TPAES.smali

.class public Lcom/tradplus/ads/base/common/TPAES;
.super Ljava/lang/Object;


# static fields
.field public static final IV:[B

.field private static a:[C


# direct methods
.method static constructor <clinit>()V
    .registers 2

    const/16 v0, 0x10

    new-array v1, v0, [B

    fill-array-data v1, :array_12

    sput-object v1, Lcom/tradplus/ads/base/common/TPAES;->IV:[B

    new-array v0, v0, [C

    fill-array-data v0, :array_1e

    sput-object v0, Lcom/tradplus/ads/base/common/TPAES;->a:[C

    return-void

    nop

    :array_12
    .array-data 1
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
        0x0t
    .end array-data

    :array_1e
    .array-data 2
        0x30s
        0x31s
        0x32s
        0x33s
        0x34s
        0x35s
        0x36s
        0x37s
        0x38s
        0x39s
        0x41s
        0x42s
        0x43s
        0x44s
        0x45s
        0x46s
    .end array-data
.end method

.method public constructor <init>()V
    .registers 1

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

    return-void
.end method

.method public static decrypt([B[B[B)[B
    .registers 6

    :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

    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

    invoke-direct {v1, p1, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const/4 p1, 0x2

    new-instance v2, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v2, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    invoke-virtual {v0, p1, v1, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0
    :try_end_1a
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_1a} :catch_1b

    return-object p0

    :catch_1b
    move-exception p0

    new-instance p1, Ljava/lang/RuntimeException;

    invoke-direct {p1, p0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/Throwable;)V

    throw p1
.end method

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

    :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

    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

    invoke-direct {v1, p1, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const/4 p1, 0x1

    new-instance v2, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v2, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    invoke-virtual {v0, p1, v1, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0

    new-instance p1, Ljava/io/ByteArrayOutputStream;

    array-length p2, p0

    invoke-direct {p1, p2}, Ljava/io/ByteArrayOutputStream;-><init>(I)V

    invoke-virtual {p1, p0}, Ljava/io/ByteArrayOutputStream;->write([B)V

    invoke-virtual {p1}, Ljava/io/ByteArrayOutputStream;->toByteArray()[B

    move-result-object p0
    :try_end_27
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_27} :catch_28

    return-object p0

    :catch_28
    move-exception p0

    new-instance p1, Ljava/lang/RuntimeException;

    invoke-direct {p1, p0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/Throwable;)V

    throw p1
.end method

.method public static getLowerMd5(Ljava/lang/String;)Ljava/lang/String;
    .registers 2

    :try_start_0
    const-string v0, "MD5"

    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object p0

    invoke-virtual {v0, p0}, Ljava/security/MessageDigest;->update([B)V

    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0

    invoke-static {p0}, Lcom/tradplus/ads/base/common/TPAES;->toHexString([B)Ljava/lang/String;

    move-result-object p0

    invoke-virtual {p0}, Ljava/lang/String;->toLowerCase()Ljava/lang/String;

    move-result-object p0
    :try_end_19
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_19} :catch_1a

    return-object p0

    :catch_1a
    const-string p0, ""

    return-object p0
.end method

.method public static toHexString([B)Ljava/lang/String;
    .registers 5

    new-instance v0, Ljava/lang/StringBuilder;

    array-length v1, p0

    mul-int/lit8 v1, v1, 0x2

    invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(I)V

    const/4 v1, 0x0

    :goto_9
    array-length v2, p0

    if-ge v1, v2, :cond_27

    sget-object v2, Lcom/tradplus/ads/base/common/TPAES;->a:[C

    aget-byte v3, p0, v1

    and-int/lit16 v3, v3, 0xf0

    ushr-int/lit8 v3, v3, 0x4

    aget-char v2, v2, v3

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    sget-object v2, Lcom/tradplus/ads/base/common/TPAES;->a:[C

    aget-byte v3, p0, v1

    and-int/lit8 v3, v3, 0xf

    aget-char v2, v2, v3

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    add-int/lit8 v1, v1, 0x1

    goto :goto_9

    :cond_27
    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method