Creates an MD5 hash of the provided string and returns its ASCII representation - Android java.security

Android examples for java.security:MD5

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Description

Creates an MD5 hash of the provided string and returns its ASCII representation

Demo Code

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class Main{

    /**/*from ww w . java2 s  .  c o m*/
     * Creates an MD5 hash of the provided string and returns its ASCII representation
     * @param s String to hash
     * @return ASCII MD5 representation of the string passed in
     */
    public static String md5string(String s) {
        StringBuilder hexStr = new StringBuilder();
        try {
            // Create MD5 Hash
            MessageDigest digest = java.security.MessageDigest
                    .getInstance("MD5");
            digest.update(s.getBytes("utf-8"));
            byte[] messageDigest = digest.digest();

            final int maxByteVal = 0xFF;
            for (byte b : messageDigest) {
                hexStr.append(Integer.toHexString(maxByteVal & b));
            }
        } catch (NoSuchAlgorithmException | UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        }
        return hexStr.toString();
    }

}

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