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

private static byte[] getKeyBytes(String mykey) {
    try {/*from  ww  w  . j  a v  a2 s .  c o  m*/
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(mykey.getBytes(Charset.forName("UTF-8")));
        return digest.digest();
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, "Password creation exception: " + e.toString());
        return errorbyte;
    }
}

From source file:Main.java

public static Bitmap createIdenticon(String data) {
    try {/* w w  w  .j av  a2s.  c om*/
        MessageDigest dig = MessageDigest.getInstance("MD5");
        dig.update(data.getBytes());
        return createIdenticon(dig.digest());
    } catch (NoSuchAlgorithmException e) {
        return null;
    }
}

From source file:Main.java

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

        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:Main.java

public static String makeSHA1Hash(byte[] bytes) {
    try {/*www . j a v a 2 s .com*/
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        md.update(bytes, 0, bytes.length);
        byte[] sha1hash = md.digest();
        return convertToHex(sha1hash);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String getSHA256(byte[] mydata) {
    try {/*from   w w w.  ja  v a  2s  .c om*/
        MessageDigest digest = java.security.MessageDigest.getInstance("SHA256");
        digest.update(mydata);
        return bytesToHex(digest.digest()).toLowerCase();
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, "SHA hash exception: " + e.toString());
        return null;
    }
}

From source file:Main.java

/**
 * A hashing method that changes a string (like a URL) into a hash suitable
 * for using as a disk filename./*from   w  w w.j  ava  2  s.com*/
 */
public static String hashKeyForUrl(String key) {
    String cacheKey;
    try {
        final MessageDigest mDigest = MessageDigest.getInstance("MD5");
        mDigest.update(key.getBytes());
        cacheKey = bytesToHexString(mDigest.digest());
    } catch (NoSuchAlgorithmException e) {
        cacheKey = String.valueOf(key.hashCode());
    }
    return cacheKey;
}

From source file:Main.java

public static byte[] md5(String strObj) {
    MessageDigest md;
    try {/*from  w  w  w  .j  a v a  2s . c om*/
        md = MessageDigest.getInstance("MD5");
        md.update(strObj.getBytes());
        byte[] pwd = md.digest();
        return pwd;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * For hashing the master password//from   ww  w.  j  a va  2  s.  c  om
 *
 * @param password
 * @return
 */
public static String hashPassword(String password)
        throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md = MessageDigest.getInstance("SHA-256");
    md.update(password.getBytes("UTF-8")); // Change this to "UTF-16" if needed
    byte[] digest = md.digest();
    return new String(digest);
}

From source file:Main.java

public static String md5_32(String plainText) {
    String re_md5 = new String();
    try {/*from  w w w .  j  ava  2 s  . co  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(plainText.getBytes());
        byte b[] = md.digest();

        int i;

        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < b.length; offset++) {
            i = b[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }

        re_md5 = buf.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return re_md5;
}

From source file:Main.java

public static String GetMd5(final String s) {
    try {/*  w ww  .  j  a v a 2 s.c om*/
        final MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(s.trim().getBytes());
        final byte[] messageDigset = digest.digest();
        return Bytes2Hex(messageDigset);
    } catch (final NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return s;
}