Example usage for java.security MessageDigest update

Introduction

In this page you can find the example usage for java.security MessageDigest update.

Prototype

public final void update(ByteBuffer input)

Source Link

Document

Update the digest using the specified ByteBuffer.

Usage

From source file:Main.java

public static String hashkeyForDisk(String url) {
    try {//from   w w  w. ja va 2s  .c  o  m
        final MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(url.getBytes());
        return bytesToHexString(digest.digest());
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return String.valueOf(url.hashCode());
    }
}

From source file:Main.java

public static String generateMD5Hash(String textToBeHashed) {
    try {//from  w w w  .  j a v a2s .c  o  m
        MessageDigest messageDigest = MessageDigest.getInstance(MD5);
        messageDigest.update(textToBeHashed.getBytes());
        byte[] messageDigestByte = messageDigest.digest();
        StringBuffer MD5Hash = new StringBuffer();
        String h;
        for (int i = 0; i < messageDigestByte.length; ++i) {
            h = Integer.toHexString((0xFF & messageDigestByte[i]) | 0x100).substring(1, 3);
            MD5Hash.append(h);
        }
        return MD5Hash.toString();
    } catch (Exception e) {
        throw new RuntimeException("Couldn't generate MD5 hash for " + textToBeHashed);
    }
}

From source file:Main.java

public final static String Md5(String s) {
    char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
    try {// w w  w.j a  va  2 s  .  c  o  m
        byte[] strTemp = s.getBytes("UTF-8");
        MessageDigest mdTemp = MessageDigest.getInstance("MD5");
        mdTemp.update(strTemp);
        byte[] md = mdTemp.digest();
        int j = md.length;
        char str[] = new char[j * 2];
        int k = 0;
        for (int i = 0; i < j; i++) {
            byte byte0 = md[i];
            str[k++] = hexDigits[byte0 >>> 4 & 0xf];
            str[k++] = hexDigits[byte0 & 0xf];
        }
        return new String(str);
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static String hexSHA1(String value) {
    try {/*from  w w  w.  j a v a  2 s .  c  o  m*/
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        md.update(value.getBytes("utf-8"));
        byte[] digest = md.digest();
        return byteToHexString(digest);
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:Main.java

public static void printOutMyHashKey(Context context, String packageName) {
    try {//from   www . j a  v  a2  s  . c o m
        PackageInfo info = context.getPackageManager().getPackageInfo(packageName,
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String getMD5(String input) {
    String result = null;//from w  w w .j  a  v a 2s  .c  o  m

    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(input.getBytes());
        byte[] digest = md.digest();

        StringBuffer sb = new StringBuffer();

        for (byte b : digest) {
            sb.append(String.format("%02x", b & 0xff));
        }

        result = sb.toString();
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        return result;
    }

}

From source file:Main.java

public static String MD5(String s) {
    try {//from  www.  j  a v a2 s  . c  om
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(s.getBytes());
        byte b[] = md.digest();
        int i;
        StringBuilder buf = new StringBuilder("");
        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));
        }
        return buf.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "null";
}

From source file:Main.java

public static String SHA1(String s) {
    try {//from w  w  w.j  a  v a2  s  .  c o  m
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();
        return toHexString(messageDigest);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

private static byte[] getKeyBytes(String mykey) {
    try {// w  w w  .  j a  va  2 s  .co  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 String getHashKey(Context context) {
    // Add code to print out the key hash
    try {/*from  w ww .  ja  v a  2 s  .  co  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;
}