List of usage examples for javax.crypto Mac doFinal
public final byte[] doFinal(byte[] input) throws IllegalStateException
From source file:com.amazonaws.tvm.Utilities.java
public static String sign(String content, String key) { try {/*from ww w.j a v a 2 s. co m*/ byte[] data = content.getBytes(Constants.ENCODING_FORMAT); Mac mac = Mac.getInstance(Constants.SIGNATURE_METHOD); mac.init(new SecretKeySpec(key.getBytes(Constants.ENCODING_FORMAT), Constants.SIGNATURE_METHOD)); char[] signature = Hex.encodeHex(mac.doFinal(data)); return new String(signature); } catch (Exception exception) { log.log(Level.SEVERE, "Exception during sign", exception); } return null; }
From source file:Pusher.java
/** * Returns a HMAC/SHA256 representation of the given string * @param data//from w ww .j a v a 2 s . com * @return */ private static String hmacsha256Representation(String data) { try { // Create the HMAC/SHA256 key from application secret final SecretKeySpec signingKey = new SecretKeySpec(pusherApplicationSecret.getBytes(), "HmacSHA256"); // Create the message authentication code (MAC) final Mac mac = Mac.getInstance("HmacSHA256"); mac.init(signingKey); //Process and return data byte[] digest = mac.doFinal(data.getBytes("UTF-8")); digest = mac.doFinal(data.getBytes()); //Convert to string BigInteger bigInteger = new BigInteger(1, digest); return String.format("%0" + (digest.length << 1) + "x", bigInteger); } catch (NoSuchAlgorithmException nsae) { //We should never come here, because GAE has HMac SHA256 throw new RuntimeException("No HMac SHA256 algorithm"); } catch (UnsupportedEncodingException e) { //We should never come here, because UTF-8 should be available throw new RuntimeException("No UTF-8"); } catch (InvalidKeyException e) { throw new RuntimeException("Invalid key exception while converting to HMac SHA256"); } }
From source file:com.emc.atmos.api.RestUtil.java
public static String sign(String string, byte[] hashKey) { try {//from ww w . j av a 2 s .co m // Compute the signature hash l4j.debug("Hashing: \n" + string); byte[] input = string.getBytes("UTF-8"); Mac mac = Mac.getInstance("HmacSHA1"); SecretKeySpec key = new SecretKeySpec(hashKey, "HmacSHA1"); mac.init(key); byte[] hashBytes = mac.doFinal(input); // Encode the hash in Base64. String hash = new String(Base64.encodeBase64(hashBytes), "UTF-8"); l4j.debug("Hash: " + hash); return hash; } catch (Exception e) { throw new RuntimeException("Error signing string:\n" + string + "\n", e); } }
From source file:air.com.snagfilms.utils.Utils.java
public static String getfilmriseParameters() { StringBuilder strBlr = null;/*from www .ja v a 2 s . c o m*/ try { SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"); dateFormat.setTimeZone(TimeZone.getTimeZone("UTC")); long longs = System.currentTimeMillis(); String timestamp = dateFormat.format(longs); ; String stringToSign = timestamp; // Query uses this string // Compute the signature and base64 encode it. String algorithm = "HmacSHA1"; SecretKeySpec key = new SecretKeySpec(SECRET_KEY.getBytes(), algorithm); Mac mac = Mac.getInstance(algorithm); mac.init(key); String signature = new String(Base64.encodeBase64(mac.doFinal(stringToSign.getBytes()))); System.out.println(signature);// required for Query signature = URLEncoder.encode(signature, "UTF-8"); strBlr = new StringBuilder(); strBlr.append(Constants.ACCESS_KEY); strBlr.append("="); strBlr.append(ACCESS_KEY); strBlr.append("&"); strBlr.append(Constants.TIME_STAMP); strBlr.append("="); strBlr.append(timestamp); strBlr.append("&"); strBlr.append(Constants.SIGNATURE); strBlr.append("="); strBlr.append(signature); strBlr.append("&"); strBlr.append(Constants.SITE); strBlr.append("="); strBlr.append(Constants.filmrise); strBlr.append("&"); strBlr.append(Constants.DEVICE); strBlr.append("="); strBlr.append("android"); return strBlr.toString(); } catch (Exception e) { } return null; }
