81 lines
3.0 KiB
Java
81 lines
3.0 KiB
Java
package com.google.android.gms.internal.p002firebaseauthapi;
|
|
|
|
import android.util.Log;
|
|
import java.security.GeneralSecurityException;
|
|
import java.security.InvalidKeyException;
|
|
import java.security.KeyStore;
|
|
import java.security.ProviderException;
|
|
import javax.crypto.Cipher;
|
|
import javax.crypto.SecretKey;
|
|
import javax.crypto.spec.GCMParameterSpec;
|
|
|
|
/* loaded from: classes2.dex */
|
|
public final class zzfo implements zzap {
|
|
private static final String zza = "zzfo";
|
|
private final SecretKey zzb;
|
|
|
|
/* JADX INFO: Access modifiers changed from: package-private */
|
|
public zzfo(String str, KeyStore keyStore) throws GeneralSecurityException {
|
|
SecretKey secretKey = (SecretKey) keyStore.getKey(str, null);
|
|
this.zzb = secretKey;
|
|
if (secretKey == null) {
|
|
throw new InvalidKeyException("Keystore cannot load the key with ID: ".concat(String.valueOf(str)));
|
|
}
|
|
}
|
|
|
|
private static void zzc() {
|
|
try {
|
|
Thread.sleep((int) (Math.random() * 100.0d));
|
|
} catch (InterruptedException unused) {
|
|
}
|
|
}
|
|
|
|
private final byte[] zzd(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
|
|
int length = bArr.length;
|
|
if (length < 28) {
|
|
throw new GeneralSecurityException("ciphertext too short");
|
|
}
|
|
GCMParameterSpec gCMParameterSpec = new GCMParameterSpec(128, bArr, 0, 12);
|
|
Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
|
|
cipher.init(2, this.zzb, gCMParameterSpec);
|
|
cipher.updateAAD(bArr2);
|
|
return cipher.doFinal(bArr, 12, length - 12);
|
|
}
|
|
|
|
private final byte[] zze(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
|
|
int length = bArr.length;
|
|
if (length <= 2147483619) {
|
|
byte[] bArr3 = new byte[length + 28];
|
|
Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
|
|
cipher.init(1, this.zzb);
|
|
cipher.updateAAD(bArr2);
|
|
cipher.doFinal(bArr, 0, length, bArr3, 12);
|
|
System.arraycopy(cipher.getIV(), 0, bArr3, 0, 12);
|
|
return bArr3;
|
|
}
|
|
throw new GeneralSecurityException("plaintext too long");
|
|
}
|
|
|
|
@Override // com.google.android.gms.internal.p002firebaseauthapi.zzap
|
|
public final byte[] zza(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
|
|
try {
|
|
return zzd(bArr, bArr2);
|
|
} catch (GeneralSecurityException | ProviderException e) {
|
|
Log.w(zza, "encountered a potentially transient KeyStore error, will wait and retry", e);
|
|
zzc();
|
|
return zzd(bArr, bArr2);
|
|
}
|
|
}
|
|
|
|
@Override // com.google.android.gms.internal.p002firebaseauthapi.zzap
|
|
public final byte[] zzb(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
|
|
try {
|
|
return zze(bArr, bArr2);
|
|
} catch (GeneralSecurityException | ProviderException e) {
|
|
Log.w(zza, "encountered a potentially transient KeyStore error, will wait and retry", e);
|
|
zzc();
|
|
return zze(bArr, bArr2);
|
|
}
|
|
}
|
|
}
|