AES.smali

.class public Lcom/cleanmaster/commons/AES;
.super Ljava/lang/Object;
.source "AES.java"


# instance fields
.field private ivSpec:Ljavax/crypto/spec/IvParameterSpec;

.field private keySpec:Ljavax/crypto/spec/SecretKeySpec;


# direct methods
.method public constructor <init>([B)V
    .registers 5

    .prologue
    .line 16
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 18
    const/16 v0, 0x10

    :try_start_5
    new-array v1, v0, [B

    .line 20
    const/4 v0, 0x0

    :goto_8
    array-length v2, p1

    if-ge v0, v2, :cond_15

    array-length v2, v1

    if-ge v0, v2, :cond_15

    .line 21
    aget-byte v2, p1, v0

    aput-byte v2, v1, v0

    .line 20
    add-int/lit8 v0, v0, 0x1

    goto :goto_8

    .line 24
    :cond_15
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

    invoke-direct {v0, v1, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    iput-object v0, p0, Lcom/cleanmaster/commons/AES;->keySpec:Ljavax/crypto/spec/SecretKeySpec;

    .line 25
    new-instance v0, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v0, p1}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    iput-object v0, p0, Lcom/cleanmaster/commons/AES;->ivSpec:Ljavax/crypto/spec/IvParameterSpec;
    :try_end_25
    .catch Ljava/lang/Exception; {:try_start_5 .. :try_end_25} :catch_26

    .line 29
    :goto_25
    return-void

    .line 26
    :catch_26
    move-exception v0

    .line 27
    invoke-virtual {v0}, Ljava/lang/Exception;->printStackTrace()V

    goto :goto_25
.end method


# virtual methods
.method public decrypt([B)[B
    .registers 6

    .prologue
    .line 46
    :try_start_0
    const-string v0, "AES/CBC/PKCS5Padding"

    invoke-static {v0}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0

    .line 47
    const/4 v1, 0x2

    iget-object v2, p0, Lcom/cleanmaster/commons/AES;->keySpec:Ljavax/crypto/spec/SecretKeySpec;

    iget-object v3, p0, Lcom/cleanmaster/commons/AES;->ivSpec:Ljavax/crypto/spec/IvParameterSpec;

    invoke-virtual {v0, v1, v2, v3}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 48
    invoke-virtual {v0, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
    :try_end_11
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_11} :catch_13
    .catch Ljava/lang/NoSuchMethodError; {:try_start_0 .. :try_end_11} :catch_19

    move-result-object v0

    .line 54
    :goto_12
    return-object v0

    .line 49
    :catch_13
    move-exception v0

    .line 50
    invoke-virtual {v0}, Ljava/lang/Exception;->printStackTrace()V

    .line 54
    :goto_17
    const/4 v0, 0x0

    goto :goto_12

    .line 51
    :catch_19
    move-exception v0

    .line 52
    invoke-virtual {v0}, Ljava/lang/NoSuchMethodError;->printStackTrace()V

    goto :goto_17
.end method

.method public encrypt([B)[B
    .registers 6

    .prologue
    .line 33
    :try_start_0
    const-string v0, "AES/CBC/PKCS5Padding"

    invoke-static {v0}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0

    .line 34
    const/4 v1, 0x1

    iget-object v2, p0, Lcom/cleanmaster/commons/AES;->keySpec:Ljavax/crypto/spec/SecretKeySpec;

    iget-object v3, p0, Lcom/cleanmaster/commons/AES;->ivSpec:Ljavax/crypto/spec/IvParameterSpec;

    invoke-virtual {v0, v1, v2, v3}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 35
    invoke-virtual {v0, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
    :try_end_11
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_11} :catch_13
    .catch Ljava/lang/NoSuchMethodError; {:try_start_0 .. :try_end_11} :catch_19

    move-result-object v0

    .line 41
    :goto_12
    return-object v0

    .line 36
    :catch_13
    move-exception v0

    .line 37
    invoke-virtual {v0}, Ljava/lang/Exception;->printStackTrace()V

    .line 41
    :goto_17
    const/4 v0, 0x0

    goto :goto_12

    .line 38
    :catch_19
    move-exception v0

    .line 39
    invoke-virtual {v0}, Ljava/lang/NoSuchMethodError;->printStackTrace()V

    goto :goto_17
.end method