From source file:ch.rasc.wampspring.cra.DefaultAuthenticationHandler.java
public static String generateHMacSHA256(final String key, final String data) throws InvalidKeyException, NoSuchAlgorithmException { Assert.notNull(key, "key is required"); Assert.notNull(data, "data is required"); final Mac hMacSHA256 = Mac.getInstance("HmacSHA256"); byte[] hmacKeyBytes = key.getBytes(StandardCharsets.UTF_8); final SecretKeySpec secretKey = new SecretKeySpec(hmacKeyBytes, "HmacSHA256"); hMacSHA256.init(secretKey);/*from w ww. ja va2 s. co m*/ byte[] dataBytes = data.getBytes(StandardCharsets.UTF_8); byte[] res = hMacSHA256.doFinal(dataBytes); return DatatypeConverter.printBase64Binary(res); }
From source file:com.monitor.baseservice.utils.XCodeUtil.java
public static String hmacSha1(String value, String key) { try {/* www . j av a 2s . c om*/ // Get an hmac_sha1 key from the raw key bytes byte[] keyBytes = key.getBytes(); SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacSHA1"); // Get an hmac_sha1 Mac instance and initialize with the signing key Mac mac = Mac.getInstance("HmacSHA1"); mac.init(signingKey); // Compute the hmac on input data bytes byte[] rawHmac = mac.doFinal(value.getBytes()); return Base64.encodeBase64URLSafeString(rawHmac); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); } catch (InvalidKeyException e) { throw new RuntimeException(e); } }
From source file:com.annuletconsulting.homecommand.server.HomeCommand.java
private static String getSignature(String timeStamp) { if (sharedKey != null) try {//from w ww .j av a 2s . c om byte[] data = timeStamp.getBytes(ENCODING_FORMAT); Mac mac = Mac.getInstance(SIGNATURE_METHOD); mac.init(new SecretKeySpec(sharedKey.getBytes(ENCODING_FORMAT), SIGNATURE_METHOD)); char[] signature = Hex.encodeHex(mac.doFinal(data)); return new String(signature); } catch (Exception exception) { exception.printStackTrace(); } return "Error in getSignature()"; }
From source file:org.apache.abdera2.common.security.HashHelper.java
public static boolean hmacval(Key key, String alg, byte[] mat, byte[] dat) { try {/*from w w w. j a v a 2 s . c o m*/ Mac mac = Mac.getInstance(alg); mac.init(key); byte[] sig = mac.doFinal(mat); return Arrays.equals(sig, dat); } catch (Throwable t) { throw ExceptionHelper.propogate(t); } }
From source file:jp.primecloud.auto.api.ApiFilter.java
/** * * HMAC-SHA256???/*from ww w . jav a2 s . c o m*/ * * @param plainText ? * @param keyText * @return * @throws InvalidKeyException * @throws NoSuchAlgorithmException * @throws UnsupportedEncodingException */ private static String encodeSHA256(String plainText, String keyText) throws NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException { SecretKey secretKey = new SecretKeySpec(keyText.getBytes("UTF-8"), "HmacSHA256"); Mac mac = Mac.getInstance("HmacSHA256"); mac.init(secretKey); byte[] plainBytes = plainText.getBytes("UTF-8"); byte[] encodedBytes = mac.doFinal(plainBytes); byte[] hexBytes = new Hex().encode(encodedBytes); return new String(hexBytes, "UTF-8"); }
From source file:com.flazr.Utils.java
public static byte[] sha256(byte[] message, byte[] key) { Mac mac; try {//from w w w . ja v a2 s. c o m mac = Mac.getInstance("HmacSHA256"); mac.init(new SecretKeySpec(key, "HmacSHA256")); } catch (Exception e) { throw new RuntimeException(e); } return mac.doFinal(message); }