List of usage examples for javax.crypto.spec DESedeKeySpec DESedeKeySpec
public DESedeKeySpec(byte[] key) throws InvalidKeyException
key as the key material for the DES-EDE key. From source file:com.orig.gls.security.Encode.java
public Encode(String keyString, String ivString) { try {/*from w w w .ja v a 2 s . c o m*/ final MessageDigest md = MessageDigest.getInstance("md5"); final byte[] digestOfPassword = md.digest(Base64.decodeBase64(keyString.getBytes("utf-8"))); final byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24); for (int j = 0, k = 16; j < 8;) { keyBytes[k++] = keyBytes[j++]; } keySpec = new DESedeKeySpec(keyBytes); key = SecretKeyFactory.getInstance("DESede").generateSecret(keySpec); iv = new IvParameterSpec(ivString.getBytes()); } catch (UnsupportedEncodingException asd) { System.out.println(asd.getMessage()); } catch (InvalidKeyException asd) { System.out.println(asd.getMessage()); } catch (NoSuchAlgorithmException asd) { System.out.println(asd.getMessage()); } catch (InvalidKeySpecException asd) { System.out.println(asd.getMessage()); } }
From source file:com.vmware.o11n.plugin.crypto.service.CryptoEncryptionService.java
/** * TripleDES (EDE) Decryption CBC Mode with PKCS5 padding * * @param encryptedB64 Encrypted data Base64 encoded * @param secretB64 Encryption secret Base64 encoded. Secret must be at least 24 bytes. Only the first 24 bytes will be used. * @param ivB64 Initialization Vector Base64 encoded. Only first 8 bytes will be used. * @return Original data Base64 encoded. * @throws NoSuchAlgorithmException/* ww w . j a va2s .co m*/ * @throws NoSuchPaddingException * @throws InvalidKeyException * @throws InvalidAlgorithmParameterException * @throws IOException * @throws BadPaddingException * @throws IllegalBlockSizeException */ public String tripleDesDecrypt(String encryptedB64, String secretB64, String ivB64) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException { String dataB64 = null; final byte[] encryptedBytes = Base64.decodeBase64(encryptedB64); final byte[] secretBytes = Base64.decodeBase64(secretB64); final byte[] ivBytes = Base64.decodeBase64(ivB64); final Cipher cipher = Cipher.getInstance(DESEDE_CIPHER); DESedeKeySpec keySpec = new DESedeKeySpec(secretBytes); cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(keySpec.getKey(), "DESede"), new IvParameterSpec(ivBytes, 0, cipher.getBlockSize())); dataB64 = Base64.encodeBase64String(cipher.doFinal(encryptedBytes)); return dataB64; }
From source file:com.anteam.demo.codec.cipher.symmetric.DESedeCoder.java
/** * DESkey/*from w w w. j a v a 2 s . c o m*/ * * @param key */ public void setKey(byte[] key) { if (key != null && key.length >= BasicCoder.MIN_KEY_LENGTH) { this.key = key; } try { keySpec = new DESedeKeySpec(this.key); } catch (InvalidKeyException e) { LOG.error("DESedeKeySpec:" + this.key, e); } }
From source file:gov.va.ds4p.ds4pmobileportal.ui.eHealthExchange.java
public String decryptDocumentExcludeElements(byte[] processDocBytes, byte[] kekEncryptionKeyBytes) { Document processedDoc = null; String processedDocString = ""; DESedeKeySpec desedeEncryptKeySpec; try {/* w w w. j a v a 2s.com*/ org.apache.xml.security.Init.init(); String processDocString = new String(processDocBytes); processedDoc = loadDocument(processDocString); desedeEncryptKeySpec = new DESedeKeySpec(kekEncryptionKeyBytes); SecretKeyFactory skfEncrypt = SecretKeyFactory.getInstance("DESede"); SecretKey desedeEncryptKey = skfEncrypt.generateSecret(desedeEncryptKeySpec); /************************************************* * DECRYPT DOCUMENT *************************************************/ Element encryptedDataElement = (Element) processedDoc.getElementsByTagNameNS( EncryptionConstants.EncryptionSpecNS, EncryptionConstants._TAG_ENCRYPTEDDATA).item(0); /* * The key to be used for decrypting xml data would be obtained from * the keyinfo of the EncrypteData using the kek. */ XMLCipher xmlCipher = XMLCipher.getInstance(); xmlCipher.init(XMLCipher.DECRYPT_MODE, null); xmlCipher.setKEK(desedeEncryptKey); /* * The following doFinal call replaces the encrypted data with * decrypted contents in the document. */ if (encryptedDataElement != null) xmlCipher.doFinal(processedDoc, encryptedDataElement); processedDocString = converXmlDocToString(processedDoc); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return processedDocString; }
From source file:gov.va.ds4p.ds4pmobileportal.ui.eHealthExchange.java
