SecT163R2Point.smali

.class public Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;
.super Lorg/spongycastle/math/ec/ECPoint$AbstractF2m;
.source "SecT163R2Point.java"


# direct methods
.method public constructor <init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)V
    .registers 5

    .prologue
    .line 16
    const/4 v0, 0x0

    invoke-direct {p0, p1, p2, p3, v0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    .line 17
    return-void
.end method

.method public constructor <init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V
    .registers 8

    .prologue
    const/4 v0, 0x1

    const/4 v1, 0x0

    .line 24
    invoke-direct {p0, p1, p2, p3}, Lorg/spongycastle/math/ec/ECPoint$AbstractF2m;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)V

    .line 26
    if-nez p2, :cond_14

    move v2, v0

    :goto_8
    if-nez p3, :cond_16

    :goto_a
    if-eq v2, v0, :cond_18

    .line 28
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "Exactly one of the field elements is null"

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

    throw v0

    :cond_14
    move v2, v1

    .line 26
    goto :goto_8

    :cond_16
    move v0, v1

    goto :goto_a

    .line 31
    :cond_18
    iput-boolean p4, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    .line 32
    return-void
.end method

.method constructor <init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V
    .registers 6

    .prologue
    .line 36
    invoke-direct {p0, p1, p2, p3, p4}, Lorg/spongycastle/math/ec/ECPoint$AbstractF2m;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;)V

    .line 38
    iput-boolean p5, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    .line 39
    return-void
.end method


# virtual methods
.method public add(Lorg/spongycastle/math/ec/ECPoint;)Lorg/spongycastle/math/ec/ECPoint;
    .registers 16

    .prologue
    const/4 v13, 0x0

    .line 83
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->isInfinity()Z

    move-result v0

    if-eqz v0, :cond_8

    .line 189
    :goto_7
    return-object p1

    .line 87
    :cond_8
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->isInfinity()Z

    move-result v0

    if-eqz v0, :cond_10

    move-object p1, p0

    .line 89
    goto :goto_7

    .line 92
    :cond_10
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v1

    .line 94
    iget-object v5, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->x:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 95
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->getRawXCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v4

    .line 97
    invoke-virtual {v5}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v0

    if-eqz v0, :cond_30

    .line 99
    invoke-virtual {v4}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v0

    if-eqz v0, :cond_2b

    .line 101
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getInfinity()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto :goto_7

    .line 104
    :cond_2b
    invoke-virtual {p1, p0}, Lorg/spongycastle/math/ec/ECPoint;->add(Lorg/spongycastle/math/ec/ECPoint;)Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto :goto_7

    .line 107
    :cond_30
    iget-object v6, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->y:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v0, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->zs:[Lorg/spongycastle/math/ec/ECFieldElement;

    aget-object v8, v0, v13

    .line 108
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->getRawYCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {p1, v13}, Lorg/spongycastle/math/ec/ECPoint;->getZCoord(I)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v9

    .line 110
    invoke-virtual {v8}, Lorg/spongycastle/math/ec/ECFieldElement;->isOne()Z

    move-result v10

    .line 112
    if-nez v10, :cond_132

    .line 114
    invoke-virtual {v4, v8}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 115
    invoke-virtual {v2, v8}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 118
    :goto_4c
    invoke-virtual {v9}, Lorg/spongycastle/math/ec/ECFieldElement;->isOne()Z

    move-result v11

    .line 120
    if-nez v11, :cond_12e

    .line 122
    invoke-virtual {v5, v9}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v7

    .line 123
    invoke-virtual {v6, v9}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    .line 126
    :goto_5a
    invoke-virtual {v5, v0}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 127
    invoke-virtual {v7, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    .line 129
    invoke-virtual {v5}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v12

    if-eqz v12, :cond_78

    .line 131
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v0

    if-eqz v0, :cond_73

    .line 133
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->twice()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto :goto_7

    .line 136
    :cond_73
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getInfinity()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto :goto_7

    .line 140
    :cond_78
    invoke-virtual {v4}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v4

    if-eqz v4, :cond_e7

    .line 143
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->normalize()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v0

    .line 144
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECPoint;->getXCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 145
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECPoint;->getYCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 148
    invoke-virtual {v0, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->divide(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v4

    .line 151
    invoke-virtual {v4}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2, v4}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->addOne()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 152
    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v5

    if-eqz v5, :cond_b9

    .line 154
    new-instance p1, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getB()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->sqrt()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    iget-boolean v3, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct {p1, v1, v2, v0, v3}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    goto/16 :goto_7

    .line 157
    :cond_b9
    invoke-virtual {v3, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    invoke-virtual {v4, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    invoke-virtual {v3, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    invoke-virtual {v3, v0}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 158
    invoke-virtual {v0, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->divide(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 159
    sget-object v0, Lorg/spongycastle/math/ec/ECConstants;->ONE:Ljava/math/BigInteger;

    invoke-virtual {v1, v0}, Lorg/spongycastle/math/ec/ECCurve;->fromBigInteger(Ljava/math/BigInteger;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    move-object v5, v0

    .line 189
    :goto_d8
    new-instance v0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    const/4 v4, 0x1

