GF2mVector.smali

.class public Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;
.super Lorg/spongycastle/pqc/math/linearalgebra/Vector;
.source "GF2mVector.java"


# instance fields
.field private field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

.field private vector:[I


# direct methods
.method public constructor <init>(Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;[B)V
    .registers 11

    .prologue
    const/4 v2, 0x0

    .line 31
    invoke-direct {p0}, Lorg/spongycastle/pqc/math/linearalgebra/Vector;-><init>()V

    .line 32
    new-instance v0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-direct {v0, p1}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;-><init>(Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;)V

    iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    .line 35
    const/16 v1, 0x8

    .line 36
    const/4 v0, 0x1

    .line 37
    :goto_e
    invoke-virtual {p1}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->getDegree()I

    move-result v3

    if-le v3, v1, :cond_19

    .line 39
    add-int/lit8 v0, v0, 0x1

    .line 40
    add-int/lit8 v1, v1, 0x8

    goto :goto_e

    .line 43
    :cond_19
    array-length v3, p2

    rem-int/2addr v3, v0

    if-eqz v3, :cond_25

    .line 45
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "Byte array is not an encoded vector over the given finite field."

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

    throw v0

    .line 49
    :cond_25
    array-length v3, p2

    div-int v0, v3, v0

    iput v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    .line 50
    iget v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    new-array v0, v0, [I

    iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    move v0, v2

    move v3, v2

    .line 52
    :goto_32
    iget-object v4, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    array-length v4, v4

    if-ge v0, v4, :cond_62

    move v4, v2

    .line 54
    :goto_38
    if-ge v4, v1, :cond_4d

    .line 56
    iget-object v6, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    aget v7, v6, v0

    add-int/lit8 v5, v3, 0x1

    aget-byte v3, p2, v3

    and-int/lit16 v3, v3, 0xff

    shl-int/2addr v3, v4

    or-int/2addr v3, v7

    aput v3, v6, v0

    .line 54
    add-int/lit8 v3, v4, 0x8

    move v4, v3

    move v3, v5

    goto :goto_38

    .line 58
    :cond_4d
    iget-object v4, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    aget v4, v4, v0

    invoke-virtual {p1, v4}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->isElementOfThisField(I)Z

    move-result v4

    if-nez v4, :cond_5f

    .line 60
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "Byte array is not an encoded vector over the given finite field."

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

    throw v0

    .line 52
    :cond_5f
    add-int/lit8 v0, v0, 0x1

    goto :goto_32

    .line 64
    :cond_62
    return-void
.end method

.method public constructor <init>(Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;[I)V
    .registers 5

    .prologue
    .line 74
    invoke-direct {p0}, Lorg/spongycastle/pqc/math/linearalgebra/Vector;-><init>()V

    .line 75
    iput-object p1, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    .line 76
    array-length v0, p2

    iput v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    .line 77
    array-length v0, p2

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

    :goto_b
    if-ltz v0, :cond_20

    .line 79
    aget v1, p2, v0

    invoke-virtual {p1, v1}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->isElementOfThisField(I)Z

    move-result v1

    if-nez v1, :cond_1d

    .line 81
    new-instance v0, Ljava/lang/ArithmeticException;

    const-string v1, "Element array is not specified over the given finite field."

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

    throw v0

    .line 77
    :cond_1d
    add-int/lit8 v0, v0, -0x1

    goto :goto_b

    .line 85
    :cond_20
    invoke-static {p2}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->clone([I)[I

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    .line 86
    return-void
.end method

.method public constructor <init>(Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;)V
    .registers 4

    .prologue
    .line 94
    invoke-direct {p0}, Lorg/spongycastle/pqc/math/linearalgebra/Vector;-><init>()V

    .line 95
    new-instance v0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    iget-object v1, p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-direct {v0, v1}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;-><init>(Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;)V

    iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    .line 96
    iget v0, p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    iput v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    .line 97
    iget-object v0, p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    invoke-static {v0}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->clone([I)[I

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    .line 98
    return-void
.end method


# virtual methods
.method public add(Lorg/spongycastle/pqc/math/linearalgebra/Vector;)Lorg/spongycastle/pqc/math/linearalgebra/Vector;
    .registers 4

    .prologue
    .line 169
    new-instance v0, Ljava/lang/RuntimeException;

    const-string v1, "not implemented"

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

    throw v0
.end method

.method public equals(Ljava/lang/Object;)Z
    .registers 5

    .prologue
    const/4 v0, 0x0

    .line 205
    instance-of v1, p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;

    if-nez v1, :cond_6

    .line 216
    :cond_5
    :goto_5
    return v0

    .line 209
    :cond_6
    check-cast p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;

    .line 211
    iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    iget-object v2, p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-virtual {v1, v2}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_5

