71 lines
2.8 KiB
Java
71 lines
2.8 KiB
Java
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package com.google.android.gms.internal.p002firebaseauthapi;
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import java.math.BigInteger;
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import java.security.GeneralSecurityException;
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import java.util.Arrays;
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/* loaded from: classes2.dex */
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final class zzeu {
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private static final byte[] zza = new byte[0];
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private final zzet zzb;
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private final BigInteger zzc;
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private final byte[] zzd;
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private final byte[] zze;
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private final byte[] zzf;
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private BigInteger zzg = BigInteger.ZERO;
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/* JADX INFO: Access modifiers changed from: package-private */
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public static zzeu zzb(byte[] bArr, byte[] bArr2, zzex zzexVar, zzes zzesVar, zzet zzetVar, byte[] bArr3) throws GeneralSecurityException {
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byte[] zzb = zzff.zzb(zzexVar.zzb(), zzesVar.zzc(), zzetVar.zzb());
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byte[] bArr4 = zzff.zzl;
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byte[] bArr5 = zza;
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byte[] zzc = zzpp.zzc(zzff.zza, zzesVar.zze(bArr4, bArr5, "psk_id_hash", zzb), zzesVar.zze(zzff.zzl, bArr3, "info_hash", zzb));
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byte[] zze = zzesVar.zze(bArr2, bArr5, "secret", zzb);
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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);
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}
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private final byte[] zzc() throws GeneralSecurityException {
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byte[] zzd;
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synchronized (this) {
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byte[] bArr = this.zze;
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byte[] byteArray = this.zzg.toByteArray();
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int length = byteArray.length;
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if (length != 12) {
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if (length > 13) {
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throw new GeneralSecurityException("integer too large");
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}
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if (length == 13) {
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if (byteArray[0] == 0) {
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byteArray = Arrays.copyOfRange(byteArray, 1, 13);
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} else {
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throw new GeneralSecurityException("integer too large");
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}
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} else {
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byte[] bArr2 = new byte[12];
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System.arraycopy(byteArray, 0, bArr2, 12 - length, length);
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byteArray = bArr2;
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}
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}
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zzd = zzpp.zzd(bArr, byteArray);
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if (this.zzg.compareTo(this.zzc) >= 0) {
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throw new GeneralSecurityException("message limit reached");
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}
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this.zzg = this.zzg.add(BigInteger.ONE);
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}
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return zzd;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public final byte[] zza(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
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return this.zzb.zzc(this.zzd, zzc(), bArr, bArr2);
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}
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private zzeu(byte[] bArr, byte[] bArr2, byte[] bArr3, BigInteger bigInteger, zzet zzetVar) {
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this.zzf = bArr;
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this.zzd = bArr2;
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this.zze = bArr3;
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this.zzc = bigInteger;
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this.zzb = zzetVar;
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}
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}
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