ECCurve$Fp.smali

.class public Lorg/spongycastle/math/ec/ECCurve$Fp;
.super Lorg/spongycastle/math/ec/ECCurve$AbstractFp;
.source "ECCurve.java"


# static fields
.field private static final FP_DEFAULT_COORDS:I = 0x4


# instance fields
.field infinity:Lorg/spongycastle/math/ec/ECPoint$Fp;

.field q:Ljava/math/BigInteger;

.field r:Ljava/math/BigInteger;


# direct methods
.method public constructor <init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    .registers 10

    .prologue
    const/4 v4, 0x0

    .line 547
    move-object v0, p0

    move-object v1, p1

    move-object v2, p2

    move-object v3, p3

    move-object v5, v4

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/ECCurve$Fp;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    .line 548
    return-void
.end method

.method public constructor <init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    .registers 8

    .prologue
    const/4 v1, 0x0

    .line 552
    invoke-direct {p0, p1}, Lorg/spongycastle/math/ec/ECCurve$AbstractFp;-><init>(Ljava/math/BigInteger;)V

    .line 554
    iput-object p1, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->q:Ljava/math/BigInteger;

    .line 555
    invoke-static {p1}, Lorg/spongycastle/math/ec/ECFieldElement$Fp;->calculateResidue(Ljava/math/BigInteger;)Ljava/math/BigInteger;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->r:Ljava/math/BigInteger;

    .line 556
    new-instance v0, Lorg/spongycastle/math/ec/ECPoint$Fp;

    invoke-direct {v0, p0, v1, v1}, Lorg/spongycastle/math/ec/ECPoint$Fp;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)V

    iput-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->infinity:Lorg/spongycastle/math/ec/ECPoint$Fp;

    .line 558
    invoke-virtual {p0, p2}, Lorg/spongycastle/math/ec/ECCurve$Fp;->fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->a:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 559
    invoke-virtual {p0, p3}, Lorg/spongycastle/math/ec/ECCurve$Fp;->fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->b:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 560
    iput-object p4, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->order:Ljava/math/BigInteger;

    .line 561
    iput-object p5, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->cofactor:Ljava/math/BigInteger;

    .line 562
    const/4 v0, 0x4

    iput v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->coord:I

    .line 563
    return-void
.end method

.method protected constructor <init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)V
    .registers 12

    .prologue
    const/4 v5, 0x0

    .line 567
    move-object v0, p0

    move-object v1, p1

    move-object v2, p2

    move-object v3, p3

    move-object v4, p4

    move-object v6, v5

    invoke-direct/range {v0 .. v6}, Lorg/spongycastle/math/ec/ECCurve$Fp;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    .line 568
    return-void
.end method

.method protected constructor <init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    .registers 9

    .prologue
    const/4 v1, 0x0

    .line 572
    invoke-direct {p0, p1}, Lorg/spongycastle/math/ec/ECCurve$AbstractFp;-><init>(Ljava/math/BigInteger;)V

    .line 574
    iput-object p1, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->q:Ljava/math/BigInteger;

    .line 575
    iput-object p2, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->r:Ljava/math/BigInteger;

    .line 576
    new-instance v0, Lorg/spongycastle/math/ec/ECPoint$Fp;

    invoke-direct {v0, p0, v1, v1}, Lorg/spongycastle/math/ec/ECPoint$Fp;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)V

    iput-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->infinity:Lorg/spongycastle/math/ec/ECPoint$Fp;

    .line 578
    iput-object p3, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->a:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 579
    iput-object p4, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->b:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 580
    iput-object p5, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->order:Ljava/math/BigInteger;

    .line 581
    iput-object p6, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->cofactor:Ljava/math/BigInteger;

    .line 582
    const/4 v0, 0x4

    iput v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->coord:I

    .line 583
    return-void
.end method


# virtual methods
.method protected cloneCurve()Lorg/spongycastle/math/ec/ECCurve;
    .registers 8

    .prologue
    .line 587
    new-instance v0, Lorg/spongycastle/math/ec/ECCurve$Fp;

    iget-object v1, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->q:Ljava/math/BigInteger;

    iget-object v2, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->r:Ljava/math/BigInteger;

    iget-object v3, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->a:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v4, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->b:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v5, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->order:Ljava/math/BigInteger;

    iget-object v6, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->cofactor:Ljava/math/BigInteger;

    invoke-direct/range {v0 .. v6}, Lorg/spongycastle/math/ec/ECCurve$Fp;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    return-object v0
.end method

.method protected createRawPoint(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)Lorg/spongycastle/math/ec/ECPoint;
    .registers 5

