ByteUtils.smali

.class public final Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;
.super Ljava/lang/Object;
.source "ByteUtils.java"


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


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

    .prologue
    .line 9
    const/16 v0, 0x10

    new-array v0, v0, [C

    fill-array-data v0, :array_a

    sput-object v0, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->HEX_CHARS:[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 private constructor <init>()V
    .registers 1

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

    .line 18
    return-void
.end method

.method public static clone([B)[B
    .registers 4

    .prologue
    const/4 v2, 0x0

    .line 164
    if-nez p0, :cond_5

    .line 166
    const/4 v0, 0x0

    .line 170
    :goto_4
    return-object v0

    .line 168
    :cond_5
    array-length v0, p0

    new-array v0, v0, [B

    .line 169
    array-length v1, p0

    invoke-static {p0, v2, v0, v2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto :goto_4
.end method

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

    .prologue
    const/4 v3, 0x0

    .line 315
    array-length v0, p0

    array-length v1, p1

    add-int/2addr v0, v1

    new-array v0, v0, [B

    .line 317
    array-length v1, p0

    invoke-static {p0, v3, v0, v3, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 318
    array-length v1, p0

    array-length v2, p1

    invoke-static {p1, v3, v0, v1, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 320
    return-object v0
.end method

.method public static concatenate([[B)[B
    .registers 7

    .prologue
    const/4 v1, 0x0

    .line 332
    aget-object v0, p0, v1

    array-length v3, v0

    .line 333
    array-length v0, p0

    mul-int/2addr v0, v3

    new-array v4, v0, [B

    move v0, v1

    move v2, v1

    .line 335
    :goto_a
    array-length v5, p0

    if-ge v0, v5, :cond_16

    .line 337
    aget-object v5, p0, v0

    invoke-static {v5, v1, v4, v2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 338
    add-int/2addr v2, v3

    .line 335
    add-int/lit8 v0, v0, 0x1

    goto :goto_a

    .line 340
    :cond_16
    return-object v4
.end method

.method public static deepHashCode([B)I
    .registers 4

    .prologue
    .line 112
    const/4 v1, 0x1

    .line 113
    const/4 v0, 0x0

    :goto_2
    array-length v2, p0

    if-ge v0, v2, :cond_d

    .line 115
    mul-int/lit8 v1, v1, 0x1f

    aget-byte v2, p0, v0

    add-int/2addr v1, v2

    .line 113
    add-int/lit8 v0, v0, 0x1

    goto :goto_2

    .line 117
    :cond_d
    return v1
.end method

.method public static deepHashCode([[B)I
    .registers 4

    .prologue
    .line 129
    const/4 v1, 0x1

    .line 130
    const/4 v0, 0x0

    :goto_2
    array-length v2, p0

    if-ge v0, v2, :cond_11

    .line 132
    mul-int/lit8 v1, v1, 0x1f

    aget-object v2, p0, v0

    invoke-static {v2}, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->deepHashCode([B)I

    move-result v2

    add-int/2addr v1, v2

    .line 130
    add-int/lit8 v0, v0, 0x1

    goto :goto_2

    .line 134
    :cond_11
    return v1
.end method

.method public static deepHashCode([[[B)I
    .registers 4

    .prologue
    .line 146
    const/4 v1, 0x1

    .line 147
    const/4 v0, 0x0

    :goto_2
    array-length v2, p0

    if-ge v0, v2, :cond_11

    .line 149
    mul-int/lit8 v1, v1, 0x1f

    aget-object v2, p0, v0

    invoke-static {v2}, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->deepHashCode([[B)I

