GMSSUtil.smali

.class public Lorg/spongycastle/pqc/crypto/gmss/util/GMSSUtil;
.super Ljava/lang/Object;
.source "GMSSUtil.java"


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

    .prologue
    .line 6
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method


# virtual methods
.method public bytesToIntLittleEndian([B)I
    .registers 4

    .prologue
    .line 35
    const/4 v0, 0x0

    aget-byte v0, p1, v0

    and-int/lit16 v0, v0, 0xff

    const/4 v1, 0x1

    aget-byte v1, p1, v1

    and-int/lit16 v1, v1, 0xff

    shl-int/lit8 v1, v1, 0x8

    or-int/2addr v0, v1

    const/4 v1, 0x2

    aget-byte v1, p1, v1

    and-int/lit16 v1, v1, 0xff

    shl-int/lit8 v1, v1, 0x10

    or-int/2addr v0, v1

    const/4 v1, 0x3

    aget-byte v1, p1, v1

    and-int/lit16 v1, v1, 0xff

    shl-int/lit8 v1, v1, 0x18

    or-int/2addr v0, v1

    return v0
.end method

.method public bytesToIntLittleEndian([BI)I
    .registers 6

    .prologue
    .line 49
    add-int/lit8 v0, p2, 0x1

    aget-byte v1, p1, p2

    and-int/lit16 v1, v1, 0xff

    add-int/lit8 v2, v0, 0x1

    aget-byte v0, p1, v0

    and-int/lit16 v0, v0, 0xff

    shl-int/lit8 v0, v0, 0x8

    or-int/2addr v0, v1

    add-int/lit8 v1, v2, 0x1

    aget-byte v2, p1, v2

    and-int/lit16 v2, v2, 0xff

    shl-int/lit8 v2, v2, 0x10

    or-int/2addr v0, v2

    aget-byte v1, p1, v1

    and-int/lit16 v1, v1, 0xff

    shl-int/lit8 v1, v1, 0x18

    or-int/2addr v0, v1

    return v0
.end method

.method public concatenateArray([[B)[B
    .registers 8

    .prologue
    const/4 v1, 0x0

    .line 63
    array-length v0, p1

    aget-object v2, p1, v1

    array-length v2, v2

    mul-int/2addr v0, v2

    new-array v3, v0, [B

    move v0, v1

    move v2, v1

    .line 65
    :goto_a
    array-length v4, p1

    if-ge v0, v4, :cond_1c

    .line 67
    aget-object v4, p1, v0

    aget-object v5, p1, v0

    array-length v5, v5

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

    .line 68
    aget-object v4, p1, v0

    array-length v4, v4

    add-int/2addr v2, v4

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

    goto :goto_a

    .line 70
    :cond_1c
    return-object v3
.end method

.method public getLog(I)I
    .registers 4

    .prologue
    .line 142
    const/4 v1, 0x1

    .line 143
    const/4 v0, 0x2

    .line 144
    :goto_2
    if-ge v0, p1, :cond_9

    .line 146
    shl-int/lit8 v0, v0, 0x1

    .line 147
    add-int/lit8 v1, v1, 0x1

    goto :goto_2

    .line 149
    :cond_9
    return v1
.end method

.method public intToBytesLittleEndian(I)[B
    .registers 5

    .prologue
    .line 16
    const/4 v0, 0x4

    new-array v0, v0, [B

    .line 18
    const/4 v1, 0x0

    int-to-byte v2, p1

    aput-byte v2, v0, v1

    .line 19
    const/4 v1, 0x1

    shr-int/lit8 v2, p1, 0x8

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 20
    const/4 v1, 0x2

    shr-int/lit8 v2, p1, 0x10

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 21
    const/4 v1, 0x3

    shr-int/lit8 v2, p1, 0x18

    aput-byte v2, v0, v1

    .line 22
    return-object v0
.end method

.method public printArray(Ljava/lang/String;[B)V
    .registers 8

    .prologue
    const/4 v0, 0x0

    .line 101
    sget-object v1, Ljava/lang/System;->out:Ljava/io/PrintStream;

    invoke-virtual {v1, p1}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    move v1, v0

    .line 103
    :goto_7
    array-length v2, p2

    if-ge v0, v2, :cond_2d

    .line 105
    sget-object v2, Ljava/lang/System;->out:Ljava/io/PrintStream;

    new-instance v3, Ljava/lang/StringBuilder;

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

    invoke-virtual {v3, v1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v3

    const-string v4, "; "

    invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v3

    aget-byte v4, p2, v0

    invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v3

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

    move-result-object v3

    invoke-virtual {v2, v3}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 106
    add-int/lit8 v1, v1, 0x1

    .line 103
    add-int/lit8 v0, v0, 0x1

    goto :goto_7

    .line 108
    :cond_2d
    return-void
.end method

.method public printArray(Ljava/lang/String;[[B)V
    .registers 10

    .prologue
    const/4 v1, 0x0

    .line 81
    sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;

    invoke-virtual {v0, p1}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    move v0, v1

    move v2, v1

    .line 83
    :goto_8
    array-length v3, p2

    if-ge v0, v3, :cond_3b

    move v3, v1

    .line 85
    :goto_c
    aget-object v4, p2, v1

    array-length v4, v4

    if-ge v3, v4, :cond_38

    .line 87
    sget-object v4, Ljava/lang/System;->out:Ljava/io/PrintStream;

    new-instance v5, Ljava/lang/StringBuilder;

    invoke-direct {v5}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v5, v2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v5

    const-string v6, "; "

    invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v5

    aget-object v6, p2, v0

    aget-byte v6, v6, v3

    invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v5

    invoke-virtual {v5}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v5

    invoke-virtual {v4, v5}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 88
    add-int/lit8 v4, v2, 0x1

    .line 85
    add-int/lit8 v2, v3, 0x1

    move v3, v2

    move v2, v4

    goto :goto_c

    .line 83
    :cond_38
    add-int/lit8 v0, v0, 0x1

    goto :goto_8

    .line 91
    :cond_3b
    return-void
.end method

.method public testPowerOfTwo(I)Z
    .registers 4

    .prologue
    const/4 v0, 0x1

    .line 119
    move v1, v0

    .line 120
    :goto_2
    if-ge v1, p1, :cond_7

    .line 122
    shl-int/lit8 v1, v1, 0x1

    goto :goto_2

    .line 124
    :cond_7
    if-ne p1, v1, :cond_a

    .line 129
    :goto_9
    return v0

    :cond_a
    const/4 v0, 0x0

    goto :goto_9
.end method