package com.google.android.gms.internal.ads;

import java.security.GeneralSecurityException;
import java.util.Arrays;

/* JADX INFO: loaded from: classes2.dex */
public final /* synthetic */ class a72 implements xz1 {

    /* JADX INFO: renamed from: a, reason: collision with root package name */
    public static final /* synthetic */ a72 f8514a = new a72();

    @Override // com.google.android.gms.internal.ads.xz1
    public final rb a(dw1 dw1Var, Integer num) throws GeneralSecurityException {
        y62 y62Var = (y62) dw1Var;
        b12 b12Var = b72.f9418a;
        byte[] bArrA = j12.a(32);
        if (bArrA.length != 32) {
            throw new IllegalArgumentException(String.format("Given secret seed length is not %s", 32));
        }
        byte[] bArrK = ih1.K(ih1.l0(bArrA));
        uz0 uz0Var = new uz0(bArrK, bArrA, 16);
        c72 c72VarA = c72.A(y62Var.f18672a, i92.a(Arrays.copyOf(bArrK, 32)), num);
        byte[] bArr = (byte[]) uz0Var.f17460b;
        return z62.D(c72VarA, jc1.d(Arrays.copyOf(bArr, bArr.length)));
    }
}