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

public static String hexdigest(byte[] paramArrayOfByte) {
    final char[] hexDigits = { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102 };
    try {/*  w ww . j ava 2 s  .c  o  m*/
        MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
        localMessageDigest.update(paramArrayOfByte);
        byte[] arrayOfByte = localMessageDigest.digest();
        char[] arrayOfChar = new char[32];
        for (int i = 0, j = 0;; i++, j++) {
            if (i >= 16) {
                return new String(arrayOfChar);
            }
            int k = arrayOfByte[i];
            arrayOfChar[j] = hexDigits[(0xF & k >>> 4)];
            arrayOfChar[++j] = hexDigits[(k & 0xF)];
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static String getSHA1Digest(final String pInput) {
    if (pInput != null) {
        try {//from w ww  . j a  va  2  s  .  c  o  m
            final MessageDigest lDigest = MessageDigest.getInstance("SHA1");
            lDigest.update(getBytes(pInput));
            final BigInteger lHashInt = new BigInteger(1, lDigest.digest());
            return String.format("%1$032X", lHashInt);
        } catch (final NoSuchAlgorithmException lException) {
            return pInput;
        }
    }
    return null;
}

From source file:baldrickv.s3streamingtool.Hash.java

public static String hash(String algo, int output_bits, byte b[], int offset, int size) {
    try {// w w w  .  j a v a  2 s .c  om
        int output_bytes = output_bits / 4; //hex = 4 bits per byte
        MessageDigest sig = MessageDigest.getInstance(algo);
        sig.update(b, offset, size);
        byte d[] = sig.digest();

        StringBuffer s = new StringBuffer(output_bytes);
        BigInteger bi = new BigInteger(1, d);
        s.append(bi.toString(16));
        while (s.length() < output_bytes) {
            s.insert(0, '0');
        }
        return s.toString();
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(-1);
        return null;
    }

}

From source file:Main.java

private static String hexdigest(byte[] paramArrayOfByte) {
    final char[] hexDigits = { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102 };
    try {//from w  w  w .j  a  v  a  2 s  .  c o m
        MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
        localMessageDigest.update(paramArrayOfByte);
        byte[] arrayOfByte = localMessageDigest.digest();
        char[] arrayOfChar = new char[32];
        for (int i = 0, j = 0;; i++, j++) {
            if (i >= 16) {
                return new String(arrayOfChar);
            }
            int k = arrayOfByte[i];
            arrayOfChar[j] = hexDigits[(0xF & k >>> 4)];
            arrayOfChar[++j] = hexDigits[(k & 0xF)];
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static String getMd5Digest(final String pInput) {
    if (pInput != null) {
        try {//from w w w.j a v a2  s  .  c o  m
            final MessageDigest lDigest = MessageDigest.getInstance("MD5");
            lDigest.update(getBytes(pInput));
            final BigInteger lHashInt = new BigInteger(1, lDigest.digest());
            return String.format("%1$032X", lHashInt);
        } catch (final NoSuchAlgorithmException lException) {
            return pInput;
        }
    }
    return null;

}

From source file:apidemo.APIDemo.java

public static String md5String(String str) {
    try {//from   w  ww  . ja  v a2 s . c  o m
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.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));
        }

        return sb.toString();
    } catch (Exception ex) {
        return "";
    }
}

From source file:Main.java

public static void printKeyHash(Activity pActivity) {
    // Add code to print out the key hash
    try {/* w w  w .ja v a2  s.  c  om*/
        PackageInfo info = pActivity.getPackageManager().getPackageInfo(pActivity.getPackageName(),
                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) {
        Log.d("KeyHash:", e.toString());
    } catch (NoSuchAlgorithmException e) {
        Log.d("KeyHash:", e.toString());
    }
}

From source file:Main.java

public static String createPubNubSafeBase64Hash(String input) {
    try {/*w w w.  j av  a 2 s  .c o  m*/
        MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
        messageDigest.update(input.getBytes());
        String encodedChannelName = Base64.encodeToString(messageDigest.digest(), Base64.URL_SAFE);

        //pubnub channel names cannot be more than 92 characters
        if (encodedChannelName.length() > 92) {
            encodedChannelName = encodedChannelName.substring(0, 91);
        }
        //pubnub channel names cannot have whitespace characters
        return encodedChannelName.trim();
    } catch (Exception e) {
        Log.d("X", "Error in encoding: " + e.getMessage());
        return null;
    }
}

From source file:Main.java

/**
 * Returns the Md5 hash for the given text.
 * //from   ww  w. jav  a2  s.  c  o m
 * @param text
 *            String whose Md5 hash should be returned.
 * @return Returns the Md5 hash for the given text.
 */
public static String getMd5Hash(String text) {
    StringBuffer result = new StringBuffer(32);
    try {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        md5.update(text.getBytes());
        Formatter f = new Formatter(result);

        byte[] digest = md5.digest();

        for (int i = 0; i < digest.length; i++) {
            f.format("%02x", new Object[] { new Byte(digest[i]) });
        }
    } catch (NoSuchAlgorithmException ex) {
        ex.printStackTrace();
    }

    return result.toString();
}

From source file:br.com.bluesoft.pronto.service.Seguranca.java

public static String encrypt(final String x) {
    try {/*from w w  w  . j ava 2s  .c  o  m*/
        final MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(x.getBytes());
        final byte[] hashMd5 = md.digest();
        final byte[] base64 = Base64.encodeBase64(hashMd5);
        return new String(base64);
    } catch (final Exception e) {
        return null;
    }
}