Spermatid v6.1.8版本的 MD5 值为：a375ce51a42d528ba6e2583c10478296

以下内容为反编译后的 a.java 源代码，内容仅作参考

package ub;

import android.annotation.SuppressLint;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import androidx.exifinterface.media.ExifInterface;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Map;

public class a {

    public static class C1389a implements Comparator<Map.Entry<String, String>> {
        @Override
        public int compare(Map.Entry<String, String> entry, Map.Entry<String, String> entry2) {
            return entry.getKey().toString().compareTo(entry2.getKey());
        }
    }

    public static String a(byte[] bArr) {
        StringBuffer stringBuffer = new StringBuffer();
        for (byte b10 : bArr) {
            String hexString = Integer.toHexString(b10 & ExifInterface.MARKER);
            if (hexString.length() == 1) {
                stringBuffer.append("0");
            }
            stringBuffer.append(hexString);
        }
        return stringBuffer.toString();
    }

    @SuppressLint({"NewApi"})
    public static String b(Map<String, String> map, boolean z10, boolean z11) {
        try {
            ArrayList<Map.Entry> arrayList = new ArrayList(map.entrySet());
            Collections.sort(arrayList, new C1389a());
            Uri.Builder buildUpon = Uri.parse("http://www.google.com").buildUpon();
            for (Map.Entry entry : arrayList) {
                String str = (String) entry.getKey();
                String str2 = (String) entry.getValue();
                if (!TextUtils.isEmpty(str) && !TextUtils.isEmpty(str2)) {
                    buildUpon.appendQueryParameter(str, str2);
                }
            }
            String replace = buildUpon.toString().replace("http://www.google.com?", "").replace("*", "%2A").replace("%20", "+");
            return replace != null ? replace : "";
        } catch (Exception e10) {
            Log.d("test", "sign.formatmap.e=" + e10.toString());
            return null;
        }
    }

    public static String c(String str) {
        try {
            MessageDigest messageDigest = MessageDigest.getInstance("MD5");
            messageDigest.update(str.getBytes("UTF-8"));
            return a(messageDigest.digest());
        } catch (UnsupportedEncodingException e10) {
            e10.printStackTrace();
            return "";
        } catch (NoSuchAlgorithmException e11) {
            e11.printStackTrace();
            return "";
        }
    }

    public static String d(String str) {
        try {
            MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
            messageDigest.update(str.getBytes("UTF-8"));
            return a(messageDigest.digest());
        } catch (NoSuchAlgorithmException e10) {
            e10.printStackTrace();
            return "";
        } catch (Exception e11) {
            e11.printStackTrace();
            return "";
        }
    }
}