random); Cipher cipher = cipher(cryptVersions[version].cipher); cipher.init(Cipher.DECRYPT_MODE, cryptVersions[version].key, iv_spec); return cipher.doFinal(data, cryptVersion.saltLength + 1, data.length - cryptVersion.saltLength - 1); } catch (InvalidKeyException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException e) { // wrap checked exception for easy use throw new CryptOperationException("JCE exception caught while decrypting with key version " + version, e); } }
Example #5
Source File: Passphrase.java From RipplePower with Apache License 2.0 | 6 votes |
public static byte[] decrypt(Passphrase passphrase, byte[] encryptedData) throws Exception { if (encryptedData.length == 0) { return new byte[0]; } byte[] byteHolder1; byte[] byteHolder2 = null; try { List<Cipher> ciphers = cipherList(passphrase.getPassphraseHash(), Cipher.DECRYPT_MODE); byteHolder1 = ciphers.get(2).doFinal(encryptedData); byteHolder2 = ciphers.get(1).doFinal(byteHolder1); byteHolder1 = ciphers.get(0).doFinal(byteHolder2); byteHolder2 = unPad4AES(byteHolder1); } catch (Exception ex) { ex.printStackTrace(); } return byteHolder2; }
Example #6
Source File: StaticDESPasswordCipher.java From tomee with Apache License 2.0 | 6 votes |
/** * @throws RuntimeException in any case of error. * @see org.apache.openejb.cipher.PasswordCipher#decrypt(char[]) */ public String decrypt(final char[] encodedPassword) { if (null == encodedPassword || encodedPassword.length == 0) { throw new IllegalArgumentException("encodedPassword cannot be null nor empty."); } try { final byte[] cipherText = Base64.decodeBase64( String.valueOf(encodedPassword).getBytes()); // Get a 3DES Cipher object final Cipher cipher = Cipher.getInstance(TRANSFORMATION); // Set it into decryption mode cipher.init(Cipher.DECRYPT_MODE, KEY); // Decrypt data return new String(cipher.doFinal(cipherText)); } catch (final Exception e) { throw new OpenEJBRuntimeException(e); } }
Example #7
Source File: SameBuffer.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
private void runGCMWithSameArray(int mode, byte[] array, int txtOffset, int length, AlgorithmParameters params) throws Exception { // first, generate cipher text at an allocated buffer Cipher cipher = createCipher(mode, params); cipher.updateAAD(array, 0, AADLength); byte[] outputText = cipher.doFinal(array, txtOffset, length); // new cipher for encrypt operation Cipher anotherCipher = createCipher(mode, params); anotherCipher.updateAAD(array, 0, AADLength); // next, generate cipher text again at the same buffer of plain text int off = anotherCipher.update(array, txtOffset, length, array, txtOffset); anotherCipher.doFinal(array, txtOffset + off); // check if two results are equal or not if (!isEqual(array, txtOffset, outputText, 0, outputText.length)) { throw new RuntimeException( "Two results are not equal, mode:" + mode); } }
Example #8
Source File: DESEncrypt.java From SprintNBA with Apache License 2.0 | 6 votes |
public static String encode(String key, String data) { if (data == null) return null; try { DESKeySpec dks = new DESKeySpec(key.getBytes()); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES"); // key的长度不能够小于8位字节 Key secretKey = keyFactory.generateSecret(dks); Cipher cipher = Cipher.getInstance(ALGORITHM_DES); IvParameterSpec iv = new IvParameterSpec("12345678".getBytes()); AlgorithmParameterSpec paramSpec = iv; cipher.init(Cipher.ENCRYPT_MODE, secretKey, paramSpec); byte[] bytes = cipher.doFinal(data.getBytes()); return byte2hex(bytes); } catch (Exception e) { e.printStackTrace(); return data; } }
Example #9
Source File: CipherInputStreamExceptions.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
