EnDeCodeUtils.smali

.class public final Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;
.super Ljava/lang/Object;
.source "EnDeCodeUtils.java"


# static fields
.field private static final HEXES:[C


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .prologue
    .line 31
    const/16 v0, 0x10

    new-array v0, v0, [C

    fill-array-data v0, :array_a

    sput-object v0, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->HEXES:[C

    return-void

    :array_a
    .array-data 2
        0x30s
        0x31s
        0x32s
        0x33s
        0x34s
        0x35s
        0x36s
        0x37s
        0x38s
        0x39s
        0x61s
        0x62s
        0x63s
        0x64s
        0x65s
        0x66s
    .end array-data
.end method

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

    .prologue
    .line 13
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static byteToHexString([B)Ljava/lang/String;
    .registers 7

    .prologue
    .line 33
    if-nez p0, :cond_4

    .line 34
    const/4 v0, 0x0

    .line 46
    :goto_3
    return-object v0

    .line 37
    :cond_4
    array-length v1, p0

    .line 38
    if-nez v1, :cond_a

    .line 39
    const-string v0, ""

    goto :goto_3

    .line 41
    :cond_a
    mul-int/lit8 v0, v1, 0x2

    new-array v2, v0, [C

    .line 42
    const/4 v0, 0x0

    :goto_f
    if-ge v0, v1, :cond_30

    .line 43
    mul-int/lit8 v3, v0, 0x2

    sget-object v4, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->HEXES:[C

    aget-byte v5, p0, v0

    and-int/lit16 v5, v5, 0xf0

    ushr-int/lit8 v5, v5, 0x4

    aget-char v4, v4, v5

    aput-char v4, v2, v3

    .line 44
    mul-int/lit8 v3, v0, 0x2

    add-int/lit8 v3, v3, 0x1

    sget-object v4, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->HEXES:[C

    aget-byte v5, p0, v0

    and-int/lit8 v5, v5, 0xf

    aget-char v4, v4, v5

    aput-char v4, v2, v3

    .line 42
    add-int/lit8 v0, v0, 0x1

    goto :goto_f

    .line 46
    :cond_30
    new-instance v0, Ljava/lang/String;

    invoke-direct {v0, v2}, Ljava/lang/String;-><init>([C)V

    goto :goto_3
.end method

.method public static byteToHexString([BII)Ljava/lang/String;
    .registers 8

    .prologue
    .line 50
    if-nez p0, :cond_4

    .line 51
    const/4 v0, 0x0

    .line 64
    :goto_3
    return-object v0

    .line 54
    :cond_4
    array-length v0, p0

    sub-int/2addr v0, p1

    .line 55
    if-le p2, v0, :cond_9

    move p2, v0

    .line 56
    :cond_9
    if-nez p2, :cond_e

    .line 57
    const-string v0, ""

    goto :goto_3

    .line 59
    :cond_e
    mul-int/lit8 v0, p2, 0x2

    new-array v1, v0, [C

    .line 60
    const/4 v0, 0x0

    :goto_13
    if-ge v0, p2, :cond_38

    .line 61
    mul-int/lit8 v2, v0, 0x2

    sget-object v3, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->HEXES:[C

    add-int v4, v0, p1

    aget-byte v4, p0, v4

    and-int/lit16 v4, v4, 0xf0

    ushr-int/lit8 v4, v4, 0x4

    aget-char v3, v3, v4

    aput-char v3, v1, v2

    .line 62
    mul-int/lit8 v2, v0, 0x2

    add-int/lit8 v2, v2, 0x1

    sget-object v3, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->HEXES:[C

    add-int v4, v0, p1

    aget-byte v4, p0, v4

    and-int/lit8 v4, v4, 0xf

    aget-char v3, v3, v4

    aput-char v3, v1, v2

    .line 60
    add-int/lit8 v0, v0, 0x1

    goto :goto_13

    .line 64
    :cond_38
    new-instance v0, Ljava/lang/String;

    invoke-direct {v0, v1}, Ljava/lang/String;-><init>([C)V

    goto :goto_3
.end method

.method public static bytesToInt([BI)I
    .registers 6

    .prologue
    const/4 v0, 0x0

    .line 156
    move v1, v0

    .line 157
    :goto_2
    const/4 v2, 0x4

    if-ge v0, v2, :cond_12

    .line 158
    add-int v2, p1, v0

    aget-byte v2, p0, v2

    and-int/lit16 v2, v2, 0xff

    mul-int/lit8 v3, v0, 0x8

    shl-int/2addr v2, v3

    or-int/2addr v1, v2

    .line 157
    add-int/lit8 v0, v0, 0x1

    goto :goto_2

    .line 160
    :cond_12
    return v1
.end method

.method public static copyHexStringtoBytes(Ljava/lang/String;[BII)V
    .registers 8

    .prologue
    .line 95
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    div-int/lit8 v0, v0, 0x2