    move-result v2

    add-int/2addr v1, v2

    .line 147
    add-int/lit8 v0, v0, 0x1

    goto :goto_2

    .line 151
    :cond_11
    return v1
.end method

.method public static equals([B[B)Z
    .registers 8

    .prologue
    const/4 v1, 0x1

    const/4 v2, 0x0

    .line 29
    if-nez p0, :cond_8

    .line 31
    if-nez p1, :cond_7

    move v2, v1

    .line 47
    :cond_7
    :goto_7
    return v2

    .line 33
    :cond_8
    if-eqz p1, :cond_7

    .line 38
    array-length v0, p0

    array-length v3, p1

    if-ne v0, v3, :cond_7

    .line 43
    array-length v0, p0

    add-int/lit8 v0, v0, -0x1

    move v4, v0

    move v3, v1

    :goto_13
    if-ltz v4, :cond_23

    .line 45
    aget-byte v0, p0, v4

    aget-byte v5, p1, v4

    if-ne v0, v5, :cond_21

    move v0, v1

    :goto_1c
    and-int/2addr v3, v0

    .line 43
    add-int/lit8 v0, v4, -0x1

    move v4, v0

    goto :goto_13

    :cond_21
    move v0, v2

    .line 45
    goto :goto_1c

    :cond_23
    move v2, v3

    .line 47
    goto :goto_7
.end method

.method public static equals([[B[[B)Z
    .registers 7

    .prologue
    .line 59
    array-length v0, p0

    array-length v1, p1

    if-eq v0, v1, :cond_6

    .line 61
    const/4 v0, 0x0

    .line 70
    :cond_5
    return v0

    .line 64
    :cond_6
    const/4 v1, 0x1

    .line 65
    array-length v0, p0

    add-int/lit8 v0, v0, -0x1

    move v4, v0

    move v0, v1

    move v1, v4

    :goto_d
    if-ltz v1, :cond_5

    .line 67
    aget-object v2, p0, v1

    aget-object v3, p1, v1

    invoke-static {v2, v3}, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->equals([B[B)Z

    move-result v2

    and-int/2addr v2, v0

    .line 65
    add-int/lit8 v0, v1, -0x1

    move v1, v0

    move v0, v2

    goto :goto_d
.end method

.method public static equals([[[B[[[B)Z
    .registers 9

    .prologue
    const/4 v0, 0x0

    .line 82
    array-length v1, p0

    array-length v2, p1

    if-eq v1, v2, :cond_6

    .line 100
    :cond_5
    :goto_5
    return v0

    .line 87
    :cond_6
    const/4 v2, 0x1

    .line 88
    array-length v1, p0

    add-int/lit8 v1, v1, -0x1

    move v3, v1

    move v1, v2

    :goto_c
    if-ltz v3, :cond_35

    .line 90
    aget-object v2, p0, v3

    array-length v2, v2

    aget-object v4, p1, v3

    array-length v4, v4

    if-ne v2, v4, :cond_5

    .line 94
    aget-object v2, p0, v3

    array-length v2, v2

    add-int/lit8 v2, v2, -0x1

    move v6, v2

    move v2, v1

    move v1, v6

    :goto_1e
    if-ltz v1, :cond_30

    .line 96
    aget-object v4, p0, v3

    aget-object v4, v4, v1

    aget-object v5, p1, v3

    aget-object v5, v5, v1

    invoke-static {v4, v5}, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->equals([B[B)Z

    move-result v4

    and-int/2addr v2, v4

    .line 94
    add-int/lit8 v1, v1, -0x1

    goto :goto_1e

    .line 88
    :cond_30
    add-int/lit8 v1, v3, -0x1

    move v3, v1

    move v1, v2

    goto :goto_c

    :cond_35
    move v0, v1

    .line 100
    goto :goto_5
.end method

.method public static fromHexString(Ljava/lang/String;)[B
    .registers 12

    .prologue
    const/16 v10, 0x46

    const/16 v9, 0x41

    const/16 v8, 0x39

    const/16 v7, 0x30

    const/4 v1, 0x0

    .line 181
    invoke-virtual {p0}, Ljava/lang/String;->toUpperCase()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/String;->toCharArray()[C