static void gcm_suppressUnreadCorrupt() throws Exception { Cipher c; byte[] read = new byte[200]; System.out.println("Running supressUnreadCorrupt test"); // Encrypt 100 bytes with AES/GCM/PKCS5Padding byte[] ct = encryptedText("GCM", 100); // Corrupt the encrypted message ct = corruptGCM(ct); // Create stream for decryption CipherInputStream in = getStream("GCM", ct); try { in.close(); System.out.println(" Pass."); } catch (IOException e) { System.out.println(" Fail: " + e.getMessage()); throw new RuntimeException(e.getCause()); } }
Example #10
Source File: SimpleCredentialsConfig.java From jackrabbit-filevault with Apache License 2.0 | 6 votes |
/** * Encrypts the given string in a fairly secure way so that it can be * {@link #decrypt(String) decrypted} again. * * @param s string to encrypt * @return the encrypted string with a "{AES}" prefix. */ private static String encrypt(String s) { try { SecretKey key = KeyGenerator.getInstance("DES").generateKey(); Cipher cipher = Cipher.getInstance("DES"); byte[] keyBytes = key.getEncoded(); byte[] data = s.getBytes("utf-8"); ByteArrayOutputStream out = new ByteArrayOutputStream(keyBytes.length + data.length); out.write(keyBytes); cipher.init(Cipher.ENCRYPT_MODE, key); out.write(cipher.update(data)); out.write(cipher.doFinal()); StringBuilder ret = new StringBuilder(PREFIX); for (byte b: out.toByteArray()) { ret.append(Text.hexTable[b>>4 & 0x0f]).append(Text.hexTable[b&0x0f]); } return ret.toString(); } catch (Exception e) { log.warn("Unable to encrypt string: " + e); return null; } }
Example #11
Source File: AesCbcWithIntegrity.java From java-aes-crypto with MIT License | 6 votes |
/** * Generates a random IV and encrypts this plain text with the given key. Then attaches * a hashed MAC, which is contained in the CipherTextIvMac class. * * @param plaintext The text that will be encrypted * @param secretKeys The combined AES and HMAC keys with which to encrypt * @return a tuple of the IV, ciphertext, mac * @throws GeneralSecurityException if AES is not implemented on this system */ public static CipherTextIvMac encrypt(byte[] plaintext, SecretKeys secretKeys) throws GeneralSecurityException { byte[] iv = generateIv(); Cipher aesCipherForEncryption = Cipher.getInstance(CIPHER_TRANSFORMATION); aesCipherForEncryption.init(Cipher.ENCRYPT_MODE, secretKeys.getConfidentialityKey(), new IvParameterSpec(iv)); /* * Now we get back the IV that will actually be used. Some Android * versions do funny stuff w/ the IV, so this is to work around bugs: */ iv = aesCipherForEncryption.getIV(); byte[] byteCipherText = aesCipherForEncryption.doFinal(plaintext); byte[] ivCipherConcat = CipherTextIvMac.ivCipherConcat(iv, byteCipherText); byte[] integrityMac = generateMac(ivCipherConcat, secretKeys.getIntegrityKey()); return new CipherTextIvMac(byteCipherText, iv, integrityMac); }
Example #12
Source File: DesUtil.java From javabase with Apache License 2.0 | 6 votes |
/** * Description 根据键值进行加密 * @param data * @param key 加密键byte数组 * @return * @throws Exception */ private static byte[] encrypt(byte[] data, byte[] key) throws Exception { // 生成一个可信任的随机数源 SecureRandom sr = new SecureRandom(); // 从原始密钥数据创建DESKeySpec对象 DESKeySpec dks = new DESKeySpec(key); // 创建一个密钥工厂,然后用它把DESKeySpec转换成SecretKey对象 SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES); SecretKey securekey = keyFactory.generateSecret(dks); // Cipher对象实际完成加密操作 Cipher cipher = Cipher.getInstance(DES); // 用密钥初始化Cipher对象 cipher.init(Cipher.ENCRYPT_MODE, securekey, sr); return cipher.doFinal(data); }
Example #13
Source File: CipherStreamClose.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
public static byte[] streamEncrypt(String message, SecretKey key, MessageDigest digest) throws Exception { byte[] data; Cipher encCipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); encCipher.init(Cipher.ENCRYPT_MODE, key); try (ByteArrayOutputStream bos = new ByteArrayOutputStream(); DigestOutputStream dos = new DigestOutputStream(bos, digest); CipherOutputStream cos = new CipherOutputStream(dos, encCipher)) { try (ObjectOutputStream oos = new ObjectOutputStream(cos)) { oos.writeObject(message); } data = bos.toByteArray(); } if (debug) { System.out.println(DatatypeConverter.printHexBinary(data)); } return data; }
