Example usage for java.security MessageDigest digest

Introduction

In this page you can find the example usage for java.security MessageDigest digest.

Prototype

public byte[] digest(byte[] input)

Source Link

Document

Performs a final update on the digest using the specified array of bytes, then completes the digest computation.

Usage

From source file:fr.ippon.wip.ltpa.token.LtpaLibrary.java

private static byte[] createHash(byte[] buffer) throws NoSuchAlgorithmException {
    MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
    return sha1.digest(buffer);
}

From source file:com.yilang.commons.utils.util.Digests.java

private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {/* ww  w .  j  a  v  a  2 s .  c om*/
        MessageDigest digest = MessageDigest.getInstance(algorithm);

        if (salt != null) {
            digest.update(salt);
        }

        byte[] result = digest.digest(input);

        for (int i = 1; i < iterations; i++) {
            digest.reset();
            result = digest.digest(result);
        }
        return result;
    } catch (GeneralSecurityException e) {
        throw Exceptions.unchecked(e);
    }
}

From source file:com.sugaronrest.restapicalls.methodcalls.Authentication.java

/**
 * Login to SugarCRM via REST API call./*from w w  w . jav  a  2s .com*/
 *
 *  @param loginRequest LoginRequest object.
 *  @return LoginResponse object.
 */
public static LoginResponse login(LoginRequest loginRequest) throws Exception {

    LoginResponse loginResponse = new LoginResponse();

    try {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        String passwordHash = new BigInteger(1, md5.digest(loginRequest.password.getBytes())).toString(16);

        Map<String, String> userCredentials = new LinkedHashMap<String, String>();
        userCredentials.put("user_name", loginRequest.username);
        userCredentials.put("password", passwordHash);

        Map<String, Object> auth = new LinkedHashMap<String, Object>();
        auth.put("user_auth", userCredentials);
        auth.put("application_name", "RestClient");

        ObjectMapper mapper = new ObjectMapper();
        String jsonAuthData = mapper.writeValueAsString(auth);

        Map<String, Object> request = new LinkedHashMap<String, Object>();
        request.put("method", "login");
        request.put("input_type", "json");
        request.put("response_type", "json");
        request.put("rest_data", auth);

        String jsonRequest = mapper.writeValueAsString(request);

        request.put("rest_data", jsonAuthData);

        HttpResponse response = Unirest.post(loginRequest.url).fields(request).asString();

        String jsonResponse = response.getBody().toString();
        loginResponse.setJsonRawRequest(jsonRequest);
        loginResponse.setJsonRawResponse(jsonResponse);

        Map<String, Object> responseObject = mapper.readValue(jsonResponse, Map.class);
        if (responseObject.containsKey("id")) {
            loginResponse.sessionId = (responseObject.get("id").toString());
            loginResponse.setStatusCode(response.getStatus());
            loginResponse.setError(null);
        } else {
            ErrorResponse errorResponse = mapper.readValue(jsonResponse, ErrorResponse.class);
            errorResponse.setStatusCode(HttpStatus.SC_BAD_REQUEST);
            loginResponse.setStatusCode(HttpStatus.SC_BAD_REQUEST);
            loginResponse.setError(errorResponse);
        }
    } catch (Exception exception) {
        ErrorResponse errorResponse = ErrorResponse.format(exception, exception.getMessage());
        loginResponse.setError(errorResponse);
    }

    return loginResponse;
}

From source file:eds.component.encryption.EncryptionUtility.java

public static String getHash(String transactionId, EncryptionType type) {
    String secureHash = transactionId;
    MessageDigest md;
    String hashedID = "";
    byte[] hash;/*from  w  w w. j a  v a2s .  c o m*/
    try {
        //md = MessageDigest.getInstance("SHA-256");
        md = MessageDigest.getInstance(type.toString());
        hash = md.digest(secureHash.getBytes("UTF-8"));
        hashedID = new String(Hex.encodeHex(hash));//String.format("%032x", new BigInteger(hash));;//String.format("%032x", Arrays.toString(hash));
    } catch (NoSuchAlgorithmException | UnsupportedEncodingException ex) {
        throw new RuntimeException("No such algorithm or encoding method: " + ex.getMessage());
    }

    return hashedID;
}

From source file:ch.newscron.encryption.Encryption.java

/**
 * Given a JSONObject, extracts its fields and computes the hash using the MD5 algorithm
 * @param obj is a JSONObject consisting of the four fields
 * @return a MD5 hash of type byte[]/* ww  w  .j av a2  s . c om*/
 */
public static byte[] createMD5Hash(JSONObject obj) {
    //Create a string of the fields with format: "<customerId>$<rew1>$<rew2>$<val>"
    StringJoiner stringToHash = new StringJoiner("$");
    stringToHash.add((String) obj.get("custID"));
    stringToHash.add((String) obj.get("rew1"));
    stringToHash.add((String) obj.get("rew2"));
    stringToHash.add((String) obj.get("val"));

    //Get hash of string  
    try {
        MessageDigest m = MessageDigest.getInstance("MD5");
        byte[] hash = m.digest(stringToHash.toString().getBytes("UTF-8"));
        return hash;
    } catch (Exception e) {
    }

    return null;
}

From source file:DigestUtil.java

static String getDigestedValue(String type, byte[] data, String charset) {
    try {/*from  w  w  w.ja  v a 2s  .co m*/
        MessageDigest digest = MessageDigest.getInstance(type);
        return getHexString(digest.digest(data), charset);
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:DigestUtil.java

static String getDigestedValue(String type, byte[] data) {
    try {/*from   ww w.  jav  a  2  s . com*/
        MessageDigest digest = MessageDigest.getInstance(type);
        return getHexString(digest.digest(data));
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:com.alliander.osgp.oslp.OslpUtils.java

private static byte[] createHash(final byte[] message) throws GeneralSecurityException {
    // Create digest Hash
    final MessageDigest digest = MessageDigest.getInstance(FALLBACK_DIGEST);
    return digest.digest(message);
}

From source file:fr.ortolang.diffusion.security.authentication.TicketHelper.java

public static String makeTicket(String username, String hash, long ticketValidity) {
    Cipher cipher;/*  w ww.j  a  v a2s.c o m*/
    try {
        cipher = Cipher.getInstance(ALGORITHM_MODE_PADDING);
        cipher.init(Cipher.ENCRYPT_MODE, key);
        Ticket ticket = new Ticket(username, hash, ticketValidity);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(bos);
        oos.writeObject(ticket);
        MessageDigest md = MessageDigest.getInstance(MESSAGE_DIGEST_ALGORITHM);
        byte[] digest = md.digest(bos.toByteArray());
        bos.write(digest);
        byte[] encryptedBytes = cipher.doFinal(bos.toByteArray());
        return Base64.encodeBase64URLSafeString(encryptedBytes);
    } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IOException
            | BadPaddingException | IllegalBlockSizeException e) {
        LOGGER.log(Level.SEVERE, "Error when making a ticket", e);
    }
    return "";
}

From source file:function.Functions.java

protected static String MD5(String text) {
    String md5Text = "";
    try {//from w  w w. j a v  a2s.  c o m
        MessageDigest digest = MessageDigest.getInstance("MD5");
        md5Text = new BigInteger(1, digest.digest((text).getBytes())).toString(16);
    } catch (Exception e) {
        System.out.println("Error in call to MD5");
    }

    if (md5Text.length() == 31) {
        md5Text = "0" + md5Text;
    }
    return md5Text;
}