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 void printOutMyHashKey(Context context, String packageName) {
    try {/*  w  ww . j  av  a  2  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

/**
 * Get current certificate fingerprint//from   w  ww. ja  v a 2 s. c  o  m
 *
 * @param ctx         context of application
 * @param packageName your package name
 * @return Base64 packed SHA fingerprint of your packet certificate
 */
public static String[] getCertificateFingerprint(Context ctx, String packageName) {
    try {
        if (ctx == null || ctx.getPackageManager() == null)
            return null;
        @SuppressLint("PackageManagerGetSignatures")
        PackageInfo info = ctx.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
        assert info.signatures != null;
        String[] result = new String[info.signatures.length];
        int i = 0;
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            result[i++] = toHex(md.digest());
        }
        return result;
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static String getPwdHash(String password, String salt) {
    try {/*ww  w  .  j  ava  2s . c  o m*/
        String temp = password + salt;
        MessageDigest md = MessageDigest.getInstance("SHA-256");

        md.update(temp.getBytes("UTF-8")); // Change this to "UTF-16" if needed
        byte[] digest = md.digest();
        return String.format("%0" + (digest.length * 2) + 'x', new BigInteger(1, digest));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.netflix.exhibitor.core.s3.S3Utils.java

public static byte[] md5(byte[] buffer, int length) {
    try {//from   w w  w.  jav a2  s .c o m
        MessageDigest mdigest = MessageDigest.getInstance("MD5");
        mdigest.update(buffer, 0, length);
        return mdigest.digest();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Sha1.java

public static String sha1(String text) {
    try {// ww  w  .ja  va2s.co  m
        MessageDigest md = MessageDigest.getInstance("SHA-1");

        md.update(text.getBytes("iso-8859-1"), 0, text.length());

        return convertToHex(md.digest());
    } catch (Exception e) {
        throw new Exception(format("Problem hashing %s", text), e);
    }
}

From source file:Main.java

private static String getCertificateSHA1(X509Certificate certificate)
        throws NoSuchAlgorithmException, CertificateEncodingException {
    MessageDigest messageDigest = MessageDigest.getInstance("SHA-1");
    byte[] der = certificate.getEncoded();
    messageDigest.update(der);/*w ww . j  a v  a 2  s. c om*/
    byte[] digest = messageDigest.digest();
    return hexify(digest);
}

From source file:Main.java

private static String md5(String origin) {
    try {/*from  w w w . java 2 s .c  o  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(origin.getBytes("UTF-8"));
        BigInteger bi = new BigInteger(1, md.digest());

        return bi.toString(16);
    } catch (Exception e) {
        return getUuid();
    }
}

From source file:Main.java

public static String hashKey(String key) {
    String cacheKey;//from  w ww.  j  a v a  2 s .c o m
    try {
        final MessageDigest mDigest = MessageDigest.getInstance("MD5");
        mDigest.update(key.getBytes());
        cacheKey = bytesToHexString(mDigest.digest());
    } catch (NoSuchAlgorithmException e) {
        cacheKey = String.valueOf(key.hashCode());
    }
    return cacheKey;
}

From source file:cn.edu.bit.whitesail.utils.MD5Signature.java

public static String calculate(byte[] byteArray) {
    StringBuffer result = null;/*from ww w. j a va2 s.  c  o  m*/
    if (byteArray == null)
        return null;
    try {
        MessageDigest m = MessageDigest.getInstance("MD5");
        m.update(byteArray);
        result = new StringBuffer(new BigInteger(1, m.digest()).toString(16));
        for (int i = 0; i < 32 - result.length(); i++)
            result.insert(0, '0');
    } catch (NoSuchAlgorithmException ex) {
        LOG.fatal("MD5 Hashing Failed,System is going down");
        System.exit(1);
    }
    return result.toString();
}

From source file:Main.java

/**
 * @param s String to MD5 hash//www.j av a2  s .  co m
 * @return MD5 hashed string
 */
public static String md5(String s) {
    if (s == null) {
        return "";
    }
    try {
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte[] messageDigest = digest.digest();
        return bytesToHex(messageDigest);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}