393 lines
8.7 KiB
Smali
393 lines
8.7 KiB
Smali
.class public final Lcom/google/android/gms/internal/firebase-auth-api/zzkb;
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.super Ljava/lang/Object;
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.source "com.google.firebase:firebase-auth@@21.0.1"
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# interfaces
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.implements Lcom/google/android/gms/internal/firebase-auth-api/zzak;
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# static fields
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.field private static final zza:Ljava/util/Collection;
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"Ljava/util/Collection<",
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"Ljava/lang/Integer;",
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">;"
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}
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.end annotation
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.end field
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.field private static final zzb:[B
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# instance fields
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.field private final zzc:Lcom/google/android/gms/internal/firebase-auth-api/zzlb;
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.field private final zzd:[B
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# direct methods
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.method public static constructor <clinit>()V
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.locals 3
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const/4 v0, 0x1
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new-array v0, v0, [Ljava/lang/Integer;
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const/16 v1, 0x40
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.line 1
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invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
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move-result-object v1
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const/4 v2, 0x0
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aput-object v1, v0, v2
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invoke-static {v0}, Ljava/util/Arrays;->asList([Ljava/lang/Object;)Ljava/util/List;
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move-result-object v0
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sput-object v0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zza:Ljava/util/Collection;
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const/16 v0, 0x10
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new-array v0, v0, [B
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sput-object v0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzb:[B
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return-void
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.end method
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.method public constructor <init>([B)V
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.locals 4
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/security/GeneralSecurityException;
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}
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.end annotation
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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sget-object v0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zza:Ljava/util/Collection;
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.line 1
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array-length v1, p1
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invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
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move-result-object v2
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invoke-interface {v0, v2}, Ljava/util/Collection;->contains(Ljava/lang/Object;)Z
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move-result v0
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if-eqz v0, :cond_0
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shr-int/lit8 v0, v1, 0x1
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const/4 v2, 0x0
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.line 2
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invoke-static {p1, v2, v0}, Ljava/util/Arrays;->copyOfRange([BII)[B
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move-result-object v2
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.line 3
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invoke-static {p1, v0, v1}, Ljava/util/Arrays;->copyOfRange([BII)[B
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move-result-object p1
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iput-object p1, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzd:[B
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new-instance p1, Lcom/google/android/gms/internal/firebase-auth-api/zzlb;
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.line 4
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invoke-direct {p1, v2}, Lcom/google/android/gms/internal/firebase-auth-api/zzlb;-><init>([B)V
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iput-object p1, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzc:Lcom/google/android/gms/internal/firebase-auth-api/zzlb;
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return-void
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.line 5
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:cond_0
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new-instance p1, Ljava/security/InvalidKeyException;
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const/16 v0, 0x3b
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const-string v2, "invalid key size: "
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const-string v3, " bytes; key must have 64 bytes"
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invoke-static {v0, v2, v1, v3}, Lcom/google/android/gms/auth/api/accounttransfer/a;->a(ILjava/lang/String;ILjava/lang/String;)Ljava/lang/String;
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move-result-object v0
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invoke-direct {p1, v0}, Ljava/security/InvalidKeyException;-><init>(Ljava/lang/String;)V
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throw p1
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.end method
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# virtual methods
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.method public final zza([B[B)[B
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.locals 9
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/security/GeneralSecurityException;
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}
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.end annotation
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.line 1
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array-length v0, p1
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const/16 v1, 0x10
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if-lt v0, v1, :cond_7
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.line 2
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sget-object v2, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zza:Lcom/google/android/gms/internal/firebase-auth-api/zzkp;
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const-string v3, "AES/CTR/NoPadding"
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invoke-virtual {v2, v3}, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zza(Ljava/lang/String;)Ljava/lang/Object;
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move-result-object v2
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check-cast v2, Ljavax/crypto/Cipher;
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const/4 v3, 0x0
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.line 3
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invoke-static {p1, v3, v1}, Ljava/util/Arrays;->copyOfRange([BII)[B
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move-result-object v4
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.line 4
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invoke-virtual {v4}, [B->clone()Ljava/lang/Object;
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move-result-object v5
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check-cast v5, [B
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const/16 v6, 0x8
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.line 5
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aget-byte v7, v5, v6
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and-int/lit8 v7, v7, 0x7f
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int-to-byte v7, v7
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aput-byte v7, v5, v6
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const/16 v6, 0xc
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.line 6
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aget-byte v7, v5, v6
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and-int/lit8 v7, v7, 0x7f
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int-to-byte v7, v7
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aput-byte v7, v5, v6
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.line 7
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new-instance v6, Ljavax/crypto/spec/SecretKeySpec;
