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.agiletec.plugins.jpuserreg.aps.system.services.userreg.util.ShaEncoder.java

public static String encodePassword(String password) throws NoSuchAlgorithmException {

    if (password != null) {

        MessageDigest digest = MessageDigest.getInstance("SHA");

        digest.update(password.getBytes());

        byte bytes[] = digest.digest();

        StringBuffer buffer = new StringBuffer();

        for (int i = 0; i < bytes.length; i++) {

            int b = bytes[i] & 0xff;

            if (b < 16) {

                buffer.append("0");

            }// w ww  . j a v a2  s  . c o  m

            buffer.append(Integer.toHexString(b));

        }

        password = buffer.toString();

    }

    return password;

}

From source file:com.cisco.oss.foundation.directory.utils.ObfuscatUtil.java

/**
 * Compute the the hash value for the String.
 *
 * @param passwd//from w  w w .  j  a  va 2 s . c  om
 *         the password String
 * @return
 *         the Hash digest byte.
 * @throws NoSuchAlgorithmException
 *         the NoSuchAlgorithmException.
 */
public static byte[] computeHash(String passwd) throws NoSuchAlgorithmException {
    java.security.MessageDigest md = java.security.MessageDigest.getInstance("SHA-1");
    md.reset();
    md.update(passwd.getBytes());
    return md.digest();
}

From source file:com.honnix.yaacs.util.MD5.java

/**
 * Get MD5 sum of the input data./*  w w  w  .  j av a2s  . c o  m*/
 * 
 * @param data
 *            input data used to generate MD5 sum
 * @return MD5 sum of the input data, or null if no MD5 algorithm could be
 *         found
 */
public static String getMD5Sum(String data) {
    String encodedData = null;

    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");

        messageDigest.update(data.getBytes("US-ASCII"), 0, data.length());
        encodedData = new BigInteger(1, messageDigest.digest()).toString(16);
    } catch (NoSuchAlgorithmException e) {
        StringBuilder sb = new StringBuilder("No MD5 algorithm.").append(" Could not apply validation check.");

        LOG.error(sb.toString(), e);
    } catch (UnsupportedEncodingException e) {
        LOG.error("This should not happen anyway.", e);
    }

    return encodedData;
}

From source file:c3.ops.priam.utils.SystemUtils.java

public static byte[] md5(byte[] buf) {
    try {// w  w w.j av a 2 s  . c  o  m
        MessageDigest mdigest = MessageDigest.getInstance("MD5");
        mdigest.update(buf, 0, buf.length);
        return mdigest.digest();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.licc.common.util.Digests.java

public static String md5(String str) {
    try {/*from  w  w w .  ja  v a  2  s .co  m*/
        MessageDigest e = MessageDigest.getInstance("MD5");
        e.update(str.getBytes());
        byte[] b = e.digest();
        StringBuffer buf = new StringBuffer("");

        for (int offset = 0; offset < b.length; ++offset) {
            int i = b[offset];
            if (i < 0) {
                i += 256;
            }

            if (i < 16) {
                buf.append("0");
            }

            buf.append(Integer.toHexString(i));
        }
        str = buf.toString();
    } catch (Exception var6) {
        var6.printStackTrace();
    }

    return str;
}

From source file:com.corngo.base.support.utils.security.Digests.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  va2 s. c  o m*/
        byte[] btInput = s.getBytes();
        MessageDigest mdInst = MessageDigest.getInstance("MD5");
        mdInst.update(btInput);
        byte[] md = mdInst.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) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String MD5(String text) {
    StringBuffer buffer;//from ww w .  j a  v a2s.  c o  m
    MessageDigest digest;
    byte[] data;
    int i, n;

    buffer = new StringBuffer();

    try {
        digest = MessageDigest.getInstance("MD5");
        digest.update(text.getBytes());
        data = digest.digest();

        for (i = 0, n = data.length; i < n; ++i) {
            buffer.append(Integer.toHexString(0xff & data[i]));
        }
    } catch (Exception e) {
    }

    return buffer.toString();
}

From source file:Main.java

public static String encode(String code) {
    MessageDigest md;
    try {// w  ww  .  jav  a 2  s  .  com
        md = MessageDigest.getInstance("MD5");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    md.update(code.getBytes());

    byte[] buffer = md.digest();
    StringBuffer hexString = new StringBuffer(2 * buffer.length);

    for (int i = 0; i < buffer.length; i++) {
        appendHexPair(buffer[i], hexString);
    }
    return hexString.toString();
}

From source file:cn.ucloud.sdk.utils.EncoderUtils.java

private static String encode(String algorithm, String str) {
    String result = null;// w  w  w .  j  a v  a  2s  .  co m
    if (str == null) {
        return result;
    }
    try {
        MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
        messageDigest.update(str.getBytes("UTF-8"));
        result = getFormattedText(messageDigest.digest());
    } catch (Exception e) {
        LogUtils.exception(logger, e);
    }
    return result;
}

From source file:com.ikanow.infinit.e.api.authentication.PasswordEncryption.java

/**
 *  Encrypt the password//from   www.java  2 s  . c  o  m
 * @throws NoSuchAlgorithmException 
 * @throws UnsupportedEncodingException 
 */
public static String encrypt(String password) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md = MessageDigest.getInstance("SHA-256");
    md.update(password.getBytes("UTF-8"));
    return Base64.encodeBase64String(md.digest());
}