    move-result-object v3

    move v0, v1

    move v2, v1

    .line 184
    :goto_13
    array-length v4, v3

    if-ge v0, v4, :cond_2b

    .line 186
    aget-char v4, v3, v0

    if-lt v4, v7, :cond_1e

    aget-char v4, v3, v0

    if-le v4, v8, :cond_26

    :cond_1e
    aget-char v4, v3, v0

    if-lt v4, v9, :cond_28

    aget-char v4, v3, v0

    if-gt v4, v10, :cond_28

    .line 189
    :cond_26
    add-int/lit8 v2, v2, 0x1

    .line 184
    :cond_28
    add-int/lit8 v0, v0, 0x1

    goto :goto_13

    .line 193
    :cond_2b
    add-int/lit8 v0, v2, 0x1

    shr-int/lit8 v0, v0, 0x1

    new-array v4, v0, [B

    .line 195
    and-int/lit8 v0, v2, 0x1

    .line 197
    :goto_33
    array-length v2, v3

    if-ge v1, v2, :cond_78

    .line 199
    aget-char v2, v3, v1

    if-lt v2, v7, :cond_58

    aget-char v2, v3, v1

    if-gt v2, v8, :cond_58

    .line 201
    shr-int/lit8 v2, v0, 0x1

    aget-byte v5, v4, v2

    shl-int/lit8 v5, v5, 0x4

    int-to-byte v5, v5

    aput-byte v5, v4, v2

    .line 202
    shr-int/lit8 v2, v0, 0x1

    aget-byte v5, v4, v2

    aget-char v6, v3, v1

    add-int/lit8 v6, v6, -0x30

    or-int/2addr v5, v6

    int-to-byte v5, v5

    aput-byte v5, v4, v2

    .line 213
    :goto_53
    add-int/lit8 v0, v0, 0x1

    .line 197
    :cond_55
    add-int/lit8 v1, v1, 0x1

    goto :goto_33

    .line 204
    :cond_58
    aget-char v2, v3, v1

    if-lt v2, v9, :cond_55

    aget-char v2, v3, v1

    if-gt v2, v10, :cond_55

    .line 206
    shr-int/lit8 v2, v0, 0x1

    aget-byte v5, v4, v2

    shl-int/lit8 v5, v5, 0x4

    int-to-byte v5, v5

    aput-byte v5, v4, v2

    .line 207
    shr-int/lit8 v2, v0, 0x1

    aget-byte v5, v4, v2

    aget-char v6, v3, v1

    add-int/lit8 v6, v6, -0x41

    add-int/lit8 v6, v6, 0xa

    or-int/2addr v5, v6

    int-to-byte v5, v5

    aput-byte v5, v4, v2

    goto :goto_53

    .line 216
    :cond_78
    return-object v4
.end method

.method public static split([BI)[[B
    .registers 6

    .prologue
    const/4 v2, 0x1

    const/4 v3, 0x0

    .line 356
    array-length v0, p0

    if-le p1, v0, :cond_b

    .line 358
    new-instance v0, Ljava/lang/ArrayIndexOutOfBoundsException;

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

    throw v0

    .line 360
    :cond_b
    const/4 v0, 0x2

    new-array v0, v0, [[B

    .line 361
    new-array v1, p1, [B

    aput-object v1, v0, v3

    .line 362
    array-length v1, p0

    sub-int/2addr v1, p1

    new-array v1, v1, [B

    aput-object v1, v0, v2

    .line 363
    aget-object v1, v0, v3

    invoke-static {p0, v3, v1, v3, p1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 364
    aget-object v1, v0, v2

    array-length v2, p0

    sub-int/2addr v2, p1

    invoke-static {p0, p1, v1, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 365
    return-object v0
.end method

.method public static subArray([BI)[B
    .registers 3

    .prologue
    .line 394
    array-length v0, p0

    invoke-static {p0, p1, v0}, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->subArray([BII)[B

    move-result-object v0

    return-object v0
.end method

.method public static subArray([BII)[B
    .registers 6

    .prologue
    .line 379
    sub-int v0, p2, p1

    new-array v0, v0, [B

    .line 380
    const/4 v1, 0x0

    sub-int v2, p2, p1

    invoke-static {p0, p1, v0, v1, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 381
    return-object v0
.end method

