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()

Source Link

Document

Completes the hash computation by performing final operations such as padding.

Usage

From source file:Main.java

/**
 * Converts a String into a specified hash.
 * //ww w .  j av a2  s.  c  om
 * @param text
 *            Text to convert.
 * @return hash.
 * @throws NoSuchAlgorithmException
 * @throws UnsupportedEncodingException
 */
public static String hashAlgorithm(String hash, String text)
        throws NoSuchAlgorithmException, UnsupportedEncodingException {
    //TapjoyLog.i(TAPJOY_UTIL, "" + hash + ": " + text);

    MessageDigest md;
    byte[] sha1hash = new byte[40];

    // MD5, SHA-1, etc
    md = MessageDigest.getInstance(hash);
    md.update(text.getBytes("iso-8859-1"), 0, text.length());
    sha1hash = md.digest();

    return convertToHex(sha1hash);
}

From source file:com.stickyd.services.impl.UserLoginServiceImpl.java

public static String md5(String s) {
    MessageDigest md5;
    try {//from w w w .j av a  2  s  . c o m
        md5 = MessageDigest.getInstance("MD5");
        md5.update(s.getBytes());
        return new BigInteger(1, md5.digest()).toString(16);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    }
}

From source file:edu.sjsu.cohort6.esp.common.CommonUtils.java

private static String generateMD5Hash(String plaintext) throws NoSuchAlgorithmException {
    MessageDigest m = MessageDigest.getInstance("MD5");
    m.reset();/* w ww  .j  a  va2s.  co  m*/
    m.update(plaintext.getBytes());
    byte[] digest = m.digest();
    BigInteger bigInt = new BigInteger(1, digest);
    String hashtext = bigInt.toString(16);
    // Now we need to zero pad it if you actually want the full 32 chars.
    while (hashtext.length() < 32) {
        hashtext = "0" + hashtext;
    }
    return hashtext;
}

From source file:Main.java

public static byte[] createDigest(String passcode, long t1, double q1)
        throws IOException, NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(passcode.getBytes());/*w  ww. j a  v a2s . c  o m*/
    ByteBuffer bb = ByteBuffer.allocate(16); //8 bytes for long and double each
    bb.putLong(t1);
    bb.putDouble(q1);
    md.update(bb);
    return md.digest();
}

From source file:biblivre3.utils.TextUtils.java

public static String encodePassword(String password) {
    if (password == null) {
        throw new ExceptionUser("Password is null");
    }//from  w  w  w . j  a  va 2 s .c  o  m
    if (password.trim().length() == 0) {
        throw new ExceptionUser("Password is empty");
    }
    try {
        MessageDigest md = MessageDigest.getInstance("SHA");
        md.update(password.getBytes("UTF-8"));
        byte[] raw = md.digest();
        return new String((new Base64()).encode(raw));
    } catch (Exception e) {
        throw new ExceptionUser(e.getMessage());
    }
}

From source file:Main.java

public static String sha512(String what_to_encode) {
    final MessageDigest sha512;
    try {/* w  w  w  . j a  va 2  s  .  c o m*/
        sha512 = MessageDigest.getInstance("SHA-512");
    } catch (NoSuchAlgorithmException e) {
        return "404";
    }
    sha512.update(what_to_encode.getBytes());
    byte byteData[] = sha512.digest();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < byteData.length; i++) {
        sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
    }
    return sb.toString();
}

From source file:Main.java

public static String encode(String input) {
    try {// w  w  w  .  j a  va  2 s .com
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        byte[] inputByteArray = input.getBytes();
        messageDigest.update(inputByteArray);
        byte[] resultByteArray = messageDigest.digest();
        char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
        char[] resultCharArray = new char[resultByteArray.length * 2];
        int index = 0;
        for (byte b : resultByteArray) {
            resultCharArray[index++] = hexDigits[b >>> 4 & 0xf];
            resultCharArray[index++] = hexDigits[b & 0xf];
        }
        return new String(resultCharArray);
    } catch (NoSuchAlgorithmException e) {
        return null;
    }
}

From source file:com.magic.util.HashCrypt.java

public static String getDigestHash(String str, String code, String hashType) {
    if (str == null)
        return null;
    try {/* w ww .  j av a2s . c o m*/
        byte codeBytes[] = null;

        if (code == null)
            codeBytes = str.getBytes();
        else
            codeBytes = str.getBytes(code);
        MessageDigest messagedigest = MessageDigest.getInstance(hashType);

        messagedigest.update(codeBytes);
        byte digestBytes[] = messagedigest.digest();
        char[] digestChars = Hex.encodeHex(digestBytes);
        ;
        return "{" + hashType + "}" + new String(digestChars, 0, digestChars.length);
    } catch (Exception e) {
        throw new GeneralRuntimeException("Error while computing hash of type " + hashType, e);
    }
}

From source file:com.google.api.ads.adwords.awreporting.model.util.UrlHashUtil.java

/**
 * Creates a SHA-1 Hash of the url//from  ww  w .  j av  a2s .c  o  m
 * 
 * @param url the url that needs to be hashed
 * @return a Stri g with a SHA-1 hash of the URL
 */
public static String createUrlHash(String url) {
    String hash = null;
    MessageDigest messageDigest;
    try {
        messageDigest = MessageDigest.getInstance("SHA-1");
        messageDigest.reset();
        messageDigest.update(url.getBytes("UTF-8"));
        final byte[] resultByte = messageDigest.digest();
        hash = new String(Hex.encodeHex(resultByte));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return hash;
}

From source file:com.pieframework.runtime.utils.CertificateUtils.java

public static String getThumbPrint(X509Certificate certificate) {

    String thumbPrint = "";
    try {/*from w w w.  j a v a  2s  .c  om*/

        MessageDigest md = MessageDigest.getInstance("SHA-1");
        byte[] der = certificate.getEncoded();
        md.update(der);
        byte[] digest = md.digest();

        char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

        StringBuffer buf = new StringBuffer(digest.length * 2);

        for (int i = 0; i < digest.length; ++i) {
            buf.append(hexDigits[(digest[i] & 0xf0) >> 4]);
            buf.append(hexDigits[digest[i] & 0x0f]);
        }

        thumbPrint = buf.toString();

    } catch (Exception e) {
        e.printStackTrace();
    }
    return thumbPrint;
}