590 lines
12 KiB
Smali
590 lines
12 KiB
Smali
.class public final Lcom/google/android/gms/internal/firebase-auth-api/zzjy;
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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/zzag;
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# static fields
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.field private static final zza:Ljava/lang/ThreadLocal;
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"Ljava/lang/ThreadLocal<",
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"Ljavax/crypto/Cipher;",
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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:Ljava/lang/ThreadLocal;
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"Ljava/lang/ThreadLocal<",
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"Ljavax/crypto/Cipher;",
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">;"
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}
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.end annotation
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.end field
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# instance fields
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.field private final zzc:[B
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.field private final zzd:[B
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.field private final zze:Ljavax/crypto/spec/SecretKeySpec;
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.field private final zzf:I
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# direct methods
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.method public static constructor <clinit>()V
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.locals 1
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new-instance v0, Lcom/google/android/gms/internal/firebase-auth-api/zzjw;
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.line 1
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invoke-direct {v0}, Lcom/google/android/gms/internal/firebase-auth-api/zzjw;-><init>()V
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sput-object v0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zza:Ljava/lang/ThreadLocal;
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new-instance v0, Lcom/google/android/gms/internal/firebase-auth-api/zzjx;
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.line 2
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invoke-direct {v0}, Lcom/google/android/gms/internal/firebase-auth-api/zzjx;-><init>()V
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sput-object v0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzb:Ljava/lang/ThreadLocal;
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return-void
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.end method
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.method public constructor <init>([BI)V
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.locals 2
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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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const/16 v0, 0x10
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const/16 v1, 0xc
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if-eq p2, v1, :cond_1
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if-ne p2, v0, :cond_0
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goto :goto_0
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:cond_0
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new-instance p1, Ljava/lang/IllegalArgumentException;
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const-string p2, "IV size should be either 12 or 16 bytes"
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.line 1
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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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:cond_1
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:goto_0
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iput p2, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzf:I
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.line 2
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array-length p2, p1
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invoke-static {p2}, Lcom/google/android/gms/internal/firebase-auth-api/zzli;->zzb(I)V
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.line 3
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new-instance p2, Ljavax/crypto/spec/SecretKeySpec;
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const-string v1, "AES"
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invoke-direct {p2, p1, v1}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
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iput-object p2, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zze:Ljavax/crypto/spec/SecretKeySpec;
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sget-object p1, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zza:Ljava/lang/ThreadLocal;
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.line 4
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invoke-virtual {p1}, Ljava/lang/ThreadLocal;->get()Ljava/lang/Object;
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move-result-object p1
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check-cast p1, Ljavax/crypto/Cipher;
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const/4 v1, 0x1
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.line 5
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invoke-virtual {p1, v1, p2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V
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new-array p2, v0, [B
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.line 6
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invoke-virtual {p1, p2}, Ljavax/crypto/Cipher;->doFinal([B)[B
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move-result-object p1
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.line 7
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invoke-static {p1}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzc([B)[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/zzjy;->zzc:[B
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.line 8
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invoke-static {p1}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzc([B)[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/zzjy;->zzd:[B
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return-void
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.end method
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.method private static zzc([B)[B
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.locals 6
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const/16 v0, 0x10
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new-array v0, v0, [B
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const/4 v1, 0x0
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move v2, v1
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:goto_0
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const/16 v3, 0xf
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if-ge v2, v3, :cond_0
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.line 1
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aget-byte v3, p0, v2
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add-int/lit8 v4, v2, 0x1
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add-int/2addr v3, v3
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aget-byte v5, p0, v4
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and-int/lit16 v5, v5, 0xff
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ushr-int/lit8 v5, v5, 0x7
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xor-int/2addr v3, v5
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and-int/lit16 v3, v3, 0xff
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int-to-byte v3, v3
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aput-byte v3, v0, v2
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move v2, v4
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goto :goto_0
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.line 2
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:cond_0
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aget-byte v2, p0, v3
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add-int/2addr v2, v2
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aget-byte p0, p0, v1
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shr-int/lit8 p0, p0, 0x7
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and-int/lit16 p0, p0, 0x87
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xor-int/2addr p0, v2
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int-to-byte p0, p0
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aput-byte p0, v0, v3
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return-object v0
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.end method
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.method private final zzd(Ljavax/crypto/Cipher;I[BII)[B
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.locals 6
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljavax/crypto/IllegalBlockSizeException;,
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Ljavax/crypto/BadPaddingException;
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}
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.end annotation
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const/16 v0, 0x10
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new-array v1, v0, [B
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int-to-byte p2, p2
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const/16 v2, 0xf
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aput-byte p2, v1, v2
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if-nez p5, :cond_0
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iget-object p2, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzc:[B
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.line 1
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invoke-static {v1, p2}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zze([B[B)[B
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move-result-object p2
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invoke-virtual {p1, p2}, Ljavax/crypto/Cipher;->doFinal([B)[B
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move-result-object p1
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return-object p1
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.line 2
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:cond_0
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invoke-virtual {p1, v1}, Ljavax/crypto/Cipher;->doFinal([B)[B
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move-result-object p2
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const/4 v1, 0x0
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move v2, v1
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:goto_0
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sub-int v3, p5, v2
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if-le v3, v0, :cond_2
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move v3, v1
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:goto_1
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if-ge v3, v0, :cond_1
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.line 3
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aget-byte v4, p2, v3
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add-int v5, p4, v2
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add-int/2addr v5, v3
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aget-byte v5, p3, v5
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xor-int/2addr v4, v5
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int-to-byte v4, v4
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aput-byte v4, p2, v3
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add-int/lit8 v3, v3, 0x1
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goto :goto_1
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.line 4
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:cond_1
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invoke-virtual {p1, p2}, Ljavax/crypto/Cipher;->doFinal([B)[B
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move-result-object p2
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add-int/lit8 v2, v2, 0x10
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goto :goto_0
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:cond_2