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iget-object v7, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzd:[B
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const-string v8, "AES"
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invoke-direct {v6, v7, v8}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
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new-instance v7, Ljavax/crypto/spec/IvParameterSpec;
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invoke-direct {v7, v5}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V
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const/4 v5, 0x2
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invoke-virtual {v2, v5, v6, v7}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
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.line 8
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invoke-static {p1, v1, v0}, Ljava/util/Arrays;->copyOfRange([BII)[B
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move-result-object p1
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.line 9
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invoke-virtual {v2, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
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move-result-object v0
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.line 10
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array-length p1, p1
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if-nez p1, :cond_0
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if-nez v0, :cond_0
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invoke-static {}, Lcom/google/android/gms/internal/firebase-auth-api/zzlh;->zzb()Z
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move-result p1
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if-eqz p1, :cond_0
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new-array v0, v3, [B
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:cond_0
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new-array p1, v5, [[B
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aput-object p2, p1, v3
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const/4 p2, 0x1
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aput-object v0, p1, p2
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iget-object v2, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzc:Lcom/google/android/gms/internal/firebase-auth-api/zzlb;
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sget-object v5, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzb:[B
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.line 11
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invoke-virtual {v2, v5, v1}, Lcom/google/android/gms/internal/firebase-auth-api/zzlb;->zza([BI)[B
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move-result-object v2
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move v5, v3
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:goto_0
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if-gtz v5, :cond_2
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aget-object v5, p1, v3
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if-nez v5, :cond_1
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new-array v5, v3, [B
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.line 12
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:cond_1
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invoke-static {v2}, Lcom/google/android/gms/internal/firebase-auth-api/zzkc;->zzb([B)[B
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move-result-object v2
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iget-object v6, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzc:Lcom/google/android/gms/internal/firebase-auth-api/zzlb;
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invoke-virtual {v6, v5, v1}, Lcom/google/android/gms/internal/firebase-auth-api/zzlb;->zza([BI)[B
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move-result-object v5
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invoke-static {v2, v5}, Lcom/google/android/gms/internal/firebase-auth-api/zzkd;->zzd([B[B)[B
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move-result-object v2
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move v5, p2
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goto :goto_0
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:cond_2
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aget-object p1, p1, p2
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.line 13
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array-length p2, p1
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if-lt p2, v1, :cond_4
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.line 14
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array-length v5, v2
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if-lt p2, v5, :cond_3
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sub-int v5, p2, v5
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.line 15
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invoke-static {p1, p2}, Ljava/util/Arrays;->copyOf([BI)[B
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move-result-object p1
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.line 16
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:goto_1
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array-length p2, v2
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if-ge v3, p2, :cond_5
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add-int p2, v5, v3
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.line 17
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aget-byte v6, p1, p2
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aget-byte v7, v2, v3
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xor-int/2addr v6, v7
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int-to-byte v6, v6
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aput-byte v6, p1, p2
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add-int/lit8 v3, v3, 0x1
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goto :goto_1
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.line 18
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:cond_3
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new-instance p1, Ljava/lang/IllegalArgumentException;
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const-string p2, "xorEnd requires a.length >= b.length"
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.line 19
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invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
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throw p1
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.line 20
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:cond_4
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invoke-static {p1}, Lcom/google/android/gms/internal/firebase-auth-api/zzkc;->zza([B)[B
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move-result-object p1
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invoke-static {v2}, Lcom/google/android/gms/internal/firebase-auth-api/zzkc;->zzb([B)[B
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move-result-object p2
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invoke-static {p1, p2}, Lcom/google/android/gms/internal/firebase-auth-api/zzkd;->zzd([B[B)[B
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move-result-object p1
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.line 21
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:cond_5
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iget-object p2, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkb;->zzc:Lcom/google/android/gms/internal/firebase-auth-api/zzlb;
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.line 22
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invoke-virtual {p2, p1, v1}, Lcom/google/android/gms/internal/firebase-auth-api/zzlb;->zza([BI)[B
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move-result-object p1
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.line 23
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invoke-static {v4, p1}, Lcom/google/android/gms/internal/firebase-auth-api/zzkd;->zzb([B[B)Z
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move-result p1
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if-eqz p1, :cond_6
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return-object v0
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.line 24
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:cond_6
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new-instance p1, Ljavax/crypto/AEADBadTagException;
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const-string p2, "Integrity check failed."
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invoke-direct {p1, p2}, Ljavax/crypto/AEADBadTagException;-><init>(Ljava/lang/String;)V
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throw p1
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.line 25
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:cond_7
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new-instance p1, Ljava/security/GeneralSecurityException;
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const-string p2, "Ciphertext too short."
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invoke-direct {p1, p2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
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throw p1
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.end method
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