List of usage examples for java.security MessageDigest update
public final void update(ByteBuffer input)
From source file:support.AuthManager.java
public static String md5Custom(String st) { MessageDigest messageDigest = null; byte[] digest = new byte[0]; try {/* w ww .ja v a 2 s .c o m*/ messageDigest = MessageDigest.getInstance("MD5"); messageDigest.reset(); messageDigest.update(st.getBytes(StandardCharsets.UTF_8)); digest = messageDigest.digest(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } BigInteger bigInt = new BigInteger(1, digest); String md5Hex = bigInt.toString(16); while (md5Hex.length() < 32) { md5Hex = "0" + md5Hex; } return md5Hex; }
From source file:com.tlabs.eve.api.EveRequest.java
public static final String md5(EveRequest<? extends EveResponse> request) { String key = request.getClass().getSimpleName() + request.getPage(); Map<String, String> params = request.getParameters(); for (String p : params.keySet()) { key = appendKey(key, p + "=" + params.get(p)); }/* www. j ava2 s . com*/ try { MessageDigest digest = java.security.MessageDigest.getInstance("MD5"); digest.update(key.getBytes()); return new String(digest.digest()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); } }
From source file:com.magic.util.HashCrypt.java
public static String getDigestHashOldFunnyHexEncode(String str, String hashType) { if (UtilValidate.isEmpty(hashType)) hashType = "SHA"; if (str == null) return null; try {/*from w ww . j a va2s. c o m*/ MessageDigest messagedigest = MessageDigest.getInstance(hashType); byte strBytes[] = str.getBytes(); messagedigest.update(strBytes); byte digestBytes[] = messagedigest.digest(); int k = 0; char digestChars[] = new char[digestBytes.length * 2]; for (int l = 0; l < digestBytes.length; l++) { int i1 = digestBytes[l]; if (i1 < 0) { i1 = 127 + i1 * -1; } StringUtil.encodeInt(i1, k, digestChars); k += 2; } return new String(digestChars, 0, digestChars.length); } catch (Exception e) { Debug.logError(e, "Error while computing hash of type " + hashType, module); } return str; }
From source file:com.innoq.liqid.utils.SHACrypt.java
public static String encrypt(final String plaintext) { MessageDigest md = null; try {/*from w w w . ja v a 2 s . c o m*/ md = MessageDigest.getInstance("SHA"); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e.getMessage()); } try { md.update(plaintext.getBytes("UTF-8")); } catch (UnsupportedEncodingException e) { throw new RuntimeException(e.getMessage()); } byte[] raw = md.digest(); return Base64.encodeBase64String(raw); }
From source file:ECToken3.java
public static final String decryptv3(String key, String input) throws java.io.UnsupportedEncodingException, java.security.NoSuchAlgorithmException, javax.crypto.NoSuchPaddingException, java.security.InvalidKeyException, javax.crypto.IllegalBlockSizeException, javax.crypto.BadPaddingException, java.security.InvalidAlgorithmParameterException { //---------------------------------------------------- // Base64 decode //---------------------------------------------------- String result = null;//from w ww . j av a 2 s . co m Base64 encoder = new Base64(true); byte[] inputBytes = encoder.decode(input.getBytes("ASCII")); //---------------------------------------------------- // Get SHA-256 of key //---------------------------------------------------- MessageDigest md = MessageDigest.getInstance("SHA-256"); md.update(key.getBytes("ASCII")); byte[] keyDigest = md.digest(); //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| Decrypt\n"); //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| key: %s\n", key); //System.out.format("| token: %s\n", input); //---------------------------------------------------- // Rip up the ciphertext //---------------------------------------------------- byte[] ivBytes = new byte[12]; ivBytes = Arrays.copyOfRange(inputBytes, 0, ivBytes.length); byte[] cipherBytes = new byte[inputBytes.length - ivBytes.length]; cipherBytes = Arrays.copyOfRange(inputBytes, ivBytes.length, inputBytes.length); //---------------------------------------------------- // Decrypt //---------------------------------------------------- AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine()); cipher.init(false, new AEADParameters(new KeyParameter(keyDigest), MAC_SIZE_BITS, ivBytes)); //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| iv: %s\n", bytesToHex(ivBytes)); //System.out.format("| ciphertext: %s\n", bytesToHex(Arrays.copyOfRange(cipherBytes, 0, cipherBytes.length - 16))); //System.out.format("| tag: %s\n", bytesToHex(Arrays.copyOfRange(cipherBytes, cipherBytes.length - 16, cipherBytes.length))); //System.out.format("+-------------------------------------------------------------\n"); byte[] dec = new byte[cipher.getOutputSize(cipherBytes.length)]; try { int res = cipher.processBytes(cipherBytes, 0, cipherBytes.length, dec, 0); cipher.doFinal(dec, res); } catch (Exception e) { throw new RuntimeException(e); } //System.out.format("token: %s\n", new String(dec, "ASCII")); return new String(dec, "ASCII"); }