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add-int/2addr v2, p4
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add-int/2addr p4, p5
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.line 5
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invoke-static {p3, v2, p4}, Ljava/util/Arrays;->copyOfRange([BII)[B
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move-result-object p3
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.line 6
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array-length p4, p3
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if-ne p4, v0, :cond_3
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iget-object p4, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzc:[B
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.line 7
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invoke-static {p3, p4}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zze([B[B)[B
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move-result-object p3
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goto :goto_3
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.line 8
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:cond_3
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iget-object p4, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzd:[B
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.line 9
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invoke-static {p4, v0}, Ljava/util/Arrays;->copyOf([BI)[B
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move-result-object p4
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.line 10
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:goto_2
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array-length p5, p3
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if-ge v1, p5, :cond_4
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.line 11
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aget-byte p5, p4, v1
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aget-byte v0, p3, v1
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xor-int/2addr p5, v0
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int-to-byte p5, p5
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aput-byte p5, p4, v1
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add-int/lit8 v1, v1, 0x1
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goto :goto_2
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.line 12
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:cond_4
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aget-byte p3, p4, p5
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xor-int/lit16 p3, p3, 0x80
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int-to-byte p3, p3
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aput-byte p3, p4, p5
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move-object p3, p4
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.line 13
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:goto_3
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invoke-static {p2, p3}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zze([B[B)[B
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move-result-object p2
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.line 14
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invoke-virtual {p1, p2}, Ljavax/crypto/Cipher;->doFinal([B)[B
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move-result-object p1
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return-object p1
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.end method
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.method private static zze([B[B)[B
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.locals 5
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.line 1
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array-length v0, p0
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new-array v1, v0, [B
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const/4 v2, 0x0
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:goto_0
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if-ge v2, v0, :cond_0
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.line 2
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aget-byte v3, p0, v2
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aget-byte v4, p1, v2
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xor-int/2addr v3, v4
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int-to-byte v3, v3
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aput-byte v3, v1, v2
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add-int/lit8 v2, v2, 0x1
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goto :goto_0
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:cond_0
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return-object v1
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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 12
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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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iget v1, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzf:I
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sub-int v1, v0, v1
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add-int/lit8 v1, v1, -0x10
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if-ltz v1, :cond_2
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.line 2
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sget-object v2, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zza:Ljava/lang/ThreadLocal;
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.line 3
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invoke-virtual {v2}, Ljava/lang/ThreadLocal;->get()Ljava/lang/Object;
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move-result-object v2
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move-object v9, v2
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check-cast v9, Ljavax/crypto/Cipher;
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iget-object v2, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zze:Ljavax/crypto/spec/SecretKeySpec;
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const/4 v10, 0x1
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.line 4
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invoke-virtual {v9, v10, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V
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const/4 v5, 0x0
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const/4 v7, 0x0
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iget v8, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzf:I
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move-object v3, p0
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move-object v4, v9
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move-object v6, p1
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.line 5
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invoke-direct/range {v3 .. v8}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzd(Ljavax/crypto/Cipher;I[BII)[B
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move-result-object v11
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const/4 v5, 0x1
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array-length v8, p2
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move-object v6, p2
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.line 6
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invoke-direct/range {v3 .. v8}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzd(Ljavax/crypto/Cipher;I[BII)[B
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move-result-object p2
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const/4 v4, 0x2
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iget v6, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzf:I
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move-object v2, p0
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move-object v3, v9
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move-object v5, p1
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move v7, v1
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.line 7
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invoke-direct/range {v2 .. v7}, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzd(Ljavax/crypto/Cipher;I[BII)[B
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move-result-object v2
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add-int/lit8 v0, v0, -0x10
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const/4 v3, 0x0
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move v4, v3
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:goto_0
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const/16 v5, 0x10
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if-ge v3, v5, :cond_0
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add-int v5, v0, v3
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.line 8
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aget-byte v5, p1, v5
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aget-byte v6, p2, v3
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xor-int/2addr v5, v6
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aget-byte v6, v11, v3
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xor-int/2addr v5, v6
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aget-byte v6, v2, v3
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xor-int/2addr v5, v6
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or-int/2addr v4, v5
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int-to-byte v4, v4
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add-int/lit8 v3, v3, 0x1
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goto :goto_0
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:cond_0
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if-nez v4, :cond_1
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.line 9
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sget-object p2, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzb:Ljava/lang/ThreadLocal;
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.line 10
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invoke-virtual {p2}, Ljava/lang/ThreadLocal;->get()Ljava/lang/Object;
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move-result-object p2
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check-cast p2, Ljavax/crypto/Cipher;
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iget-object v0, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zze:Ljavax/crypto/spec/SecretKeySpec;
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.line 11
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new-instance v2, Ljavax/crypto/spec/IvParameterSpec;
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invoke-direct {v2, v11}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V
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invoke-virtual {p2, v10, v0, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
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iget v0, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzjy;->zzf:I
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.line 12
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invoke-virtual {p2, p1, v0, v1}, Ljavax/crypto/Cipher;->doFinal([BII)[B
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move-result-object p1
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return-object p1
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.line 13
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:cond_1
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new-instance p1, Ljavax/crypto/AEADBadTagException;
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const-string p2, "tag mismatch"
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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 14
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:cond_2
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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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.method public final zzb([B[B)[B
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.locals 0
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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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const/4 p1, 0x0
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throw p1
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.end method
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