package org.bouncycastle.shaded.util;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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/* loaded from: classes.dex */
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public final class Strings {
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private static String LINE_SEPARATOR;
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static {
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try {
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LINE_SEPARATOR = (String) AccessController.doPrivileged(new PrivilegedAction<String>() { // from class: org.bouncycastle.util.Strings.1
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@Override // java.security.PrivilegedAction
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public String run() {
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return System.getProperty("line.separator");
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}
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});
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} catch (Exception e) {
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try {
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LINE_SEPARATOR = String.format("%n", new Object[0]);
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} catch (Exception e2) {
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LINE_SEPARATOR = "\n";
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}
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}
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}
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public static String toLowerCase(String str) {
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char[] charArray = str.toCharArray();
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boolean z = false;
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for (int i = 0; i != charArray.length; i++) {
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char c = charArray[i];
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if ('A' <= c && 'Z' >= c) {
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charArray[i] = (char) ((c - 'A') + 97);
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z = true;
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}
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}
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return z ? new String(charArray) : str;
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}
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}
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