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

    aput-object v5, v4, v13

    iget-boolean v5, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    move-object p1, v0

    goto/16 :goto_7

    .line 163
    :cond_e7
    invoke-virtual {v5}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v4

    .line 165
    invoke-virtual {v0, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 166
    invoke-virtual {v0, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 168
    invoke-virtual {v2, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 169
    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v5

    if-eqz v5, :cond_10e

    .line 171
    new-instance p1, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getB()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->sqrt()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    iget-boolean v3, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct {p1, v1, v2, v0, v3}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    goto/16 :goto_7

    .line 174
    :cond_10e
    invoke-virtual {v0, v4}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 175
    if-nez v11, :cond_118

    .line 177
    invoke-virtual {v0, v9}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 180
    :cond_118
    invoke-virtual {v3, v4}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    invoke-virtual {v6, v8}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v4

    invoke-virtual {v3, v0, v4}, Lorg/spongycastle/math/ec/ECFieldElement;->squarePlusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 183
    if-nez v10, :cond_12c

    .line 185
    invoke-virtual {v0, v8}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    move-object v5, v0

    goto :goto_d8

    :cond_12c
    move-object v5, v0

    goto :goto_d8

    :cond_12e
    move-object v7, v5

    move-object v5, v6

    goto/16 :goto_5a

    :cond_132
    move-object v0, v2

    move-object v3, v4

    goto/16 :goto_4c
.end method

.method protected detach()Lorg/spongycastle/math/ec/ECPoint;
    .registers 5

    .prologue
    .line 43
    new-instance v0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    const/4 v1, 0x0

    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getAffineXCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getAffineYCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    invoke-direct {v0, v1, v2, v3}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)V

    return-object v0
.end method

.method protected getCompressionYTilde()Z
    .registers 4

    .prologue
    const/4 v0, 0x0

    .line 69
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getRawXCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

    .line 70
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v2

    if-eqz v2, :cond_c

    .line 78
    :cond_b
    :goto_b
    return v0

    .line 75
    :cond_c
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getRawYCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 78
    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->testBitZero()Z

    move-result v2

    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->testBitZero()Z

    move-result v1

    if-eq v2, v1, :cond_b

    const/4 v0, 0x1

    goto :goto_b
.end method

.method public getYCoord()Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 4

    .prologue
    .line 48
    iget-object v1, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->x:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v0, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->y:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 50
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->isInfinity()Z

    move-result v2

    if-nez v2, :cond_10

    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v2

    if-eqz v2, :cond_11

    .line 64
    :cond_10
    :goto_10
    return-object v0

    .line 56
    :cond_11
    invoke-virtual {v0, v1}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0, v1}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 58
    iget-object v1, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->zs:[Lorg/spongycastle/math/ec/ECFieldElement;

    const/4 v2, 0x0

    aget-object v1, v1, v2

    .line 59
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECFieldElement;->isOne()Z

    move-result v2

    if-nez v2, :cond_10

    .line 61
    invoke-virtual {v0, v1}, Lorg/spongycastle/math/ec/ECFieldElement;->divide(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    goto :goto_10
.end method

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

    .prologue
    const/4 v6, 0x0

    .line 294
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->isInfinity()Z

    move-result v0

    if-eqz v0, :cond_8

    .line 307
    :cond_7
    :goto_7
    return-object p0

    .line 299
    :cond_8
    iget-object v2, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->x:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 300
    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v0

    if-nez v0, :cond_7

    .line 306
    iget-object v3, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->y:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v0, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->zs:[Lorg/spongycastle/math/ec/ECFieldElement;

    aget-object v5, v0, v6

    .line 307
    new-instance v0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    iget-object v1, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->curve:Lorg/spongycastle/math/ec/ECCurve;

    invoke-virtual {v3, v5}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    const/4 v4, 0x1

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

    aput-object v5, v4, v6

    iget-boolean v5, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    move-object p0, v0

    goto :goto_7
.end method

.method public twice()Lorg/spongycastle/math/ec/ECPoint;
    .registers 11

    .prologue
    const/4 v9, 0x0

    .line 194
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->isInfinity()Z

    move-result v0

    if-eqz v0, :cond_8

    .line 225
    :goto_7
    return-object p0

    .line 199
    :cond_8
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v1

    .line 201
    iget-object v4, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->x:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 202
    invoke-virtual {v4}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v0

    if-eqz v0, :cond_19

    .line 205
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getInfinity()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p0

    goto :goto_7

    .line 208
    :cond_19
    iget-object v2, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->y:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v0, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->zs:[Lorg/spongycastle/math/ec/ECFieldElement;

    aget-object v3, v0, v9

    .line 210
    invoke-virtual {v3}, Lorg/spongycastle/math/ec/ECFieldElement;->isOne()Z

    move-result v8

    .line 211
    if-eqz v8, :cond_4c

    move-object v7, v2

    .line 212
    :goto_26
    if-eqz v8, :cond_52

    move-object v0, v3

    .line 213
    :goto_29
    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2, v0}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v6