public String decryptDocument(byte[] processDocBytes, byte[] kekEncryptionKeyBytes, byte[] kekMaskingKeyBytes) { Document processedDoc = null; String processedDocString = ""; DESedeKeySpec desedeEncryptKeySpec; DESedeKeySpec desedeMaskKeySpec; try {// ww w .j a va 2s . c o m org.apache.xml.security.Init.init(); String processDocString = new String(processDocBytes); processedDoc = loadDocument(processDocString); desedeEncryptKeySpec = new DESedeKeySpec(kekEncryptionKeyBytes); SecretKeyFactory skfEncrypt = SecretKeyFactory.getInstance("DESede"); SecretKey desedeEncryptKey = skfEncrypt.generateSecret(desedeEncryptKeySpec); desedeMaskKeySpec = new DESedeKeySpec(kekMaskingKeyBytes); SecretKeyFactory skfMask = SecretKeyFactory.getInstance("DESede"); SecretKey desedeMaskKey = skfMask.generateSecret(desedeMaskKeySpec); /************************************************* * DECRYPT DOCUMENT *************************************************/ Element encryptedDataElement = (Element) processedDoc.getElementsByTagNameNS( EncryptionConstants.EncryptionSpecNS, EncryptionConstants._TAG_ENCRYPTEDDATA).item(0); /* * The key to be used for decrypting xml data would be obtained from * the keyinfo of the EncrypteData using the kek. */ XMLCipher xmlCipher = XMLCipher.getInstance(); xmlCipher.init(XMLCipher.DECRYPT_MODE, null); xmlCipher.setKEK(desedeEncryptKey); /* * The following doFinal call replaces the encrypted data with * decrypted contents in the document. */ if (encryptedDataElement != null) xmlCipher.doFinal(processedDoc, encryptedDataElement); /************************************************* * DECRYPT ELEMENTS *************************************************/ NodeList encryptedDataElements = processedDoc.getElementsByTagNameNS( EncryptionConstants.EncryptionSpecNS, EncryptionConstants._TAG_ENCRYPTEDDATA); while (encryptedDataElements.getLength() > 0) { /* * The key to be used for decrypting xml data would be obtained * from the keyinfo of the EncrypteData using the kek. */ XMLCipher xmlMaskCipher = XMLCipher.getInstance(); xmlMaskCipher.init(XMLCipher.DECRYPT_MODE, null); xmlMaskCipher.setKEK(desedeMaskKey); xmlMaskCipher.doFinal(processedDoc, ((Element) encryptedDataElements.item(0))); encryptedDataElements = processedDoc.getElementsByTagNameNS(EncryptionConstants.EncryptionSpecNS, EncryptionConstants._TAG_ENCRYPTEDDATA); } processedDocString = converXmlDocToString(processedDoc); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return processedDocString; }
From source file:netinf.common.security.impl.CryptoAlgorithmImpl.java
@Override public SecretKey getSecretKeyFromString(String contentAlgorithmName, String password) throws NetInfCheckedSecurityException { try {// ww w .j a v a2 s . c o m DESedeKeySpec desKeySpec = new DESedeKeySpec(password.getBytes()); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(contentAlgorithmName); return keyFactory.generateSecret(desKeySpec); } catch (Exception e) { throw new NetInfCheckedSecurityException("Unable to create SecretKey. " + e.getMessage()); } }
From source file:org.acegisecurity.util.EncryptionUtils.java
private static byte[] cipher(String key, byte[] passedBytes, int cipherMode) throws EncryptionException { try {/* w ww .ja va2 s . c o m*/ final KeySpec keySpec = new DESedeKeySpec(stringToByteArray(key)); final SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede"); final Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding"); final SecretKey secretKey = keyFactory.generateSecret(keySpec); cipher.init(cipherMode, secretKey); return cipher.doFinal(passedBytes); } catch (final Exception e) { throw new EncryptionException(e.getMessage(), e); } }
From source file:org.alfresco.encryption.AlfrescoKeyStoreImpl.java
protected Key getSecretKey(KeyInformation keyInformation) throws NoSuchAlgorithmException, InvalidKeyException, InvalidKeySpecException { byte[] keyData = keyInformation.getKeyData(); if (keyData == null) { if (keyInformation.getKeyAlgorithm().equals("DESede")) { // no key data provided, generate key data automatically keyData = generateKeyData(); } else {//ww w .j a v a 2s . c o m throw new AlfrescoRuntimeException( "Unable to generate secret key: key algorithm is not DESede and no keyData provided"); } } DESedeKeySpec keySpec = new DESedeKeySpec(keyData); SecretKeyFactory kf = SecretKeyFactory.getInstance(keyInformation.getKeyAlgorithm()); SecretKey secretKey = kf.generateSecret(keySpec); return secretKey; }
From source file:org.alfresco.encryption.KeyStoreTests.java
protected Key generateSecretKey(String keyAlgorithm) { try {/*from ww w .j a v a 2 s . co m*/ DESedeKeySpec keySpec = new DESedeKeySpec(generateKeyData()); SecretKeyFactory kf = SecretKeyFactory.getInstance(keyAlgorithm); SecretKey secretKey = kf.generateSecret(keySpec); return secretKey; } catch (Throwable e) { fail("Unexpected exception: " + e.getMessage()); return null; } }
From source file:org.alfresco.repo.lotus.ws.impl.auth.LtpaAuthenticator.java
private byte[] getSecretKey(String ltpa3DESKey, String ltpaPassword) throws Exception { MessageDigest md = MessageDigest.getInstance("SHA"); md.update(ltpaPassword.getBytes());/*from w w w. jav a 2 s. c o m*/ byte[] hash3DES = new byte[24]; System.arraycopy(md.digest(), 0, hash3DES, 0, 20); Arrays.fill(hash3DES, 20, 24, (byte) 0); final Cipher cipher = Cipher.getInstance(DES_DECRIPTING_ALGORITHM); final KeySpec keySpec = new DESedeKeySpec(hash3DES); final Key secretKey = SecretKeyFactory.getInstance("DESede").generateSecret(keySpec); cipher.init(Cipher.DECRYPT_MODE, secretKey); byte[] secret = cipher.doFinal(Base64.decodeBase64(ltpa3DESKey.getBytes())); return secret; }