List of usage examples for javax.crypto.spec DESKeySpec DESKeySpec
public DESKeySpec(byte[] key) throws InvalidKeyException
key as the key material for the DES key. From source file:org.yes.cart.web.support.util.cookie.impl.CookieTuplizerImpl.java
/** * Default Constructor.//w w w . java 2s . co m * * @param keyRingPassword key ring password to use. * @param chunkSize Base64 chunk size. * @param secretKeyFactoryName Secret Key Factory Name. * @param cipherName Cipher name. */ public CookieTuplizerImpl(final String keyRingPassword, final int chunkSize, final String secretKeyFactoryName, final String cipherName) { this.chunkSize = chunkSize; try { final DESKeySpec desKeySpec = new DESKeySpec(keyRingPassword.getBytes()); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(secretKeyFactoryName); secretKey = keyFactory.generateSecret(desKeySpec); // Create Cipher desCipher = Cipher.getInstance(cipherName); desCipher.init(Cipher.ENCRYPT_MODE, secretKey); // create uncipher desUnCipher = Cipher.getInstance(cipherName); desUnCipher.init(Cipher.DECRYPT_MODE, secretKey); } catch (Exception ike) { ShopCodeContext.getLog(this).error(ike.getMessage(), ike); throw new RuntimeException("Unable to load Cipher for CookieTuplizer", ike); } }
From source file:com.greenline.hrs.admin.util.encrypt.DESUtil.java
/** * Description ?// ww w . ja va 2 s. c o m * * @param data * @param key byte * @return * @throws Exception */ private static byte[] decrypt(byte[] data, byte[] key) throws GeneralSecurityException { // ???? SecureRandom sr = new SecureRandom(); // ?DESKeySpec DESKeySpec dks = new DESKeySpec(key); // ?DESKeySpec??SecretKey SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES); SecretKey securekey = keyFactory.generateSecret(dks); // Cipher?? Cipher cipher = Cipher.getInstance(DES); // ?Cipher cipher.init(Cipher.DECRYPT_MODE, securekey, sr); return cipher.doFinal(data); }
From source file:com.example.license.DESUtil.java
/** * ?/*from w w w . ja v a 2 s . co m*/ * * @param data * ? * @param key * * @return ?? */ public static String decryptBase64(String data, String key) throws Exception { DESKeySpec desKey = new DESKeySpec(key.getBytes()); // ?DESKeySpec?? SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(ALGORITHM); SecretKey securekey = keyFactory.generateSecret(desKey); Cipher cipher = Cipher.getInstance(ALGORITHM); cipher.init(Cipher.DECRYPT_MODE, securekey); // ? return new String(cipher.doFinal(Base64.decodeBase64(data.getBytes()))); }
From source file:com.titilink.common.app.EncryptDecryptUtil.java
public void testDES() throws InvalidKeyException, NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, BadPaddingException, IllegalBlockSizeException { ///*from ww w . j a v a2 s .com*/ DESKeySpec desKeySpec = new DESKeySpec("SECURITY".getBytes(Charset.forName("UTF-8"))); SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("DES"); SecretKey secretKey = secretKeyFactory.generateSecret(desKeySpec); //?? Cipher cipher = Cipher.getInstance("DES"); cipher.init(Cipher.ENCRYPT_MODE, secretKey, new SecureRandom()); byte[] cipherData = cipher .doFinal("this is a security text from server".getBytes(Charset.forName("UTF-8"))); //? Cipher cipher1 = Cipher.getInstance("DES"); cipher1.init(Cipher.DECRYPT_MODE, secretKey, new SecureRandom()); byte[] plainData = cipher1.doFinal(cipherData); System.out.println(new String(plainData, Charset.forName("UTF-8"))); }
From source file:com.cherong.mock.common.base.util.EncryptionUtil.java
