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:Main.java

public static String encode(String string) {
    try {/*  w ww .j a  v a  2 s . c om*/
        MessageDigest e = MessageDigest.getInstance("MD5");
        return bytesToHexString(e.digest(string.getBytes()));
    } catch (NoSuchAlgorithmException var2) {
        var2.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String encode(String text) {
    try {/*from w w w . j  ava2  s.  c  o m*/
        MessageDigest digest = MessageDigest.getInstance("md5");
        byte[] result = digest.digest(text.getBytes());
        StringBuilder sb = new StringBuilder();
        for (byte b : result) {
            int number = b & 0xff;
            String hex = Integer.toHexString(number);
            if (hex.length() == 1) {
                sb.append("0" + hex);
            } else {
                sb.append(hex);
            }
        }
        return sb.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static String getCallSignature(String subAccountSid, String subAccountToken) {
    @SuppressLint("SimpleDateFormat")
    SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
    String timestamp = format.format(new Date());
    String signature = subAccountSid + subAccountToken + timestamp;
    try {/*w ww.j ava  2s. co  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        return byte2HexStr(md.digest(signature.getBytes("utf-8")));
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

From source file:at.gv.egiz.pdfas.web.helper.DigestHelper.java

public static String getHexEncodedHash(byte[] data, String algorithm) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance(algorithm);
    byte[] hash = md.digest(data);
    return Hex.encodeHexString(hash);
}

From source file:Main.java

public static String generateMarvelHash(String publicKey, String privateKey) {
    String marvelHash = "";
    try {//  w  w  w.  j a v  a 2s. co m
        String timeStamp = getUnixTimeStamp();
        String marvelData = timeStamp + privateKey + publicKey;
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        byte[] hash = messageDigest.digest(marvelData.getBytes());
        StringBuilder stringBuilder = new StringBuilder(2 * hash.length);
        for (byte b : hash) {
            stringBuilder.append(String.format("%02x", b & 0xff));
        }
        marvelHash = stringBuilder.toString();
    } catch (NoSuchAlgorithmException e) {
        System.out.println("[DEBUG]" + " MarvelApiUtils generateMarvelHash - " + "NoSuchAlgorithmException");
    }
    return marvelHash;
}

From source file:Main.java

public static byte[] toMD5(byte[] bytes) throws Exception {
    try {/*w  w w . j a  v a 2s.  c o  m*/
        MessageDigest algorithm = MessageDigest.getInstance("MD5");
        algorithm.reset();
        return algorithm.digest(bytes);
    } catch (NoSuchAlgorithmException e) {
        throw new Exception(e);
    }
}

From source file:Main.java

/**
 * Returns a String Object which contains the SHA256 Hash value of the input
 *
 * @param input a String object for which SHA256 should be calculated
 * @return SHA256 of the input String//w  w w  .jav a 2  s.c  om
 */
public static String getSHA256(String input) {
    try {
        MessageDigest digest = MessageDigest.getInstance("SHA-256");
        byte[] hash = digest.digest(input.getBytes("UTF-8"));
        StringBuilder hexString = new StringBuilder();

        for (int i = 0; i < hash.length; i++) {
            String hex = Integer.toHexString(0xff & hash[i]);
            if (hex.length() == 1)
                hexString.append('0');
            hexString.append(hex);
        }
        return hexString.toString();
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:Main.java

public static void decrypt(String fileIn, String fileOut, byte key[])
        throws IOException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException {
    FileInputStream fis = new FileInputStream(fileIn);
    FileOutputStream fos = new FileOutputStream(fileOut);

    // Length is 32 bytes
    //byte key[] = "1010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100000011010110101010101010100101111001001001001001001011110111100001111000011".getBytes("UTF-8");
    MessageDigest sha = MessageDigest.getInstance("SHA-256");
    key = sha.digest(key);
    SecretKeySpec sks = new SecretKeySpec(key, "AES");
    Cipher cipher = Cipher.getInstance("AES");
    cipher.init(Cipher.DECRYPT_MODE, sks);

    CipherInputStream cis = new CipherInputStream(fis, cipher);
    int b;/*from  ww  w .  j  av  a  2 s. co m*/
    byte[] d = new byte[8];
    while ((b = cis.read(d)) != -1) {
        fos.write(d, 0, b);
    }

    fos.flush();
    fos.close();
    cis.close();
}

From source file:Main.java

public static String getHash(String input) {
    if (input == null || input.equals("") || input.isEmpty()) {
        return "";
    }/* w w w.j a  v a 2 s.c o  m*/

    try {
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        byte[] messageDigest = md.digest(input.getBytes());
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            sb.append(Integer.toString((messageDigest[i] & 0xff) + 0x100, 16).substring(1));
        }

        return sb.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:ch.windmobile.server.social.mongodb.util.AuthenticationServiceUtil.java

public static String createSHA1(String email, byte[] pwd) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA1");
    String base = email + ":" + new String(pwd);
    byte[] result = md.digest(base.getBytes());
    return new String(Base64.encode(result));
}