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

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

/* loaded from: classes.dex */
final class zzjb implements zzbk {
    private static final byte[] zza = new byte[0];
    private final zzje zzb;
    private final zzjd zzc;
    private final zziz zzd;
    private final int zze;
    private final zziy zzf;

    private zzjb(zzje zzjeVar, zzjd zzjdVar, zziy zziyVar, zziz zzizVar, int i10) {
        this.zzb = zzjeVar;
        this.zzc = zzjdVar;
        this.zzf = zziyVar;
        this.zzd = zzizVar;
        this.zze = i10;
    }

    static zzjb zzb(zzsu zzsuVar) {
        int i10;
        zzje zzc;
        if (!zzsuVar.zzk()) {
            throw new IllegalArgumentException("HpkePrivateKey is missing public_key field.");
        }
        if (!zzsuVar.zze().zzl()) {
            throw new IllegalArgumentException("HpkePrivateKey.public_key is missing params field.");
        }
        if (zzsuVar.zzf().zzp()) {
            throw new IllegalArgumentException("HpkePrivateKey.private_key is empty.");
        }
        zzsr zzb = zzsuVar.zze().zzb();
        zzjd zzb2 = zzjf.zzb(zzb);
        zziy zzc2 = zzjf.zzc(zzb);
        zziz zza2 = zzjf.zza(zzb);
        int zzf = zzb.zzf();
        int i11 = zzf - 2;
        if (i11 == 1) {
            i10 = 32;
        } else if (i11 == 2) {
            i10 = 65;
        } else if (i11 == 3) {
            i10 = 97;
        } else {
            if (i11 != 4) {
                throw new IllegalArgumentException("Unable to determine KEM-encoding length for ".concat(zzsl.zza(zzf)));
            }
            i10 = 133;
        }
        int zzf2 = zzsuVar.zze().zzb().zzf() - 2;
        if (zzf2 == 1) {
            zzc = zzjp.zzc(zzsuVar.zzf().zzq());
        } else {
            if (zzf2 != 2 && zzf2 != 3 && zzf2 != 4) {
                throw new GeneralSecurityException("Unrecognized HPKE KEM identifier");
            }
            zzc = zzjn.zzc(zzsuVar.zzf().zzq(), zzsuVar.zze().zzg().zzq(), zzjl.zzg(zzsuVar.zze().zzb().zzf()));
        }
        return new zzjb(zzc, zzb2, zzc2, zza2, i10);
    }

    @Override // com.google.android.gms.internal.p002firebaseauthapi.zzbk
    public final byte[] zza(byte[] bArr, byte[] bArr2) {
        int length = bArr.length;
        int i10 = this.zze;
        if (length < i10) {
            throw new GeneralSecurityException("Ciphertext is too short.");
        }
        byte[] copyOf = Arrays.copyOf(bArr, i10);
        byte[] copyOfRange = Arrays.copyOfRange(bArr, this.zze, length);
        zzje zzjeVar = this.zzb;
        zzjd zzjdVar = this.zzc;
        zziy zziyVar = this.zzf;
        zziz zzizVar = this.zzd;
        return zzja.zzb(copyOf, zzjdVar.zza(copyOf, zzjeVar), zzjdVar, zziyVar, zzizVar, new byte[0]).zza(copyOfRange, zza);
    }
}