.class abstract Lcom/google/android/gms/internal/ads/zzgjz; .super Ljava/lang/Object; .source "SourceFile" # instance fields .field private final zza:Lcom/google/android/gms/internal/ads/zzgjx; .field private final zzb:Lcom/google/android/gms/internal/ads/zzgjx; # direct methods .method public constructor ([B)V .locals 2 .annotation system Ldalvik/annotation/Throws; value = { Ljava/security/GeneralSecurityException; } .end annotation .line 1 invoke-direct {p0}, Ljava/lang/Object;->()V const/4 v0, 0x1 invoke-static {v0}, Lcom/google/android/gms/internal/ads/zzgks;->zza(I)Z move-result v1 if-eqz v1, :cond_0 .line 3 invoke-virtual {p0, p1, v0}, Lcom/google/android/gms/internal/ads/zzgjz;->zza([BI)Lcom/google/android/gms/internal/ads/zzgjx; move-result-object v0 iput-object v0, p0, Lcom/google/android/gms/internal/ads/zzgjz;->zza:Lcom/google/android/gms/internal/ads/zzgjx; const/4 v0, 0x0 .line 4 invoke-virtual {p0, p1, v0}, Lcom/google/android/gms/internal/ads/zzgjz;->zza([BI)Lcom/google/android/gms/internal/ads/zzgjx; move-result-object p1 iput-object p1, p0, Lcom/google/android/gms/internal/ads/zzgjz;->zzb:Lcom/google/android/gms/internal/ads/zzgjx; return-void .line 2 :cond_0 new-instance p1, Ljava/security/GeneralSecurityException; const-string v0, "Can not use ChaCha20Poly1305 in FIPS-mode." invoke-direct {p1, v0}, Ljava/security/GeneralSecurityException;->(Ljava/lang/String;)V throw p1 .end method # virtual methods .method public abstract zza([BI)Lcom/google/android/gms/internal/ads/zzgjx; .annotation system Ldalvik/annotation/Throws; value = { Ljava/security/InvalidKeyException; } .end annotation .end method .method public final zzb(Ljava/nio/ByteBuffer;[B[B)[B .locals 9 .annotation system Ldalvik/annotation/Throws; value = { Ljava/security/GeneralSecurityException; } .end annotation .line 1 invoke-virtual {p1}, Ljava/nio/Buffer;->remaining()I move-result v0 const/16 v1, 0x10 if-lt v0, v1, :cond_4 .line 3 invoke-virtual {p1}, Ljava/nio/Buffer;->position()I move-result v0 new-array v1, v1, [B .line 4 invoke-virtual {p1}, Ljava/nio/Buffer;->limit()I move-result v2 add-int/lit8 v2, v2, -0x10 invoke-virtual {p1, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; .line 5 invoke-virtual {p1, v1}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer; .line 6 invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; .line 7 invoke-virtual {p1}, Ljava/nio/Buffer;->limit()I move-result v2 add-int/lit8 v2, v2, -0x10 invoke-virtual {p1, v2}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer; const/4 v2, 0x0 if-nez p3, :cond_0 new-array p3, v2, [B :cond_0 :try_start_0 iget-object v3, p0, Lcom/google/android/gms/internal/ads/zzgjz;->zzb:Lcom/google/android/gms/internal/ads/zzgjx; .line 8 invoke-virtual {v3, p2, v2}, Lcom/google/android/gms/internal/ads/zzgjx;->zzc([BI)Ljava/nio/ByteBuffer; move-result-object v2 const/16 v3, 0x20 new-array v3, v3, [B .line 9 invoke-virtual {v2, v3}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer; array-length v2, p3 and-int/lit8 v4, v2, 0xf if-nez v4, :cond_1 move v5, v2 goto :goto_0 :cond_1 add-int/lit8 v5, v2, 0x10 sub-int/2addr v5, v4 .line 10 :goto_0 invoke-virtual {p1}, Ljava/nio/Buffer;->remaining()I move-result v4 rem-int/lit8 v6, v4, 0x10 if-nez v6, :cond_2 move v7, v4 goto :goto_1 :cond_2 add-int/lit8 v7, v4, 0x10 sub-int/2addr v7, v6 :goto_1 add-int/2addr v7, v5 add-int/lit8 v6, v7, 0x10 .line 11 invoke-static {v6}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer; move-result-object v6 sget-object v8, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder; invoke-virtual {v6, v8}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer; move-result-object v6 .line 12 invoke-virtual {v6, p3}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer; .line 13 invoke-virtual {v6, v5}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; .line 14 invoke-virtual {v6, p1}, Ljava/nio/ByteBuffer;->put(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer; .line 15 invoke-virtual {v6, v7}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; int-to-long v7, v2 .line 16 invoke-virtual {v6, v7, v8}, Ljava/nio/ByteBuffer;->putLong(J)Ljava/nio/ByteBuffer; int-to-long v4, v4 .line 17 invoke-virtual {v6, v4, v5}, Ljava/nio/ByteBuffer;->putLong(J)Ljava/nio/ByteBuffer; .line 18 invoke-virtual {v6}, Ljava/nio/ByteBuffer;->array()[B move-result-object p3 .line 19 invoke-static {v3, p3}, Lcom/google/android/gms/internal/ads/zzgkd;->zza([B[B)[B move-result-object p3 .line 20 invoke-static {p3, v1}, Ljava/security/MessageDigest;->isEqual([B[B)Z move-result p3 :try_end_0 .catch Ljava/security/GeneralSecurityException; {:try_start_0 .. :try_end_0} :catch_0 if-eqz p3, :cond_3 .line 21 invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; iget-object p3, p0, Lcom/google/android/gms/internal/ads/zzgjz;->zza:Lcom/google/android/gms/internal/ads/zzgjx; .line 22 invoke-virtual {p3, p2, p1}, Lcom/google/android/gms/internal/ads/zzgjx;->zzd([BLjava/nio/ByteBuffer;)[B move-result-object p1 return-object p1 .line 23 :cond_3 :try_start_1 new-instance p1, Ljava/security/GeneralSecurityException; const-string p2, "invalid MAC" invoke-direct {p1, p2}, Ljava/security/GeneralSecurityException;->(Ljava/lang/String;)V throw p1 :try_end_1 .catch Ljava/security/GeneralSecurityException; {:try_start_1 .. :try_end_1} :catch_0 :catch_0 move-exception p1 .line 24 new-instance p2, Ljavax/crypto/AEADBadTagException; invoke-virtual {p1}, Ljava/lang/Object;->toString()Ljava/lang/String; move-result-object p1 invoke-direct {p2, p1}, Ljavax/crypto/AEADBadTagException;->(Ljava/lang/String;)V throw p2 .line 2 :cond_4 new-instance p1, Ljava/security/GeneralSecurityException; const-string p2, "ciphertext too short" invoke-direct {p1, p2}, Ljava/security/GeneralSecurityException;->(Ljava/lang/String;)V throw p1 .end method