75 lines
2.4 KiB
Java
75 lines
2.4 KiB
Java
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package com.huawei.hms.hatool;
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import android.util.Pair;
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import java.nio.charset.Charset;
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import java.security.SecureRandom;
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import o.BAC;
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import o.JyG;
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import o.YkQ;
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import o.Yqs;
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/* loaded from: classes2.dex */
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public class n {
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public static final Charset a = Charset.forName("UTF-8");
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public static String a(byte[] bArr, String str) {
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String str2;
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byte[] bArr2;
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if (bArr == null || bArr.length == 0 || str == null) {
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str2 = "cbc encrypt(byte) param is not right";
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} else {
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byte[] a2 = Yqs.a(str);
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if (a2.length >= 16) {
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SecureRandom d = BAC.d();
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if (d == null) {
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bArr2 = new byte[0];
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} else {
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byte[] bArr3 = new byte[12];
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d.nextBytes(bArr3);
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bArr2 = bArr3;
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}
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byte[] b = YkQ.b(bArr, a2, bArr2);
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byte[] bArr4 = new byte[bArr2.length + b.length];
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System.arraycopy(bArr2, 0, bArr4, 0, bArr2.length);
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System.arraycopy(b, 0, bArr4, bArr2.length, b.length);
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return Yqs.b(bArr4);
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}
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str2 = "key length is not right";
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}
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v.b("AesCipher", str2);
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return "";
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}
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public static String b(String str, String str2) {
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byte[] bArr;
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byte[] bytes = str.getBytes(a);
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byte[] a2 = Yqs.a(str2);
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SecureRandom d = BAC.d();
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if (d == null) {
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bArr = new byte[0];
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} else {
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byte[] bArr2 = new byte[16];
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d.nextBytes(bArr2);
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bArr = bArr2;
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}
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byte[] a3 = JyG.a(bytes, a2, bArr);
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byte[] bArr3 = new byte[bArr.length + a3.length];
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System.arraycopy(bArr, 0, bArr3, 0, bArr.length);
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System.arraycopy(a3, 0, bArr3, bArr.length, a3.length);
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return Yqs.b(bArr3);
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}
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public static String a(String str, String str2) {
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Pair<byte[], String> a2 = a(str, 32);
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return new String(JyG.b(Yqs.a((String) a2.second), Yqs.a(str2), (byte[]) a2.first), a);
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}
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public static Pair<byte[], String> a(String str, int i) {
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if (str == null || str.length() < i) {
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return new Pair<>(new byte[0], str);
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}
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String substring = str.substring(0, i);
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return new Pair<>(Yqs.a(substring), str.substring(i));
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}
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}
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