ECFieldElement.smali

.class public abstract Lorg/spongycastle/math/ec/ECFieldElement;
.super Ljava/lang/Object;
.source "ECFieldElement.java"

# interfaces
.implements Lorg/spongycastle/math/ec/ECConstants;


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

    .prologue
    .line 11
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method


# virtual methods
.method public abstract add(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public abstract addOne()Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public bitLength()I
    .registers 2

    .prologue
    .line 29
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v0

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

    move-result v0

    return v0
.end method

.method public abstract divide(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public getEncoded()[B
    .registers 3

    .prologue
    .line 84
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->getFieldSize()I

    move-result v0

    add-int/lit8 v0, v0, 0x7

    div-int/lit8 v0, v0, 0x8

    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v1

    invoke-static {v0, v1}, Lorg/spongycastle/util/BigIntegers;->asUnsignedByteArray(ILjava/math/BigInteger;)[B

    move-result-object v0

    return-object v0
.end method

.method public abstract getFieldName()Ljava/lang/String;
.end method

.method public abstract getFieldSize()I
.end method

.method public abstract invert()Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public isOne()Z
    .registers 3

    .prologue
    const/4 v0, 0x1

    .line 34
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->bitLength()I

    move-result v1

    if-ne v1, v0, :cond_8

    :goto_7
    return v0

    :cond_8
    const/4 v0, 0x0

    goto :goto_7
.end method

.method public isZero()Z
    .registers 2

    .prologue
    .line 39
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v0

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

    move-result v0

    if-nez v0, :cond_c

    const/4 v0, 0x1

    :goto_b
    return v0

    :cond_c
    const/4 v0, 0x0

    goto :goto_b
.end method

.method public abstract multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public multiplyMinusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 6

    .prologue
    .line 44
    invoke-virtual {p0, p1}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {p2, p3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

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

    move-result-object v0

    return-object v0
.end method

.method public multiplyPlusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 6

    .prologue
    .line 49
    invoke-virtual {p0, p1}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {p2, p3}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

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

    move-result-object v0

    return-object v0
.end method

.method public abstract negate()Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public abstract sqrt()Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public abstract square()Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public squareMinusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 5

    .prologue
    .line 54
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {p1, p2}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

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

    move-result-object v0

    return-object v0
.end method

.method public squarePlusProduct(Lorg/spongycastle/math/ec/ECFieldElement;Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 5

    .prologue
    .line 59
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v0

    invoke-virtual {p1, p2}, Lorg/spongycastle/math/ec/ECFieldElement;->multiply(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

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

    move-result-object v0

    return-object v0
.end method

.method public squarePow(I)Lorg/spongycastle/math/ec/ECFieldElement;
    .registers 3

    .prologue
    .line 64
    .line 65
    const/4 v0, 0x0

    :goto_1
    if-ge v0, p1, :cond_a

    .line 67
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->square()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object p0

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

    goto :goto_1

    .line 69
    :cond_a
    return-object p0
.end method

.method public abstract subtract(Lorg/spongycastle/math/ec/ECFieldElement;)Lorg/spongycastle/math/ec/ECFieldElement;
.end method

.method public testBitZero()Z
    .registers 3

    .prologue
    .line 74
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v0

    const/4 v1, 0x0

    invoke-virtual {v0, v1}, Ljava/math/BigInteger;->testBit(I)Z

    move-result v0

    return v0
.end method

.method public abstract toBigInteger()Ljava/math/BigInteger;
.end method

.method public toString()Ljava/lang/String;
    .registers 3

    .prologue
    .line 79
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECFieldElement;->toBigInteger()Ljava/math/BigInteger;

    move-result-object v0

    const/16 v1, 0x10

    invoke-virtual {v0, v1}, Ljava/math/BigInteger;->toString(I)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method