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:it.cilea.osd.jdyna.utils.HashUtil.java

public static String hashMD5(String passw) {
    String passwHash = "";
    try {/*w  w w  .j  a  v a  2s .  c o m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(passw.getBytes());
        byte[] result = md.digest();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < result.length; i++) {
            String tmpStr = "0" + Integer.toHexString((0xff & result[i]));
            sb.append(tmpStr.substring(tmpStr.length() - 2));
        }
        passwHash = sb.toString();
    } catch (NoSuchAlgorithmException ecc) {
        log.error("Errore algoritmo " + ecc);
    }
    return passwHash;
}

From source file:Main.java

public static String SHA1(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md = MessageDigest.getInstance("SHA-1");
    md.update(text.getBytes("iso-8859-1"), 0, text.length());
    byte[] sha1hash = md.digest();
    return convertToHex(sha1hash);
}

From source file:Main.java

public static String SHA1(String text) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA-1");
    md.update(text.getBytes());//  w w w.  j a va 2  s . c o  m

    byte byteData[] = md.digest();

    //convert the byte to hex format method 1
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < byteData.length; i++) {
        sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
    }

    //System.out.println("Hex format : " + sb.toString());

    //convert the byte to hex format method 2
    StringBuffer hexString = new StringBuffer();
    for (int i = 0; i < byteData.length; i++) {
        String hex = Integer.toHexString(0xff & byteData[i]);
        if (hex.length() == 1)
            hexString.append('0');
        hexString.append(hex);
    }
    return hexString.toString();
}

From source file:Main.java

private static final String md5(final String s) {
    final String MD5 = "MD5";
    try {/*from w w w. j  a v  a  2  s  .c  o  m*/
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance(MD5);
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuilder hexString = new StringBuilder();
        for (byte aMessageDigest : messageDigest) {
            String h = Integer.toHexString(0xFF & aMessageDigest);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

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

From source file:helper.Digester.java

/**
 * @param str the input string/* ww  w .jav a 2s .  c  o  m*/
 * @return the digested string
 * @throws NoSuchAlgorithmException encryption algorithm not installed 
 */
public static String digest(String str) throws NoSuchAlgorithmException {
    Configuration config = Play.application().configuration();

    String salt = config.getString("application.secret");

    String saltedStr = str + salt;

    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(saltedStr.getBytes());

    byte byteData[] = md.digest();

    byte[] base64 = Base64.encodeBase64(byteData);

    String result = new String(base64, Charset.defaultCharset());

    return result;
}

From source file:Main.java

public static final String md5(final String s) {
    try {/*from  w w w. j a v a  2  s.co m*/
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

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

From source file:Main.java

public static String getHashKey(Context context) {
    // Add code to print out the key hash
    try {//from  w w w  .jav a2 s .c  o  m
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            return Base64.encodeToString(md.digest(), Base64.DEFAULT);
        }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
    return null;
}

From source file:Main.java

public static String getMd5Digest(String pInput) {
    if (pInput == null)
        return "";

    try {//  w  w  w  . j  ava  2s  .c o m
        MessageDigest lDigest = MessageDigest.getInstance("MD5");
        lDigest.update(getBytes(pInput));
        BigInteger lHashInt = new BigInteger(1, lDigest.digest());
        return String.format("%1$032X", lHashInt);
    } catch (NoSuchAlgorithmException lException) {
        throw new RuntimeException(lException);
    }
}

From source file:Main.java

public static String md5(String s) {
    try {/*from  w  w w.  ja  v a 2s . c o m*/
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

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

}

From source file:Main.java

public static String md5(String str) {
    if (TextUtils.isEmpty(str)) {
        return null;
    }/*  w w  w  .  j a  v  a 2s. c  o  m*/
    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.update(str.getBytes());
        return encodeHex(messageDigest.digest());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}