    .line 96
    if-le v0, p3, :cond_32

    .line 101
    :goto_8
    const/4 v0, 0x0

    :goto_9
    if-ge v0, p3, :cond_31

    .line 102
    mul-int/lit8 v1, v0, 0x2

    .line 103
    invoke-virtual {p0, v1}, Ljava/lang/String;->charAt(I)C

    move-result v2

    invoke-static {v2}, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->hexChartoByte(C)B

    move-result v2

    .line 104
    add-int/lit8 v1, v1, 0x1

    invoke-virtual {p0, v1}, Ljava/lang/String;->charAt(I)C

    move-result v1

    invoke-static {v1}, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->hexChartoByte(C)B

    move-result v1

    .line 105
    add-int v3, p2, v0

    shl-int/lit8 v2, v2, 0x4

    int-to-byte v2, v2

    aput-byte v2, p1, v3

    .line 106
    add-int v2, p2, v0

    aget-byte v3, p1, v2

    or-int/2addr v1, v3

    int-to-byte v1, v1

    aput-byte v1, p1, v2

    .line 101
    add-int/lit8 v0, v0, 0x1

    goto :goto_9

    .line 108
    :cond_31
    return-void

    :cond_32
    move p3, v0

    goto :goto_8
.end method

.method public static copyIntToBytes(I[BI)V
    .registers 6

    .prologue
    .line 150
    const/4 v0, 0x0

    :goto_1
    const/4 v1, 0x4

    if-ge v0, v1, :cond_10

    .line 151
    add-int v1, p2, v0

    mul-int/lit8 v2, v0, 0x8

    ushr-int v2, p0, v2

    int-to-byte v2, v2

    aput-byte v2, p1, v1

    .line 150
    add-int/lit8 v0, v0, 0x1

    goto :goto_1

    .line 153
    :cond_10
    return-void
.end method

.method public static copyShortToBytes(S[BI)V
    .registers 6

    .prologue
    .line 124
    const/4 v0, 0x0

    :goto_1
    const/4 v1, 0x2

    if-ge v0, v1, :cond_10

    .line 125
    add-int v1, p2, v0

    mul-int/lit8 v2, v0, 0x8

    ushr-int v2, p0, v2

    int-to-byte v2, v2

    aput-byte v2, p1, v1

    .line 124
    add-int/lit8 v0, v0, 0x1

    goto :goto_1

    .line 127
    :cond_10
    return-void
.end method

.method public static hexChartoByte(C)B
    .registers 3

    .prologue
    .line 81
    const/4 v0, 0x0

    .line 82
    const/16 v1, 0x30

    if-lt p0, v1, :cond_d

    const/16 v1, 0x39

    if-gt p0, v1, :cond_d

    .line 83
    add-int/lit8 v0, p0, -0x30

    int-to-byte v0, v0

    .line 91
    :cond_c
    :goto_c
    return v0

    .line 84
    :cond_d
    const/16 v1, 0x61

    if-lt p0, v1, :cond_1b

    const/16 v1, 0x66

    if-gt p0, v1, :cond_1b

    .line 85
    add-int/lit8 v0, p0, -0x61

    add-int/lit8 v0, v0, 0xa

    int-to-byte v0, v0

    goto :goto_c

    .line 86
    :cond_1b
    const/16 v1, 0x41

    if-lt p0, v1, :cond_c

    const/16 v1, 0x46

    if-gt p0, v1, :cond_c

    .line 87
    add-int/lit8 v0, p0, -0x41

    add-int/lit8 v0, v0, 0xa

    int-to-byte v0, v0

    goto :goto_c
.end method

.method public static hexStringtoBytes(Ljava/lang/String;)[B
    .registers 4

    .prologue
    .line 75
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    div-int/lit8 v0, v0, 0x2

    new-array v0, v0, [B

    .line 76
    const/4 v1, 0x0

    array-length v2, v0

    invoke-static {p0, v0, v1, v2}, Lcom/cleanmaster/junkengine/junk/util/EnDeCodeUtils;->copyHexStringtoBytes(Ljava/lang/String;[BII)V

    .line 77
    return-object v0
.end method

.method public static xorEncodeBytes([BII[B)V
    .registers 10

    .prologue
    const/4 v2, 0x0

    .line 16
    add-int v1, p1, p2

    .line 17
    array-length v0, p0

    .line 18
    if-le v1, v0, :cond_1b

    .line 21
    :goto_6
    array-length v3, p3

    move v1, v2

    .line 22
    :goto_8
    if-ge p1, v0, :cond_1a

    .line 23
    if-ne v1, v3, :cond_d

    move v1, v2

    .line 26
    :cond_d
    aget-byte v4, p0, p1

    aget-byte v5, p3, v1

    xor-int/2addr v4, v5

    int-to-byte v4, v4

    aput-byte v4, p0, p1

    .line 22
    add-int/lit8 p1, p1, 0x1

    add-int/lit8 v1, v1, 0x1

    goto :goto_8

    .line 28
    :cond_1a
    return-void

    :cond_1b
    move v0, v1

    goto :goto_6
.end method