618 lines
12 KiB
Smali
618 lines
12 KiB
Smali
.class public final Lcom/google/android/gms/internal/ads/zzdym;
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.super Ljava/lang/Object;
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.source "com.google.android.gms:play-services-ads@@19.1.0"
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# interfaces
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.implements Lcom/google/android/gms/internal/ads/zzdsb;
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# static fields
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.field private static final zzhqk: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 zzhql: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 zzhqh:Ljavax/crypto/spec/SecretKeySpec;
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.field private final zzhqm:[B
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.field private final zzhqn:[B
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.field private final zzhqo: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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.line 1
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new-instance v0, Lcom/google/android/gms/internal/ads/zzdyl;
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invoke-direct {v0}, Lcom/google/android/gms/internal/ads/zzdyl;-><init>()V
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sput-object v0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqk:Ljava/lang/ThreadLocal;
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.line 2
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new-instance v0, Lcom/google/android/gms/internal/ads/zzdyo;
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invoke-direct {v0}, Lcom/google/android/gms/internal/ads/zzdyo;-><init>()V
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sput-object v0, Lcom/google/android/gms/internal/ads/zzdym;->zzhql: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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.line 1
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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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.line 2
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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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invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
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throw p1
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.line 3
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:cond_1
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:goto_0
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iput p2, p0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqo:I
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.line 4
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array-length p2, p1
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invoke-static {p2}, Lcom/google/android/gms/internal/ads/zzdzy;->zzfj(I)V
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.line 5
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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/ads/zzdym;->zzhqh:Ljavax/crypto/spec/SecretKeySpec;
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.line 6
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sget-object p1, Lcom/google/android/gms/internal/ads/zzdym;->zzhqk:Ljava/lang/ThreadLocal;
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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 7
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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 8
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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 9
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invoke-static {p1}, Lcom/google/android/gms/internal/ads/zzdym;->zzp([B)[B
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move-result-object p1
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iput-object p1, p0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqm:[B
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.line 10
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invoke-static {p1}, Lcom/google/android/gms/internal/ads/zzdym;->zzp([B)[B
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move-result-object p1
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iput-object p1, p0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqn:[B
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return-void
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.end method
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.method private final zza(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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.line 1
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iget-object p2, p0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqm:[B
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invoke-static {v1, p2}, Lcom/google/android/gms/internal/ads/zzdym;->zzd([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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.line 7
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iget-object p4, p0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqm:[B
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invoke-static {p3, p4}, Lcom/google/android/gms/internal/ads/zzdym;->zzd([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/ads/zzdym;->zzhqn:[B
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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 9
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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 10
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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 11
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:cond_4
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array-length p5, p3
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array-length p3, p3
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aget-byte p3, p4, p3
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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 12
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:goto_3
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invoke-static {p2, p3}, Lcom/google/android/gms/internal/ads/zzdym;->zzd([B[B)[B
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move-result-object p2
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.line 13
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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 zzd([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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.line 2
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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 3
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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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.method private static zzp([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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shl-int/lit8 v3, v3, 0x1
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add-int/lit8 v4, v2, 0x1
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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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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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shl-int/lit8 v2, v2, 0x1
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.line 3
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aget-byte p0, p0, v1
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and-int/lit16 p0, p0, 0x80
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if-nez p0, :cond_1
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goto :goto_1
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:cond_1
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const/16 v1, 0x87
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:goto_1
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xor-int p0, v2, v1