.method public static toBinaryString([B)Ljava/lang/String;
    .registers 8

    .prologue
    const/4 v2, 0x0

    .line 268
    const-string v0, ""

    move v1, v2

    .line 270
    :goto_4
    array-length v3, p0

    if-ge v1, v3, :cond_43

    .line 272
    aget-byte v5, p0, v1

    move v3, v2

    .line 273
    :goto_a
    const/16 v4, 0x8

    if-ge v3, v4, :cond_28

    .line 275
    ushr-int v4, v5, v3

    and-int/lit8 v4, v4, 0x1

    .line 276
    new-instance v6, Ljava/lang/StringBuilder;

    invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v6, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0, v4}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v0

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

    move-result-object v4

    .line 273
    add-int/lit8 v0, v3, 0x1

    move v3, v0

    move-object v0, v4

    goto :goto_a

    .line 278
    :cond_28
    array-length v3, p0

    add-int/lit8 v3, v3, -0x1

    if-eq v1, v3, :cond_40

    .line 280
    new-instance v3, Ljava/lang/StringBuilder;

    invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v3, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v3, " "

    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

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

    move-result-object v0

    .line 270
    :cond_40
    add-int/lit8 v1, v1, 0x1

    goto :goto_4

    .line 283
    :cond_43
    return-object v0
.end method

.method public static toCharArray([B)[C
    .registers 4

    .prologue
    .line 406
    array-length v0, p0

    new-array v1, v0, [C

    .line 407
    const/4 v0, 0x0

    :goto_4
    array-length v2, p0

    if-ge v0, v2, :cond_f

    .line 409
    aget-byte v2, p0, v0

    int-to-char v2, v2

    aput-char v2, v1, v0

    .line 407
    add-int/lit8 v0, v0, 0x1

    goto :goto_4

    .line 411
    :cond_f
    return-object v1
.end method

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

    .prologue
    .line 227
    const-string v1, ""

    .line 228
    const/4 v0, 0x0

    :goto_3
    array-length v2, p0

    if-ge v0, v2, :cond_3d

    .line 230
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    sget-object v2, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->HEX_CHARS:[C

    aget-byte v3, p0, v0

    ushr-int/lit8 v3, v3, 0x4

    and-int/lit8 v3, v3, 0xf

    aget-char v2, v2, v3

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 231
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    sget-object v2, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->HEX_CHARS:[C

    aget-byte v3, p0, v0

    and-int/lit8 v3, v3, 0xf

    aget-char v2, v2, v3

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 228
    add-int/lit8 v0, v0, 0x1

    goto :goto_3

    .line 233
    :cond_3d
    return-object v1
.end method

.method public static toHexString([BLjava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 7

    .prologue
    .line 247
    new-instance v1, Ljava/lang/String;

    invoke-direct {v1, p1}, Ljava/lang/String;-><init>(Ljava/lang/String;)V

    .line 248
    const/4 v0, 0x0

    :goto_6
    array-length v2, p0

    if-ge v0, v2, :cond_56

    .line 250
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    sget-object v2, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->HEX_CHARS:[C

    aget-byte v3, p0, v0

    ushr-int/lit8 v3, v3, 0x4

    and-int/lit8 v3, v3, 0xf

    aget-char v2, v2, v3

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 251
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    sget-object v2, Lorg/spongycastle/pqc/math/linearalgebra/ByteUtils;->HEX_CHARS:[C

    aget-byte v3, p0, v0

    and-int/lit8 v3, v3, 0xf

    aget-char v2, v2, v3

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 252
    array-length v2, p0

    add-int/lit8 v2, v2, -0x1

    if-ge v0, v2, :cond_53

    .line 254
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1, p2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 248
    :cond_53
    add-int/lit8 v0, v0, 0x1

    goto :goto_6

    .line 257
    :cond_56
    return-object v1
.end method

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

    .prologue
    .line 296
    array-length v0, p0

    new-array v1, v0, [B

    .line 298
    array-length v0, p0

    add-int/lit8 v0, v0, -0x1

    :goto_6
    if-ltz v0, :cond_13

    .line 300
    aget-byte v2, p0, v0

    aget-byte v3, p1, v0

    xor-int/2addr v2, v3

    int-to-byte v2, v2

    aput-byte v2, v1, v0

    .line 298
    add-int/lit8 v0, v0, -0x1

    goto :goto_6

    .line 302
    :cond_13
    return-object v1
.end method