package o;

import android.util.Base64;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import javax.crypto.Cipher;

/* loaded from: classes6.dex */
public final class guE {
    public static final String d(String str) {
        C14957gcv.e(str, "");
        try {
            C14957gcv.e(str, "");
            byte[] decode = Base64.decode(str, 0);
            C14957gcv.c(decode, "");
            C14957gcv.e(decode, "");
            return new String(decode, gdP.a);
        } catch (Exception unused) {
            return null;
        }
    }

    public static final String b(Cipher cipher, String str) {
        C14957gcv.e(cipher, "");
        C14957gcv.e(str, "");
        try {
            C14957gcv.e(str, "");
            byte[] decode = Base64.decode(str, 0);
            C14957gcv.c(decode, "");
            byte[] doFinal = cipher.doFinal(decode);
            C14957gcv.c(doFinal, "");
            Charset charset = StandardCharsets.UTF_8;
            C14957gcv.c(charset, "");
            return new String(doFinal, charset);
        } catch (Exception unused) {
            return null;
        }
    }
}