Example #14
Source File: LogFile.java From mollyim-android with GNU General Public License v3.0 | 6 votes |
void writeEntry(@NonNull String entry) throws IOException { new SecureRandom().nextBytes(ivBuffer); byte[] plaintext = entry.getBytes(); try { cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(secret, "AES"), new IvParameterSpec(ivBuffer)); int cipherLength = cipher.getOutputSize(plaintext.length); byte[] ciphertext = ciphertextBuffer.get(cipherLength); cipherLength = cipher.doFinal(plaintext, 0, plaintext.length, ciphertext); outputStream.write(ivBuffer); outputStream.write(Conversions.intToByteArray(cipherLength)); outputStream.write(ciphertext, 0, cipherLength); outputStream.flush(); } catch (ShortBufferException | InvalidAlgorithmParameterException | InvalidKeyException | BadPaddingException | IllegalBlockSizeException e) { throw new AssertionError(e); } }
Example #15
Source File: VGV4dEVuY3J5cHRpb24.java From InjuredAndroid with Apache License 2.0 | 6 votes |
public static String encrypt(String value) { try { System.out.println(KEY); DESKeySpec keySpec = new DESKeySpec(KEY); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES"); SecretKey key = keyFactory.generateSecret(keySpec); byte[] clearText = value.getBytes("UTF8"); // Implement this in a thread safe way, or switch to AES. Cipher cipher = Cipher.getInstance("DES"); cipher.init(Cipher.ENCRYPT_MODE, key); String encrypedText = Base64.encodeToString(cipher.doFinal(clearText), Base64.DEFAULT); Log.d("Oh snap!", "Encrypted: " + value + " -> " + encrypedText); return encrypedText; } catch (InvalidKeyException | UnsupportedEncodingException | InvalidKeySpecException | NoSuchAlgorithmException | BadPaddingException | NoSuchPaddingException | IllegalBlockSizeException e) { e.printStackTrace(); } return value; }
Example #16
Source File: ENCRYPT1_4.java From gemfirexd-oss with Apache License 2.0 | 6 votes |
@Override // GemStoneAddition public void init() throws Exception { // generate keys according to the specified algorithms // generate publicKey and Private Key using RSA KeyPairGenerator KpairGen=KeyPairGenerator.getInstance(getAlgorithm(asymAlgorithm)); KpairGen.initialize(asymInit, new SecureRandom()); Kpair=KpairGen.generateKeyPair(); // generate secret key KeyGenerator keyGen=KeyGenerator.getInstance(getAlgorithm(symAlgorithm)); keyGen.init(symInit); desKey=keyGen.generateKey(); // initialize for rsa, cipher encryption/decryption rsa=Cipher.getInstance(asymAlgorithm); cipher=Cipher.getInstance(symAlgorithm); if(log.isInfoEnabled()) log.info(ExternalStrings.ENCRYPT1_4_BOTH_ASYM_AND_SYM_ALGO_INITIALIZED_WITH_THE_SINGLE_SHARED_KEY); }
Example #17
Source File: SSLCipher.java From openjsse with GNU General Public License v2.0 | 5 votes |
StreamReadCipher(Authenticator authenticator, ProtocolVersion protocolVersion, String algorithm, Key key, AlgorithmParameterSpec params, SecureRandom random) throws GeneralSecurityException { super(authenticator, protocolVersion); this.cipher = JsseJce.getCipher(algorithm); cipher.init(Cipher.DECRYPT_MODE, key, params, random); }
Example #18
Source File: Encryptor.java From opentest with MIT License | 5 votes |
public String decrypt(String encryptedData) { try { IvParameterSpec iv = new IvParameterSpec(this.initVector.getBytes("UTF-8")); SecretKey key = getKey(); this.getCypher().init(Cipher.DECRYPT_MODE, key, iv); byte[] original = this.getCypher().doFinal(Base64.getDecoder().decode(encryptedData.toString())); return new String(original); } catch (Exception ex) { throw new RuntimeException(ex); } }
Example #19
Source File: EncryptDES.java From translationstudio8 with GNU General Public License v2.0 | 5 votes |
public EncryptDES() throws NoSuchAlgorithmException, NoSuchPaddingException{ //ʵ����֧��DES�㷨����Կ������(�㷨���������谴�涨�������׳��쳣) keygen = KeyGenerator.getInstance("DES", new org.bouncycastle.jce.provider.BouncyCastleProvider()); //������Կ deskey = keygen.generateKey(); //����Cipher����,ָ����֧�ֵ�DES�㷨 c = Cipher.getInstance("DES"); }