    .line 216
    iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    iget-object v1, p1, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    invoke-static {v0, v1}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->equals([I[I)Z

    move-result v0

    goto :goto_5
.end method

.method public getEncoded()[B
    .registers 9

    .prologue
    const/4 v2, 0x0

    .line 121
    const/16 v1, 0x8

    .line 122
    const/4 v0, 0x1

    .line 123
    :goto_4
    iget-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-virtual {v3}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->getDegree()I

    move-result v3

    if-le v3, v1, :cond_11

    .line 125
    add-int/lit8 v0, v0, 0x1

    .line 126
    add-int/lit8 v1, v1, 0x8

    goto :goto_4

    .line 129
    :cond_11
    iget-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    array-length v3, v3

    mul-int/2addr v0, v3

    new-array v6, v0, [B

    move v0, v2

    move v3, v2

    .line 131
    :goto_19
    iget-object v4, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    array-length v4, v4

    if-ge v0, v4, :cond_33

    move v4, v2

    .line 133
    :goto_1f
    if-ge v4, v1, :cond_30

    .line 135
    add-int/lit8 v5, v3, 0x1

    iget-object v7, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    aget v7, v7, v0

    ushr-int/2addr v7, v4

    int-to-byte v7, v7

    aput-byte v7, v6, v3

    .line 133
    add-int/lit8 v3, v4, 0x8

    move v4, v3

    move v3, v5

    goto :goto_1f

    .line 131
    :cond_30
    add-int/lit8 v0, v0, 0x1

    goto :goto_19

    .line 139
    :cond_33
    return-object v6
.end method

.method public getField()Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;
    .registers 2

    .prologue
    .line 105
    iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    return-object v0
.end method

.method public getIntArrayForm()[I
    .registers 2

    .prologue
    .line 113
    iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    invoke-static {v0}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->clone([I)[I

    move-result-object v0

    return-object v0
.end method

.method public hashCode()I
    .registers 3

    .prologue
    .line 224
    iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-virtual {v0}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->hashCode()I

    move-result v0

    .line 225
    mul-int/lit8 v0, v0, 0x1f

    iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    invoke-virtual {v1}, Ljava/lang/Object;->hashCode()I

    move-result v1

    add-int/2addr v0, v1

    .line 226
    return v0
.end method

.method public isZero()Z
    .registers 3

    .prologue
    .line 147
    iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    array-length v0, v0

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

    :goto_5
    if-ltz v0, :cond_12

    .line 149
    iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    aget v1, v1, v0

    if-eqz v1, :cond_f

    .line 151
    const/4 v0, 0x0

    .line 154
    :goto_e
    return v0

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

    goto :goto_5

    .line 154
    :cond_12
    const/4 v0, 0x1

    goto :goto_e
.end method

.method public multiply(Lorg/spongycastle/pqc/math/linearalgebra/Permutation;)Lorg/spongycastle/pqc/math/linearalgebra/Vector;
    .registers 7

    .prologue
    .line 180
    invoke-virtual {p1}, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->getVector()[I

    move-result-object v1

    .line 181
    iget v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    array-length v2, v1

    if-eq v0, v2, :cond_11

    .line 183
    new-instance v0, Ljava/lang/ArithmeticException;

    const-string v1, "permutation size and vector size mismatch"

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

    throw v0

    .line 187
    :cond_11
    iget v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->length:I

    new-array v2, v0, [I

    .line 188
    const/4 v0, 0x0

    :goto_16
    array-length v3, v1

    if-ge v0, v3, :cond_24

    .line 190
    iget-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    aget v4, v1, v0

    aget v3, v3, v4

    aput v3, v2, v0

    .line 188
    add-int/lit8 v0, v0, 0x1

    goto :goto_16

    .line 193
    :cond_24
    new-instance v0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;

    iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-direct {v0, v1, v2}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;-><init>(Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;[I)V

    return-object v0
.end method

.method public toString()Ljava/lang/String;
    .registers 7

    .prologue
    const/4 v1, 0x0

    .line 234
    new-instance v3, Ljava/lang/StringBuffer;

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

    move v0, v1

    .line 235
    :goto_7
    iget-object v2, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    array-length v2, v2

    if-ge v0, v2, :cond_37

    move v2, v1

    .line 237
    :goto_d
    iget-object v4, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->field:Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;

    invoke-virtual {v4}, Lorg/spongycastle/pqc/math/linearalgebra/GF2mField;->getDegree()I

    move-result v4

    if-ge v2, v4, :cond_2f

    .line 239
    and-int/lit8 v4, v2, 0x1f

    .line 240
    const/4 v5, 0x1

    shl-int v4, v5, v4

    .line 241
    iget-object v5, p0, Lorg/spongycastle/pqc/math/linearalgebra/GF2mVector;->vector:[I

    aget v5, v5, v0

    and-int/2addr v4, v5

    .line 242
    if-eqz v4, :cond_29

    .line 244
    const/16 v4, 0x31

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

    .line 237
    :goto_26
    add-int/lit8 v2, v2, 0x1

    goto :goto_d

    .line 248
    :cond_29
    const/16 v4, 0x30

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

    goto :goto_26

    .line 251
    :cond_2f
    const/16 v2, 0x20

    invoke-virtual {v3, v2}, Ljava/lang/StringBuffer;->append(C)Ljava/lang/StringBuffer;

    .line 235
    add-int/lit8 v0, v0, 0x1

    goto :goto_7

    .line 253
    :cond_37
    invoke-virtual {v3}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method