    .prologue
    .line 621
    new-instance v0, Lorg/spongycastle/math/ec/ECPoint$Fp;

    invoke-direct {v0, p0, p1, p2, p3}, Lorg/spongycastle/math/ec/ECPoint$Fp;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    return-object v0
.end method

.method protected createRawPoint(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)Lorg/spongycastle/math/ec/ECPoint;
    .registers 11

    .prologue
    .line 626
    new-instance v0, Lorg/spongycastle/math/ec/ECPoint$Fp;

    move-object v1, p0

    move-object v2, p1

    move-object v3, p2

    move-object v4, p3

    move v5, p4

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/ECPoint$Fp;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    return-object v0
.end method

.method public fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 5

    .prologue
    .line 616
    new-instance v0, Lorg/spongycastle/math/ec/ECFieldElement$Fp;

    iget-object v1, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->q:Ljava/math/BigInteger;

    iget-object v2, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->r:Ljava/math/BigInteger;

    invoke-direct {v0, v1, v2, p1}, Lorg/spongycastle/math/ec/ECFieldElement$Fp;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    return-object v0
.end method

.method public getFieldSize()I
    .registers 2

    .prologue
    .line 611
    iget-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->q:Ljava/math/BigInteger;

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    return v0
.end method

.method public getInfinity()Lorg/spongycastle/math/ec/ECPoint;
    .registers 2

    .prologue
    .line 653
    iget-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->infinity:Lorg/spongycastle/math/ec/ECPoint$Fp;

    return-object v0
.end method

.method public getQ()Ljava/math/BigInteger;
    .registers 2

    .prologue
    .line 606
    iget-object v0, p0, Lorg/spongycastle/math/ec/ECCurve$Fp;->q:Ljava/math/BigInteger;

    return-object v0
.end method

.method public importPoint(Lorg/spongycastle/math/ec/ECPoint;)Lorg/spongycastle/math/ec/ECPoint;
    .registers 8

    .prologue
    const/4 v5, 0x0

    .line 631
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v0

    if-eq p0, v0, :cond_1f

    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECCurve$Fp;->getCoordinateSystem()I

    move-result v0

    const/4 v1, 0x2

    if-ne v0, v1, :cond_1f

    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->isInfinity()Z

    move-result v0

    if-nez v0, :cond_1f

    .line 633
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECCurve;->getCoordinateSystem()I

    move-result v0

    packed-switch v0, :pswitch_data_52

    .line 648
    :cond_1f
    invoke-super {p0, p1}, Lorg/spongycastle/math/ec/ECCurve$AbstractFp;->importPoint(Lorg/spongycastle/math/ec/ECPoint;)Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v0

    :goto_23
    return-object v0

    .line 638
    :pswitch_24
    new-instance v0, Lorg/spongycastle/math/ec/ECPoint$Fp;

    iget-object v1, p1, Lorg/spongycastle/math/ec/ECPoint;->x:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 639
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v1

    invoke-virtual {p0, v1}, Lorg/spongycastle/math/ec/ECCurve$Fp;->fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    iget-object v1, p1, Lorg/spongycastle/math/ec/ECPoint;->y:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 640
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v1

    invoke-virtual {p0, v1}, Lorg/spongycastle/math/ec/ECCurve$Fp;->fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    const/4 v1, 0x1

    new-array v4, v1, [Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v1, p1, Lorg/spongycastle/math/ec/ECPoint;->zs:[Lorg/spongycastle/math/ec/ECFieldElement;

    aget-object v1, v1, v5

    .line 641
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v1

    invoke-virtual {p0, v1}, Lorg/spongycastle/math/ec/ECCurve$Fp;->fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

    aput-object v1, v4, v5

    iget-boolean v5, p1, Lorg/spongycastle/math/ec/ECPoint;->withCompression:Z

    move-object v1, p0

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/ECPoint$Fp;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    goto :goto_23

    .line 633
    :pswitch_data_52
    .packed-switch 0x2
        :pswitch_24
        :pswitch_24
        :pswitch_24
    .end packed-switch
.end method

.method public supportsCoordinateSystem(I)Z
    .registers 3

    .prologue
    .line 592
    packed-switch p1, :pswitch_data_8

    .line 600
    :pswitch_3
    const/4 v0, 0x0

    :goto_4
    return v0

    .line 598
    :pswitch_5
    const/4 v0, 0x1

    goto :goto_4

    .line 592
    nop

    :pswitch_data_8
    .packed-switch 0x0
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_3
        :pswitch_5
    .end packed-switch
.end method