Example #20
Source File: AES128.java From live-chat-engine with Apache License 2.0 | 5 votes |
public static byte[] encode(byte[] input, byte[] key) { key = getNormalKey(key); try { Cipher cipher = Cipher.getInstance(CIPHER); cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key, KEY_ALG)); byte[] hexed = new Hex().encode(input); byte[] encoded = cipher.doFinal(hexed); return encoded; } catch (Exception e) { throw new IllegalStateException("can't encode", e); } }
Example #21
Source File: CryptUtil.java From PowerFileExplorer with GNU General Public License v3.0 | 5 votes |
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2) private static void rsaDecrypt(Context context, BufferedInputStream inputStream, BufferedOutputStream outputStream) throws NoSuchPaddingException, NoSuchAlgorithmException, NoSuchProviderException, CertificateException, BadPaddingException, InvalidAlgorithmParameterException, KeyStoreException, UnrecoverableEntryException, IllegalBlockSizeException, InvalidKeyException, IOException { Cipher cipher = Cipher.getInstance(ALGO_AES, "BC"); RSAKeygen keygen = new RSAKeygen(context); IvParameterSpec ivParameterSpec = new IvParameterSpec(IV.getBytes()); cipher.init(Cipher.DECRYPT_MODE, keygen.getSecretKey(), ivParameterSpec); CipherInputStream cipherInputStream = new CipherInputStream(inputStream, cipher); byte[] buffer = new byte[GenericCopyUtil.DEFAULT_BUFFER_SIZE]; int count; try { while ((count = cipherInputStream.read(buffer)) != -1) { outputStream.write(buffer, 0, count); ServiceWatcherUtil.POSITION+=count; } } finally { outputStream.flush(); outputStream.close(); cipherInputStream.close(); } }
Example #22
Source File: PBECipherWrapper.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
public AES(String algo, String passwd) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeySpecException { super(algo, 0); ci = Cipher.getInstance(algo); SecretKeyFactory skf = SecretKeyFactory.getInstance(algo); key = skf.generateSecret(new PBEKeySpec(passwd.toCharArray())); }
Example #23
Source File: SecurityUtils.java From PreferenceRoom with Apache License 2.0 | 5 votes |
public static String decrypt(String input) { if (input == null) return null; byte[] decrypted = null; try { SecretKeySpec skey = new SecretKeySpec(key.getBytes(), "AES"); Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE, skey); decrypted = cipher.doFinal(Base64.decode(input, Base64.DEFAULT)); } catch (Exception e) { e.printStackTrace(); } return new String(decrypted); }
Example #24
Source File: AesCbcEncryption.java From armadillo with Apache License 2.0 | 5 votes |
@Override public byte[] encrypt(byte[] rawEncryptionKey, byte[] rawData, @Nullable byte[] associatedData) throws AuthenticatedEncryptionException { checkAesKey(rawEncryptionKey); byte[] iv = null; byte[] encrypted = null; byte[] mac = null; try { iv = new byte[IV_LENGTH_BYTE]; secureRandom.nextBytes(iv); final Cipher cipherEnc = getCipher(); cipherEnc.init(Cipher.ENCRYPT_MODE, createEncryptionKey(rawEncryptionKey), new IvParameterSpec(iv)); encrypted = cipherEnc.doFinal(rawData); mac = macCipherText(rawEncryptionKey, encrypted, iv, associatedData); ByteBuffer byteBuffer = ByteBuffer.allocate(1 + iv.length + 1 + mac.length + encrypted.length); byteBuffer.put((byte) iv.length); byteBuffer.put(iv); byteBuffer.put((byte) mac.length); byteBuffer.put(mac); byteBuffer.put(encrypted); return byteBuffer.array(); } catch (Exception e) { throw new AuthenticatedEncryptionException("could not encrypt", e); } finally { Bytes.wrapNullSafe(iv).mutable().secureWipe(); Bytes.wrapNullSafe(encrypted).mutable().secureWipe(); Bytes.wrapNullSafe(mac).mutable().secureWipe(); } }
Example #25
Source File: CryptoUtils.java From hedera-sdk-java with Apache License 2.0 | 5 votes |
