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:com.exam.mserver.common.persistence.util.Digests.java

/**
 * , ?md5sha1./*from  w  w  w . ja v a 2 s . com*/
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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 new RuntimeException(e);
    }
}

From source file:com.idea.quickstart.common.security.Digests.java

/**
 * , ?md5sha1.//from  w  w  w. ja  v  a 2 s  .  co  m
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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) {
    }
    return null;
}

From source file:com.pfw.popsicle.common.Digests.java

/**
 * , ?md5sha1.//from  w  w w  . j  a  v a  2s .co m
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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) {
        return null;
    }
}

From source file:com.cmri.bpt.common.util.DigestUtil.java

/**
 * , ?md5sha1./*from  w  w w.j a v  a2 s.c  o  m*/
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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 ExceptionUtil.asUnChecked(e);
    }
}

From source file:com.modoop.core.security.utils.Digests.java

/**
 * , ?md5sha1./*from   w w  w  .  j ava 2 s .  co  m*/
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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 ExceptionUtils.unchecked(e);
    }
}

From source file:com.topsem.common.security.utils.Digests.java

/**
 * , ?md5sha1./*  w w  w  .  j  a v  a  2 s. c  o m*/
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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 Throwables.propagate(e);
    }
}

From source file:apm.common.security.Digests.java

/**
 * , ?md5sha1.//  w  w w.jav a 2s  .c o  m
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        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:Main.java

private static byte[] getHash(String password) {
    MessageDigest digest = null;
    try {//w w w.j av a 2 s.  c  o  m
        digest = MessageDigest.getInstance("SHA-256");
    } catch (NoSuchAlgorithmException e1) {
        e1.printStackTrace();
    }
    if (digest != null) {
        digest.reset();
        return digest.digest(password.getBytes());
    } else {
        return null;
    }

}

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

public static Ticket decodeTicket(String ticket) {
    byte[] encryptedBytes = Base64.decodeBase64(ticket.getBytes());
    try {// w ww  .j a va 2 s .c o m
        Cipher cipher = Cipher.getInstance(ALGORITHM_MODE_PADDING);
        cipher.init(Cipher.DECRYPT_MODE, key);
        byte[] decryptedBytes = cipher.doFinal(encryptedBytes);
        // Extract digest from decryptedBytes (MD5 length is 16 bytes)
        byte[] digest = Arrays.copyOfRange(decryptedBytes, decryptedBytes.length - 16, decryptedBytes.length);
        byte[] serializedMap = Arrays.copyOfRange(decryptedBytes, 0, decryptedBytes.length - 16);
        MessageDigest md = MessageDigest.getInstance(MESSAGE_DIGEST_ALGORITHM);
        if (!Arrays.equals(digest, md.digest(serializedMap))) {
            throw new DigestException();
        }
        ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(serializedMap));
        return (Ticket) ois.readObject();
    } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | BadPaddingException
            | IllegalBlockSizeException | IOException | ClassNotFoundException | DigestException e) {
        LOGGER.log(Level.SEVERE, "Error when decoding ticket: " + e.getMessage());
    }
    return null;
}

From source file:com.glaf.core.security.DigestUtil.java

public static String digestString(String password, String algorithm) {
    if (password == null || password.trim().length() == 0) {
        return password;
    }/*from w  w  w.j a v  a  2 s  .c o  m*/
    if (conf.getBoolean("password.enc", true)) {
        MessageDigest md = null;
        ByteArrayOutputStream bos = null;
        OutputStream encodedStream = null;
        try {
            md = MessageDigest.getInstance(algorithm);
            byte[] digest = md.digest(password.getBytes("UTF-8"));
            bos = new ByteArrayOutputStream();
            encodedStream = MimeUtility.encode(bos, "base64");
            encodedStream.write(digest);
            return bos.toString("UTF-8");
        } catch (IOException ioe) {
            throw new RuntimeException("Fatal error: " + ioe);
        } catch (NoSuchAlgorithmException ae) {
            throw new RuntimeException("Fatal error: " + ae);
        } catch (MessagingException me) {
            throw new RuntimeException("Fatal error: " + me);
        } finally {
            IOUtils.closeQuietly(bos);
            IOUtils.closeQuietly(encodedStream);
        }
    }
    return password;
}