.class public Lcom/zk/drivermonitor/utils/Rijndael;
.super Ljava/lang/Object;
.source "Rijndael.java"


# direct methods
.method public constructor <init>()V
    .locals 0

    .line 18
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static a(Ljava/lang/String;)[B
    .locals 6

    .line 21
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    const/4 v1, 0x1

    if-ge v0, v1, :cond_0

    const/4 p0, 0x0

    return-object p0

    .line 23
    :cond_0
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    div-int/lit8 v0, v0, 0x2

    new-array v0, v0, [B

    const/4 v1, 0x0

    .line 24
    :goto_0
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v2

    div-int/lit8 v2, v2, 0x2

    if-lt v1, v2, :cond_1

    return-object v0

    :cond_1
    mul-int/lit8 v2, v1, 0x2

    add-int/lit8 v3, v2, 0x1

    .line 25
    invoke-virtual {p0, v2, v3}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v4

    const/16 v5, 0x10

    invoke-static {v4, v5}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;I)I

    move-result v4

    add-int/lit8 v2, v2, 0x2

    .line 26
    invoke-virtual {p0, v3, v2}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v2

    invoke-static {v2, v5}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;I)I

    move-result v2

    mul-int/lit8 v4, v4, 0x10

    add-int/2addr v4, v2

    int-to-byte v2, v4

    .line 28
    aput-byte v2, v0, v1

    add-int/lit8 v1, v1, 0x1

    goto :goto_0
.end method

.method public static a([BLjava/lang/String;)[B
    .locals 2

    .line 35
    :try_start_0
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B

    move-result-object p1

    const-string v1, "AES"

    invoke-direct {v0, p1, v1}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const-string p1, "AES"

    .line 36
    invoke-static {p1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object p1

    const/4 v1, 0x2

    .line 37
    invoke-virtual {p1, v1, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 38
    invoke-virtual {p1, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0
    :try_end_0
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_0} :catch_4
    .catch Ljavax/crypto/NoSuchPaddingException; {:try_start_0 .. :try_end_0} :catch_3
    .catch Ljava/security/InvalidKeyException; {:try_start_0 .. :try_end_0} :catch_2
    .catch Ljavax/crypto/IllegalBlockSizeException; {:try_start_0 .. :try_end_0} :catch_1
    .catch Ljavax/crypto/BadPaddingException; {:try_start_0 .. :try_end_0} :catch_0

    return-object p0

    :catch_0
    move-exception p0

    .line 49
    invoke-virtual {p0}, Ljavax/crypto/BadPaddingException;->printStackTrace()V

    goto :goto_0

    :catch_1
    move-exception p0

    .line 47
    invoke-virtual {p0}, Ljavax/crypto/IllegalBlockSizeException;->printStackTrace()V

    goto :goto_0

    :catch_2
    move-exception p0

    .line 45
    invoke-virtual {p0}, Ljava/security/InvalidKeyException;->printStackTrace()V

    goto :goto_0

    :catch_3
    move-exception p0

    .line 43
    invoke-virtual {p0}, Ljavax/crypto/NoSuchPaddingException;->printStackTrace()V

    goto :goto_0

    :catch_4
    move-exception p0

    .line 41
    invoke-virtual {p0}, Ljava/security/NoSuchAlgorithmException;->printStackTrace()V

    :goto_0
    const/4 p0, 0x0

    return-object p0
.end method