From source file:com.slimsmart.common.util.code.EncodeUtil.java
public static String SHA1Encode(String input) throws NoSuchAlgorithmException, UnsupportedEncodingException { MessageDigest m = MessageDigest.getInstance("sha-1"); m.update(input.getBytes("UTF8")); byte s[] = m.digest(); return hex(s); }
From source file:Main.java
public static byte[] calculateMd5(byte[] binaryData) { MessageDigest messageDigest = null; try {/*from www. j a v a 2 s .c o m*/ messageDigest = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("MD5 algorithm not found."); } messageDigest.update(binaryData); return messageDigest.digest(); }
From source file:com.fabernovel.alertevoirie.webservice.HttpPostRequest.java
private static String sha1(String raw) throws UnsupportedEncodingException, NoSuchAlgorithmException { byte[] bytes = raw.getBytes("UTF-8"); MessageDigest md = MessageDigest.getInstance(MGF1ParameterSpec.SHA1.getDigestAlgorithm()); md.update(bytes); byte[] digest = md.digest(); return toHex(digest); }
From source file:ECToken3.java
public static final String encryptv3(String key, String input) throws java.io.UnsupportedEncodingException, java.security.NoSuchAlgorithmException, javax.crypto.NoSuchPaddingException, java.security.InvalidKeyException, javax.crypto.IllegalBlockSizeException, javax.crypto.BadPaddingException, java.security.InvalidAlgorithmParameterException { //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| Encrypt\n"); //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| key: %s\n", key); //System.out.format("| token: %s\n", input); //---------------------------------------------------- // Get SHA-256 of key //---------------------------------------------------- MessageDigest md = MessageDigest.getInstance("SHA-256"); md.update(key.getBytes("ASCII")); byte[] keyDigest = md.digest(); //---------------------------------------------------- // Get Random IV //---------------------------------------------------- SecureRandom random = new SecureRandom(); byte[] ivBytes = new byte[12]; random.nextBytes(ivBytes);/*w w w .j a v a 2s.c o m*/ //---------------------------------------------------- // Encrypt //---------------------------------------------------- AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine()); cipher.init(true, new AEADParameters(new KeyParameter(keyDigest), MAC_SIZE_BITS, ivBytes)); byte[] inputBytes = input.getBytes("ASCII"); byte[] enc = new byte[cipher.getOutputSize(inputBytes.length)]; try { int res = cipher.processBytes(inputBytes, 0, inputBytes.length, enc, 0); cipher.doFinal(enc, res); } catch (Exception e) { throw new RuntimeException(e); } byte[] ivPlusCipherText = new byte[ivBytes.length + enc.length]; System.arraycopy(ivBytes, 0, ivPlusCipherText, 0, ivBytes.length); System.arraycopy(enc, 0, ivPlusCipherText, ivBytes.length, enc.length); //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| iv: %s\n", bytesToHex(ivBytes)); //System.out.format("| ciphertext: %s\n", bytesToHex(Arrays.copyOfRange(enc, 0, enc.length - 16))); //System.out.format("| tag: %s\n", bytesToHex(Arrays.copyOfRange(enc, enc.length - 16, enc.length))); //System.out.format("+-------------------------------------------------------------\n"); //System.out.format("| token: %s\n", bytesToHex(ivPlusCipherText)); //System.out.format("+-------------------------------------------------------------\n"); String result = null; byte[] temp = null; Base64 encoder = new Base64(0, temp, true); byte[] encodedBytes = encoder.encode(ivPlusCipherText); String encodedStr = new String(encodedBytes, "ASCII").trim(); String encodedStrTrim = encodedStr.trim(); return encodedStr.trim(); }
From source file:com.alkacon.opencms.commons.CmsStringCrypter.java
/** * Converts the given password to machine readable form.<p> * /*from w w w . ja v a 2 s. c o m*/ * @param password the password to convert to a machine readable key * @return the password in machine readable form */ private static byte[] getKey(String password) { try { MessageDigest md5 = MessageDigest.getInstance("MD5"); md5.update(password.toString().getBytes()); byte[] key = md5.digest(); // now get the first 8 bytes byte[] finalKey = new byte[8]; for (int i = 0; i <= 7; i++) { finalKey[i] = key[i]; } return finalKey; } catch (NoSuchAlgorithmException ex) { if (LOG.isErrorEnabled()) { LOG.error(Messages.get().getBundle().key(Messages.LOG_ERROR_CREATE_KEY_0), ex); } } return null; }