static Cipher initAesCbc128Encrypt(KeyParameter cipherKey, byte[] iv) { final Cipher aesCipher; try { aesCipher = Cipher.getInstance("AES/CBC/NoPadding"); } catch (NoSuchAlgorithmException | NoSuchPaddingException e) { throw new Error("platform does not support AES-CBC ciphers"); } return initAesCipher(aesCipher, cipherKey, iv, false); }
Example #26
Source File: DefaultCryptor.java From commons-vfs with Apache License 2.0 | 5 votes |
/** * Decrypts the password. * * @param encryptedKey the encrypted password. * @return The plain text password. * @throws Exception If an error occurs. */ @Override public String decrypt(final String encryptedKey) throws Exception { final SecretKeySpec key = new SecretKeySpec(KEY_BYTES, "AES"); final Cipher cipher = Cipher.getInstance("AES"); cipher.init(Cipher.DECRYPT_MODE, key); final byte[] decoded = decode(encryptedKey); final byte[] plainText = new byte[cipher.getOutputSize(decoded.length)]; int ptLength = cipher.update(decoded, 0, decoded.length, plainText, 0); ptLength += cipher.doFinal(plainText, ptLength); return new String(plainText).substring(0, ptLength); }
Example #27
Source File: RsaOaep.java From java-telegram-bot-api with Apache License 2.0 | 5 votes |
static byte[] decrypt(String privateKey, byte[] secret) throws Exception { String pkcs8Pem = privateKey; pkcs8Pem = pkcs8Pem.replace("-----BEGIN RSA PRIVATE KEY-----", ""); pkcs8Pem = pkcs8Pem.replace("-----END RSA PRIVATE KEY-----", ""); pkcs8Pem = pkcs8Pem.replaceAll("\\s+", ""); byte[] pkcs8EncodedBytes = Base64.decode(pkcs8Pem, 0); KeyFactory kf = KeyFactory.getInstance("RSA"); PrivateKey privKey = kf.generatePrivate(getRSAKeySpec(pkcs8EncodedBytes)); Cipher cipher = Cipher.getInstance("RSA/ECB/OAEPWithSHA-1AndMGF1Padding"); cipher.init(Cipher.DECRYPT_MODE, privKey); return cipher.doFinal(secret); }
Example #28
Source File: PassphraseSecretsImpl.java From Zom-Android-XMPP with GNU General Public License v3.0 | 5 votes |
/** * Encrypts the data with AES GSM Does not wipe the data nor the key * * @param x_passphraseKey * @param iv * @param data * @return the encrypted key ciphertext * @throws GeneralSecurityException */ public byte[] encryptSecretKey(SecretKey x_passphraseKey, byte[] iv, byte[] data) throws GeneralSecurityException { Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding"); // TODO(abel) follow this rabbit hole down and wipe it! cipher.init(Cipher.ENCRYPT_MODE, x_passphraseKey, new IvParameterSpec(iv)); return cipher.doFinal(data); }
Example #29
Source File: DESTest.java From java_security with MIT License | 5 votes |
public static void jdkDES() { try { // 生成KEY KeyGenerator keyGenerator = KeyGenerator.getInstance("DES"); keyGenerator.init(56); // 产生密钥 SecretKey secretKey = keyGenerator.generateKey(); // 获取密钥 byte[] bytesKey = secretKey.getEncoded(); // KEY转换 DESKeySpec desKeySpec = new DESKeySpec(bytesKey); SecretKeyFactory factory = SecretKeyFactory.getInstance("DES"); Key convertSecretKey = factory.generateSecret(desKeySpec); // 加密 Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, convertSecretKey); byte[] result = cipher.doFinal(src.getBytes()); System.out.println("jdk des encrypt:" + Hex.encodeHexString(result)); // 解密 cipher.init(Cipher.DECRYPT_MODE, convertSecretKey); result = cipher.doFinal(result); System.out.println("jdk des decrypt:" + new String(result)); } catch (Exception e) { e.printStackTrace(); } }
Example #30
Source File: FormRecordToFileTask.java From commcare-android with Apache License 2.0 | 5 votes |
private void decryptCopyFiles(File[] files, File targetDirectory, Cipher decryptCipher) throws IOException{ for (File file : files) { // This is not the ideal long term solution for determining whether we need decryption, but works if (file.getName().endsWith(".xml")) { FileUtil.copyFile(file, new File(targetDirectory, file.getName()), decryptCipher, null); } else { FileUtil.copyFile(file, new File(targetDirectory, file.getName())); } } }