    .line 214
    invoke-virtual {v6}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v2

    if-eqz v2, :cond_57

    .line 216
    new-instance v0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getB()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->sqrt()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    iget-boolean v3, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct {v0, v1, v6, v2, v3}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    move-object p0, v0

    goto :goto_7

    .line 211
    :cond_4c
    invoke-virtual {v2, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    move-object v7, v0

    goto :goto_26

    .line 212
    :cond_52
    invoke-virtual {v3}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    goto :goto_29

    .line 219
    :cond_57
    invoke-virtual {v6}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 220
    if-eqz v8, :cond_7b

    move-object v5, v6

    .line 222
    :goto_5e
    if-eqz v8, :cond_81

    move-object v0, v4

    .line 223
    :goto_61
    invoke-virtual {v0, v6, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->squarePlusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0, v5}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 225
    new-instance v0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    const/4 v4, 0x1

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

    aput-object v5, v4, v9

    iget-boolean v5, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    move-object p0, v0

    goto :goto_7

    .line 220
    :cond_7b
    invoke-virtual {v6, v0}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    move-object v5, v0

    goto :goto_5e

    .line 222
    :cond_81
    invoke-virtual {v4, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    goto :goto_61
.end method

.method public twicePlus(Lorg/spongycastle/math/ec/ECPoint;)Lorg/spongycastle/math/ec/ECPoint;
    .registers 11

    .prologue
    const/4 v8, 0x0

    .line 230
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->isInfinity()Z

    move-result v0

    if-eqz v0, :cond_8

    .line 289
    :cond_7
    :goto_7
    return-object p1

    .line 234
    :cond_8
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->isInfinity()Z

    move-result v0

    if-eqz v0, :cond_13

    .line 236
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->twice()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto :goto_7

    .line 239
    :cond_13
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v1

    .line 241
    iget-object v0, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->x:Lorg/spongycastle/math/ec/ECFieldElement;

    .line 242
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v2

    if-nez v2, :cond_7

    .line 248
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->getRawXCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {p1, v8}, Lorg/spongycastle/math/ec/ECPoint;->getZCoord(I)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 249
    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v4

    if-nez v4, :cond_33

    invoke-virtual {v3}, Lorg/spongycastle/math/ec/ECFieldElement;->isOne()Z

    move-result v3

    if-nez v3, :cond_3c

    .line 251
    :cond_33
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->twice()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v0

    invoke-virtual {v0, p1}, Lorg/spongycastle/math/ec/ECPoint;->add(Lorg/spongycastle/math/ec/ECPoint;)Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto :goto_7

    .line 254
    :cond_3c
    iget-object v3, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->y:Lorg/spongycastle/math/ec/ECFieldElement;

    iget-object v4, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->zs:[Lorg/spongycastle/math/ec/ECFieldElement;

    aget-object v4, v4, v8

    .line 255
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->getRawYCoord()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    .line 257
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 258
    invoke-virtual {v3}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v6

    .line 259
    invoke-virtual {v4}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v7

    .line 260
    invoke-virtual {v3, v4}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 263
    invoke-virtual {v7, v6}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v4

    invoke-virtual {v4, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 264
    invoke-virtual {v5}, Lorg/spongycastle/math/ec/ECFieldElement;->addOne()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v4

    .line 266
    invoke-virtual {v5, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    invoke-virtual {v5, v6}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    invoke-virtual {v5, v3, v0, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->multiplyPlusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    .line 267
    invoke-virtual {v2, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 268
    invoke-virtual {v2, v3}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    invoke-virtual {v5}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v5

    .line 270
    invoke-virtual {v5}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v6

    if-eqz v6, :cond_92

    .line 272
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v0

    if-eqz v0, :cond_8c

    .line 274
    invoke-virtual {p1}, Lorg/spongycastle/math/ec/ECPoint;->twice()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto/16 :goto_7

    .line 277
    :cond_8c
    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getInfinity()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object p1

    goto/16 :goto_7

    .line 280
    :cond_92
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->isZero()Z

    move-result v6

    if-eqz v6, :cond_a9

    .line 282
    new-instance p1, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    invoke-virtual {v1}, Lorg/spongycastle/math/ec/ECCurve;->getB()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    invoke-virtual {v2}, Lorg/spongycastle/math/ec/ECFieldElement;->sqrt()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    iget-boolean v3, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct {p1, v1, v0, v2, v3}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    goto/16 :goto_7

    .line 285
    :cond_a9
    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v6

    invoke-virtual {v6, v2}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

    .line 286
    invoke-virtual {v0, v5}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v6

    invoke-virtual {v6, v7}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v6

    .line 287
    invoke-virtual {v0, v5}, Lorg/spongycastle/math/ec/ECFieldElement;->add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {v0, v3, v4, v6}, Lorg/spongycastle/math/ec/ECFieldElement;->multiplyPlusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v3

    .line 289
    new-instance v0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;

    const/4 v4, 0x1

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

    aput-object v6, v4, v8

    iget-boolean v5, p0, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;->withCompression:Z

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/math/ec/custom/sec/SecT163R2Point;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;[Lorg/spongycastle/math/ec/ECFieldElement;Z)V

    move-object p1, v0

    goto/16 :goto_7
.end method