package com.google.android.gms.internal.p002firebaseauthapi;

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

/* loaded from: classes2.dex */
final class zzeu {
    private static final byte[] zza = new byte[0];
    private final zzet zzb;
    private final BigInteger zzc;
    private final byte[] zzd;
    private final byte[] zze;
    private final byte[] zzf;
    private BigInteger zzg = BigInteger.ZERO;

    /* JADX INFO: Access modifiers changed from: package-private */
    public static zzeu zzb(byte[] bArr, byte[] bArr2, zzex zzexVar, zzes zzesVar, zzet zzetVar, byte[] bArr3) throws GeneralSecurityException {
        byte[] zzb = zzff.zzb(zzexVar.zzb(), zzesVar.zzc(), zzetVar.zzb());
        byte[] bArr4 = zzff.zzl;
        byte[] bArr5 = zza;
        byte[] zzc = zzpp.zzc(zzff.zza, zzesVar.zze(bArr4, bArr5, "psk_id_hash", zzb), zzesVar.zze(zzff.zzl, bArr3, "info_hash", zzb));
        byte[] zze = zzesVar.zze(bArr2, bArr5, "secret", zzb);
        return new zzeu(bArr, zzesVar.zzd(zze, zzc, "key", zzb, zzetVar.zza()), zzesVar.zzd(zze, zzc, "base_nonce", zzb, 12), BigInteger.ONE.shiftLeft(96).subtract(BigInteger.ONE), zzetVar);
    }

    private final byte[] zzc() throws GeneralSecurityException {
        byte[] zzd;
        synchronized (this) {
            byte[] bArr = this.zze;
            byte[] byteArray = this.zzg.toByteArray();
            int length = byteArray.length;
            if (length != 12) {
                if (length > 13) {
                    throw new GeneralSecurityException("integer too large");
                }
                if (length == 13) {
                    if (byteArray[0] == 0) {
                        byteArray = Arrays.copyOfRange(byteArray, 1, 13);
                    } else {
                        throw new GeneralSecurityException("integer too large");
                    }
                } else {
                    byte[] bArr2 = new byte[12];
                    System.arraycopy(byteArray, 0, bArr2, 12 - length, length);
                    byteArray = bArr2;
                }
            }
            zzd = zzpp.zzd(bArr, byteArray);
            if (this.zzg.compareTo(this.zzc) >= 0) {
                throw new GeneralSecurityException("message limit reached");
            }
            this.zzg = this.zzg.add(BigInteger.ONE);
        }
        return zzd;
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public final byte[] zza(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
        return this.zzb.zzc(this.zzd, zzc(), bArr, bArr2);
    }

    private zzeu(byte[] bArr, byte[] bArr2, byte[] bArr3, BigInteger bigInteger, zzet zzetVar) {
        this.zzf = bArr;
        this.zzd = bArr2;
        this.zze = bArr3;
        this.zzc = bigInteger;
        this.zzb = zzetVar;
    }
}