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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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# virtual methods
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.method public final zzc([B[B)[B
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.locals 15
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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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move-object v6, p0
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move-object/from16 v7, p1
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.line 1
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array-length v0, v7
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iget v1, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqo:I
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const v2, 0x7fffffff
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sub-int/2addr v2, v1
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const/16 v8, 0x10
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sub-int/2addr v2, v8
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if-gt v0, v2, :cond_2
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.line 2
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array-length v0, v7
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add-int/2addr v0, v1
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add-int/2addr v0, v8
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new-array v9, v0, [B
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.line 3
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invoke-static {v1}, Lcom/google/android/gms/internal/ads/zzdzt;->zzfi(I)[B
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move-result-object v3
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.line 4
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iget v0, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqo:I
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const/4 v10, 0x0
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invoke-static {v3, v10, v9, v10, v0}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
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.line 5
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sget-object v0, Lcom/google/android/gms/internal/ads/zzdym;->zzhqk:Ljava/lang/ThreadLocal;
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invoke-virtual {v0}, Ljava/lang/ThreadLocal;->get()Ljava/lang/Object;
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move-result-object v0
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move-object v11, v0
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check-cast v11, Ljavax/crypto/Cipher;
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.line 6
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iget-object v0, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqh:Ljavax/crypto/spec/SecretKeySpec;
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const/4 v12, 0x1
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invoke-virtual {v11, v12, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V
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const/4 v2, 0x0
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const/4 v4, 0x0
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.line 7
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array-length v5, v3
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move-object v0, p0
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move-object v1, v11
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invoke-direct/range {v0 .. v5}, Lcom/google/android/gms/internal/ads/zzdym;->zza(Ljavax/crypto/Cipher;I[BII)[B
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move-result-object v13
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if-nez p2, :cond_0
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new-array v0, v10, [B
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move-object v3, v0
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goto :goto_0
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:cond_0
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move-object/from16 v3, p2
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:goto_0
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const/4 v2, 0x1
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const/4 v4, 0x0
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.line 8
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array-length v5, v3
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move-object v0, p0
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move-object v1, v11
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invoke-direct/range {v0 .. v5}, Lcom/google/android/gms/internal/ads/zzdym;->zza(Ljavax/crypto/Cipher;I[BII)[B
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move-result-object v14
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.line 9
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sget-object v0, Lcom/google/android/gms/internal/ads/zzdym;->zzhql:Ljava/lang/ThreadLocal;
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invoke-virtual {v0}, Ljava/lang/ThreadLocal;->get()Ljava/lang/Object;
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move-result-object v0
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check-cast v0, Ljavax/crypto/Cipher;
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.line 10
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iget-object v1, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqh:Ljavax/crypto/spec/SecretKeySpec;
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new-instance v2, Ljavax/crypto/spec/IvParameterSpec;
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invoke-direct {v2, v13}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V
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invoke-virtual {v0, v12, v1, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
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const/4 v2, 0x0
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.line 11
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array-length v3, v7
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iget v5, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqo:I
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move-object/from16 v1, p1
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move-object v4, v9
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invoke-virtual/range {v0 .. v5}, Ljavax/crypto/Cipher;->doFinal([BII[BI)I
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const/4 v2, 0x2
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.line 12
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iget v4, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqo:I
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array-length v5, v7
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move-object v0, p0
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move-object v1, v11
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move-object v3, v9
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invoke-direct/range {v0 .. v5}, Lcom/google/android/gms/internal/ads/zzdym;->zza(Ljavax/crypto/Cipher;I[BII)[B
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move-result-object v0
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.line 13
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array-length v1, v7
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iget v2, v6, Lcom/google/android/gms/internal/ads/zzdym;->zzhqo:I
|
|
|
|
add-int/2addr v1, v2
|
|
|
|
:goto_1
|
|
if-ge v10, v8, :cond_1
|
|
|
|
add-int v2, v1, v10
|
|
|
|
.line 14
|
|
aget-byte v3, v14, v10
|
|
|
|
aget-byte v4, v13, v10
|
|
|
|
xor-int/2addr v3, v4
|
|
|
|
aget-byte v4, v0, v10
|
|
|
|
xor-int/2addr v3, v4
|
|
|
|
int-to-byte v3, v3
|
|
|
|
aput-byte v3, v9, v2
|
|
|
|
add-int/lit8 v10, v10, 0x1
|
|
|
|
goto :goto_1
|
|
|
|
:cond_1
|
|
return-object v9
|
|
|
|
.line 15
|
|
:cond_2
|
|
new-instance v0, Ljava/security/GeneralSecurityException;
|
|
|
|
const-string v1, "plaintext too long"
|
|
|
|
invoke-direct {v0, v1}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
|
|
|
|
throw v0
|
|
.end method
|