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 keyHash(Context context) {
    String key = "";
    try {/*from  ww w. j  a va 2s  .co  m*/
        PackageInfo info = context.getPackageManager().getPackageInfo("org.tathva.triloaded.anubhava",
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            key = Base64.encodeToString(md.digest(), Base64.DEFAULT);
            Log.d("anas", key);
        }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }

    return key;
}

From source file:Main.java

private static String generateSHA256(String offThis) {
    String result = "";
    try {//from w w w  . j a v a  2 s  .  co  m
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(offThis.getBytes());
        byte mdBytes[] = md.digest();
        result = bytesToHex(mdBytes);
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return result;
}

From source file:com.adaptris.core.mail.attachment.MailContent.java

private static String calculateHash(byte[] b) {
    String result = null;//ww w .j  a  v  a  2  s.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;
}

From source file:com.beginner.core.utils.MD5.java

public static String md5(String str) {
    try {/*from  w w w .  j ava2 s. c om*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes());
        byte b[] = md.digest();

        int i;

        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < b.length; offset++) {
            i = b[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }
        str = buf.toString();
    } catch (Exception e) {
        e.printStackTrace();

    }
    return str;
}

From source file:Main.java

public static String hashKeyForDisk(String key) {
    String cacheKey;/* www .  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:Main.java

public static String signature(String source) {

    try {/*ww w  .j a v a2  s  . c  o m*/
        MessageDigest md = MessageDigest.getInstance("MD5");

        md.reset();
        md.update(source.getBytes());

        byte[] mdbytes = md.digest();

        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < mdbytes.length; i++) {
            String hex = Integer.toHexString(0xff & mdbytes[i]);
            if (hex.length() == 1)
                hexString.append('0');
            hexString.append(hex);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void printHashKey(Context context) {
    try {//from   w w w . j a  v  a 2  s .co  m
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (android.content.pm.Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.e("HASH KEY:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
}

From source file:Main.java

public static String md5(String input) {
    String result = input;//from w ww. jav a  2  s  . co m
    if (input != null) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(input.getBytes());
            BigInteger hash = new BigInteger(1, md.digest());
            result = hash.toString(16);
            if ((result.length() % 2) != 0) {
                result = "0" + result;
            }
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
    }
    return result;
}

From source file:Main.java

public static String str2md5(String str) {
    try {//from  ww w.j  a v  a 2  s .c o m
        MessageDigest algorithm = MessageDigest.getInstance("MD5");
        algorithm.reset();
        algorithm.update(str.getBytes());
        byte[] bytes = algorithm.digest();
        StringBuilder hexString = new StringBuilder();
        for (byte b : bytes) {
            hexString.append(HEX_DIGITS[b >> 4 & 0xf]);
            hexString.append(HEX_DIGITS[b & 0xf]);
        }
        return hexString.toString();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

From source file:MainClass.java

public static byte[] makeDigest(String user, String password, long t1, double q1)
        throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(user.getBytes());//from w  w w.  j  av  a  2  s  .co  m
    md.update(password.getBytes());
    md.update(makeBytes(t1, q1));
    return md.digest();
}