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:com.aqnote.shared.cryptology.digest.SM.java

public final static String sm3(byte[] src) {
    if (src == null)
        return "";
    try {//w  ww .j  a va 2 s .c  o m
        MessageDigest md = MessageDigest.getInstance(OID_SM3, JCE_PROVIDER);
        md.update(src);
        return new String(Hex.encode(md.digest()));
    } catch (NoSuchAlgorithmException | NoSuchProviderException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static String getMd5Digest(String pInput) {
    try {// ww  w .j  ava  2s.co 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 getSHA256(String mykey) {
    try {/*from   w w  w  . ja v a2 s  . c  om*/
        MessageDigest digest = java.security.MessageDigest.getInstance("SHA256");
        digest.update(mykey.getBytes(Charset.forName("UTF-8")));
        return bytesToHex(digest.digest()).toLowerCase();
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, "SHA hash exception: " + e.toString());
        return null;
    }
}

From source file:HashUtil.java

public static String getMD5(final String data) {
    try {/*from  ww w  .  j a  v a  2  s.  c  o m*/
        MessageDigest m = MessageDigest.getInstance("MD5");
        m.reset();
        m.update(data.getBytes());
        BigInteger bigInt = new BigInteger(1, m.digest());
        String hashtext = bigInt.toString(16);
        while (hashtext.length() < 32) {
            hashtext = "0" + hashtext;
        }
        return hashtext;
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return e.getMessage();
    }
}

From source file:Main.java

public static String getSHA(byte[] message, int length) {
    if (message == null || length <= 0) {
        return null;
    }// www .j  a v  a 2  s  . c  o m
    try {
        MessageDigest md = MessageDigest.getInstance("SHA");
        md.update(message, 0, length);
        byte[] output = md.digest();
        String s = "";
        for (int i = 0; i < output.length; i++) {
            s += hexByte(output[i] + 128);
        }
        return s;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:MD5.java

/**
 * Encodes a string//from w ww  . j  a  v  a 2s  .  co m
 * 
 * @param str String to encode
 * @return Encoded String
 * @throws NoSuchAlgorithmException
 */
public static String crypt(String str) {
    if (str == null || str.length() == 0) {
        throw new IllegalArgumentException("String to encript cannot be null or zero length");
    }

    StringBuffer hexString = new StringBuffer();

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

        for (int i = 0; i < hash.length; i++) {
            if ((0xff & hash[i]) < 0x10) {
                hexString.append("0" + Integer.toHexString((0xFF & hash[i])));
            } else {
                hexString.append(Integer.toHexString(0xFF & hash[i]));
            }
        }
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("" + e);
    }

    return hexString.toString();
}

From source file:Main.java

private static String md5(String in) {
    MessageDigest digest;
    try {//w w w . j  a  v a 2s.  com
        digest = MessageDigest.getInstance("MD5");
        digest.reset();
        digest.update(in.getBytes());
        byte[] a = digest.digest();
        int len = a.length;
        StringBuilder sb = new StringBuilder(len << 1);
        for (int i = 0; i < len; i++) {
            sb.append(Character.forDigit((a[i] & 0xf0) >> 4, 16));
            sb.append(Character.forDigit(a[i] & 0x0f, 16));
        }
        return sb.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:org.mobile.mpos.util.Common.java

/**
 * shar//from www  . ja  v  a 2 s  . co  m
 * @param source
 * @return
 */
public static String encryptSHA(String source) {
    try {
        MessageDigest sha = MessageDigest.getInstance("SHA");
        sha.update(source.getBytes(Consts.UTF_8));
        return ISOUtil.hexString(sha.digest());
    } catch (NoSuchAlgorithmException e) {
        return null;
    }
}

From source file:Main.java

public static String getMD5String(String str) {
    StringBuffer stringbuffer;//from w  ww. j a v a 2s. c o  m
    MessageDigest messagedigest;
    try {
        messagedigest = MessageDigest.getInstance("MD5");
        messagedigest.update(str.getBytes());
        byte abyte0[] = messagedigest.digest();
        stringbuffer = new StringBuffer();
        for (int i = 0; i < abyte0.length; i++) {
            stringbuffer.append(HEX_DIGITS[(abyte0[i] & 0xf0) >>> 4]);
            stringbuffer.append(HEX_DIGITS[abyte0[i] & 0x0f]);
        }
        return stringbuffer.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static String get_device_id(Context ctx) {

    final TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);

    String tmDevice = "";
    String tmSerial = null;/*w ww .  ja v a 2s .co m*/
    String androidId = null;

    try {
        tmDevice = "" + tm.getDeviceId();
    } catch (Exception ex) {
    }

    try {
        tmSerial = "" + tm.getSimSerialNumber();
    } catch (Exception ex) {
    }
    try {
        androidId = "" + android.provider.Settings.Secure.getString(ctx.getContentResolver(),
                android.provider.Settings.Secure.ANDROID_ID);
    } catch (Exception ex) {
    }
    try {
        UUID deviceUuid = new UUID(androidId.hashCode(),
                ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
        String deviceId = deviceUuid.toString();

        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(deviceId.getBytes());

        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));
        }
        deviceId = sb.toString();

        return deviceId;
    } catch (Exception ex) {
    }
    return "nodeviceid";
}