package org.bouncycastle.shaded.util;

import java.security.AccessController;
import java.security.PrivilegedAction;
/* loaded from: classes.dex */
public final class Strings {
    private static String LINE_SEPARATOR;

    static {
        try {
            LINE_SEPARATOR = (String) AccessController.doPrivileged(new PrivilegedAction<String>() { // from class: org.bouncycastle.util.Strings.1
                @Override // java.security.PrivilegedAction
                public String run() {
                    return System.getProperty("line.separator");
                }
            });
        } catch (Exception e) {
            try {
                LINE_SEPARATOR = String.format("%n", new Object[0]);
            } catch (Exception e2) {
                LINE_SEPARATOR = "\n";
            }
        }
    }

    public static String toLowerCase(String str) {
        char[] charArray = str.toCharArray();
        boolean z = false;
        for (int i = 0; i != charArray.length; i++) {
            char c = charArray[i];
            if ('A' <= c && 'Z' >= c) {
                charArray[i] = (char) ((c - 'A') + 97);
                z = true;
            }
        }
        return z ? new String(charArray) : str;
    }
}