/** * deskey//from w w w .j av a 2s . co m * * @param content * @param key * @return * @throws Exception */ public static byte[] encryptByDES(String content, String key) { try { DESKeySpec dks = new DESKeySpec(key.getBytes()); SecretKeyFactory skf = SecretKeyFactory.getInstance("DES"); SecretKey sk = skf.generateSecret(dks); Cipher cip = Cipher.getInstance(DES_CIPHER_ALGORITHM); cip.init(Cipher.ENCRYPT_MODE, sk); return cip.doFinal(content.getBytes()); } catch (Exception e) { LOGGER.error("{}", e); return null; } }
From source file:com.ubipass.middleware.web.action.LicenceMgtAction.java
private String getDate(String userName, String licenceKey) throws Exception { // DES????//from w w w . j a va 2 s . com SecureRandom sr = new SecureRandom(); byte rawKeyData[] = (userName + "midware").getBytes(); // ?DESKeySpec DESKeySpec dks = new DESKeySpec(rawKeyData); // ?DESKeySpec?? // SecretKey SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES"); SecretKey key = keyFactory.generateSecret(dks); // Cipher?? Cipher cipher = Cipher.getInstance("DES"); // ?Cipher cipher.init(Cipher.DECRYPT_MODE, key, sr); // ?? licenceKey = new String(cipher.doFinal(Base64.decodeBase64(licenceKey.getBytes()))); String[] tmpStr = licenceKey.split("-"); if (tmpStr.length == 2) return tmpStr[1]; throw new InvalidLicenseException(); }
From source file:com.shenit.commons.codec.DesUtils.java
/** * @param rawData//from w w w . j a va 2 s . co m * @param rawKey * @param mode */ private static byte[] crypt(byte[] rawData, byte[] rawKey, int mode) { try { return crypt(rawData, new DESKeySpec(rawKey), mode); } catch (InvalidKeyException e) { if (LOG.isWarnEnabled()) LOG.warn("[crypt] could not generate key spec for des", e); } return null; }
From source file:org.suren.autotest.web.framework.util.Encryptor.java
/** * ?/*from w w w . j a v a 2 s.c o m*/ * * @param desKey * @param algorithm ??? {@link #DES}? {@link #DESEDE}?{@link #AES}? * {@link #BLOWFISH}?{@link #RC2}? {@link #RC4} * @return */ public static SecretKey getSecretKey(byte[] desKey, String algorithm) { if (ALG_DES.equalsIgnoreCase(algorithm)) { try { SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(algorithm); DESKeySpec dks = new DESKeySpec(desKey); return keyFactory.generateSecret(dks); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e.getCause()); } catch (Exception e) { throw new IllegalArgumentException("?", e); } } return new SecretKeySpec(desKey, algorithm); }
From source file:com.mmj.app.common.security.EncryptBuilder.java
private byte[] doCrypt(String source, String secretKey, ICrypt iCrypt) throws InvalidKeyException, NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException { byte[] cryptedData = iCrypt.getCryptedData(source); Security.addProvider(new com.sun.crypto.provider.SunJCE()); SecureRandom sr = new SecureRandom(); byte[] rawKeyData = (new String(secretKey)).getBytes(); DESKeySpec dks = new DESKeySpec(rawKeyData); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES"); SecretKey key = keyFactory.generateSecret(dks); Cipher cipher = Cipher.getInstance("DES"); iCrypt.initCipher(key, sr, cipher);/*from w w w . j av a 2s .c om*/ return cipher.doFinal(cryptedData); }
From source file:com.cherong.mock.common.base.util.EncryptionUtil.java
/** * des//from www .ja va2 s.co m * * @param content * @param key * @return * @throws Exception */ public static String decryptByDES(byte[] content, String key) { try { DESKeySpec desKS = new DESKeySpec(key.getBytes()); SecretKeyFactory skf = SecretKeyFactory.getInstance("DES"); SecretKey sk = skf.generateSecret(desKS); Cipher cip = Cipher.getInstance(DES_CIPHER_ALGORITHM); cip.init(Cipher.DECRYPT_MODE, sk); byte[] result = cip.doFinal(content); return new String(result); } catch (Exception e) { LOGGER.error("{}", e); return null; } }