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:com.adaptris.core.mail.attachment.MailContent.java

private static String calculateHash(byte[] b) {
    String result = null;/*from   w w w  . jav  a2s  . c  o  m*/
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(b);
        byte[] hash = md.digest();
        result = Conversion.byteArrayToBase64String(hash);
    } catch (Exception e) {
        ;
    }
    return result;
}

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From source file:Main.java

public static String getMessageDigest(byte[] paramArrayOfByte) {
    char[] arrayOfChar1 = { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102 };
    String str;// w  w w  .j  av  a2s  .  c o  m
    try {
        MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
        localMessageDigest.update(paramArrayOfByte);
        byte[] arrayOfByte = localMessageDigest.digest();
        int i = arrayOfByte.length;
        char[] arrayOfChar2 = new char[i * 2];
        int j = 0;
        int k = 0;
        while (true) {
            if (j >= i) {
                str = new String(arrayOfChar2);
                break;
            }
            int m = arrayOfByte[j];
            int n = k + 1;
            arrayOfChar2[k] = arrayOfChar1[(0xF & m >>> 4)];
            k = n + 1;
            arrayOfChar2[n] = arrayOfChar1[(m & 0xF)];
            j++;
        }
    } catch (Exception localException) {
        str = null;
    }
    return str;
}

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

public static String encrypt(final String x) {
    try {//from w w  w .jav a2  s .  c om
        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;
    }
}

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From source file:Main.java

/**
 * md5// w w w.  j a  v a  2  s .  c  om
 * 
 * @param str
 * @return
 */
public static String md5(String str) {
    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.reset();
        messageDigest.update(str.getBytes("UTF-8"));
        byte[] byteArray = messageDigest.digest();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < byteArray.length; i++) {
            if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) {
                sb.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
            } else {
                sb.append(Integer.toHexString(0xFF & byteArray[i]));
            }
        }

        return sb.toString();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return str;
}

---

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;//from  www  .j  av  a2 s . c  o 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";
}

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From source file:Main.java

public static String MD5(String paramString) {
    if (paramString == null)
        return null;
    try {//w w  w.  jav  a 2 s  .co  m
        byte[] arrayOfByte1 = paramString.getBytes();
        MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
        localMessageDigest.reset();
        localMessageDigest.update(arrayOfByte1);
        byte[] arrayOfByte2 = localMessageDigest.digest();
        StringBuffer localStringBuffer = new StringBuffer();
        for (int i = 0; i < arrayOfByte2.length; i++) {
            Object[] arrayOfObject = new Object[1];
            arrayOfObject[0] = Byte.valueOf(arrayOfByte2[i]);
            localStringBuffer.append(String.format("%02X", arrayOfObject));
        }
        String str = localStringBuffer.toString();
        return str;
    } catch (Exception localException) {
    }
    return paramString.replaceAll("[^[a-z][A-Z][0-9][.][_]]", "");
}

---

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. co 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 md5(String input) {
    try {/*w w  w. ja  va 2  s.c o  m*/
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.update(input.getBytes());
        byte[] resultByteArray = messageDigest.digest();
        char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
        char[] resultCharArray = new char[resultByteArray.length * 2];
        int index = 0;
        for (byte b : resultByteArray) {
            resultCharArray[index++] = hexDigits[b >>> 4 & 0xf];
            resultCharArray[index++] = hexDigits[b & 0xf];
        }
        return new String(resultCharArray);
    } catch (NoSuchAlgorithmException e) {
        return null;
    }
}

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From source file:StringUtils.java

public static String hashString(String sPassword) {

    if (sPassword == null || sPassword.equals("")) {
        return "empty:";
    } else {/* w ww .  j  a v  a2s .co m*/
        try {
            MessageDigest md = MessageDigest.getInstance("SHA-1");
            md.update(sPassword.getBytes("UTF-8"));
            byte[] res = md.digest();
            return "sha1:" + byte2hex(res);
        } catch (NoSuchAlgorithmException e) {
            return "plain:" + sPassword;
        } catch (UnsupportedEncodingException e) {
            return "plain:" + sPassword;
        }
    }
}

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From source file:de.hybris.platform.b2b.punchout.services.impl.AsymmetricManager.java

/**
 * Generates a hash using asymmetric encryption.
 * //  w  w w.j  a v a  2  s .  c  o  m
 * @param unsecureText
 *           The text to be hashed.
 * @param salt
 *           The salt used to defend against dictionary and rainbow table attacks.
 * @return The hash.
 */
public static String getHash(final String unsecureText, final String salt) {
    try {
        final MessageDigest digest = MessageDigest.getInstance(ALGORITHM);
        digest.update(unsecureText.getBytes(CHAR_SET));
        digest.update(salt.getBytes(CHAR_SET));
        final byte[] byteData = digest.digest();

        //convert the byte to hex format method 1
        final 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 (NoSuchAlgorithmException | UnsupportedEncodingException e) {
        // should never happen
        LOG.error("System was unable to generate the hash.", e);
    }
    return null;
}

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