ECNamedCurveSpec.smali

.class public Lorg/spongycastle/jce/spec/ECNamedCurveSpec;
.super Ljava/security/spec/ECParameterSpec;
.source "ECNamedCurveSpec.java"


# instance fields
.field private name:Ljava/lang/String;


# direct methods
.method public constructor <init>(Ljava/lang/String;Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;)V
    .registers 6

    .prologue
    .line 74
    const/4 v0, 0x1

    invoke-direct {p0, p2, p3, p4, v0}, Ljava/security/spec/ECParameterSpec;-><init>(Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;I)V

    .line 76
    iput-object p1, p0, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->name:Ljava/lang/String;

    .line 77
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    .registers 7

    .prologue
    .line 98
    invoke-virtual {p5}, Ljava/math/BigInteger;->intValue()I

    move-result v0

    invoke-direct {p0, p2, p3, p4, v0}, Ljava/security/spec/ECParameterSpec;-><init>(Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;I)V

    .line 100
    iput-object p1, p0, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->name:Ljava/lang/String;

    .line 101
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECPoint;Ljava/math/BigInteger;)V
    .registers 8

    .prologue
    .line 63
    const/4 v0, 0x0

    invoke-static {p2, v0}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertCurve(Lorg/spongycastle/math/ec/ECCurve;[B)Ljava/security/spec/EllipticCurve;

    move-result-object v0

    invoke-static {p3}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertPoint(Lorg/spongycastle/math/ec/ECPoint;)Ljava/security/spec/ECPoint;

    move-result-object v1

    const/4 v2, 0x1

    invoke-direct {p0, v0, v1, p4, v2}, Ljava/security/spec/ECParameterSpec;-><init>(Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;I)V

    .line 65
    iput-object p1, p0, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->name:Ljava/lang/String;

    .line 66
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    .registers 9

    .prologue
    .line 86
    const/4 v0, 0x0

    invoke-static {p2, v0}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertCurve(Lorg/spongycastle/math/ec/ECCurve;[B)Ljava/security/spec/EllipticCurve;

    move-result-object v0

    invoke-static {p3}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertPoint(Lorg/spongycastle/math/ec/ECPoint;)Ljava/security/spec/ECPoint;

    move-result-object v1

    invoke-virtual {p5}, Ljava/math/BigInteger;->intValue()I

    move-result v2

    invoke-direct {p0, v0, v1, p4, v2}, Ljava/security/spec/ECParameterSpec;-><init>(Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;I)V

    .line 88
    iput-object p1, p0, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->name:Ljava/lang/String;

    .line 89
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V
    .registers 10

    .prologue
    .line 111
    invoke-static {p2, p6}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertCurve(Lorg/spongycastle/math/ec/ECCurve;[B)Ljava/security/spec/EllipticCurve;

    move-result-object v0

    invoke-static {p3}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertPoint(Lorg/spongycastle/math/ec/ECPoint;)Ljava/security/spec/ECPoint;

    move-result-object v1

    invoke-virtual {p5}, Ljava/math/BigInteger;->intValue()I

    move-result v2

    invoke-direct {p0, v0, v1, p4, v2}, Ljava/security/spec/ECParameterSpec;-><init>(Ljava/security/spec/EllipticCurve;Ljava/security/spec/ECPoint;Ljava/math/BigInteger;I)V

    .line 113
    iput-object p1, p0, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->name:Ljava/lang/String;

    .line 114
    return-void
.end method

.method private static convertCurve(Lorg/spongycastle/math/ec/ECCurve;[B)Ljava/security/spec/EllipticCurve;
    .registers 6

    .prologue
    .line 30
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECCurve;->getField()Lorg/spongycastle/math/field/FiniteField;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->convertField(Lorg/spongycastle/math/field/FiniteField;)Ljava/security/spec/ECField;

    move-result-object v0

    .line 31
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECCurve;->getA()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v1

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

    move-result-object v1

    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECCurve;->getB()Lorg/spongycastle/math/ec/ECFieldElement;

    move-result-object v2

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

    move-result-object v2

    .line 32
    new-instance v3, Ljava/security/spec/EllipticCurve;

    invoke-direct {v3, v0, v1, v2, p1}, Ljava/security/spec/EllipticCurve;-><init>(Ljava/security/spec/ECField;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V

    return-object v3
.end method

.method private static convertField(Lorg/spongycastle/math/field/FiniteField;)Ljava/security/spec/ECField;
    .registers 5

    .prologue
    .line 37
    invoke-static {p0}, Lorg/spongycastle/math/ec/ECAlgorithms;->isFpField(Lorg/spongycastle/math/field/FiniteField;)Z

    move-result v0

    if-eqz v0, :cond_10

    .line 39
    new-instance v0, Ljava/security/spec/ECFieldFp;

    invoke-interface {p0}, Lorg/spongycastle/math/field/FiniteField;->getCharacteristic()Ljava/math/BigInteger;

    move-result-object v1

    invoke-direct {v0, v1}, Ljava/security/spec/ECFieldFp;-><init>(Ljava/math/BigInteger;)V

    .line 46
    :goto_f
    return-object v0

    .line 43
    :cond_10
    check-cast p0, Lorg/spongycastle/math/field/PolynomialExtensionField;

    invoke-interface {p0}, Lorg/spongycastle/math/field/PolynomialExtensionField;->getMinimalPolynomial()Lorg/spongycastle/math/field/Polynomial;

    move-result-object v1

    .line 44
    invoke-interface {v1}, Lorg/spongycastle/math/field/Polynomial;->getExponentsPresent()[I

    move-result-object v0

    .line 45
    const/4 v2, 0x1

    array-length v3, v0

    add-int/lit8 v3, v3, -0x1

    invoke-static {v0, v2, v3}, Lorg/spongycastle/util/Arrays;->copyOfRange([III)[I

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/util/Arrays;->reverse([I)[I

    move-result-object v2

    .line 46
    new-instance v0, Ljava/security/spec/ECFieldF2m;

    invoke-interface {v1}, Lorg/spongycastle/math/field/Polynomial;->getDegree()I

    move-result v1

    invoke-direct {v0, v1, v2}, Ljava/security/spec/ECFieldF2m;-><init>(I[I)V

    goto :goto_f
.end method

.method private static convertPoint(Lorg/spongycastle/math/ec/ECPoint;)Ljava/security/spec/ECPoint;
    .registers 4

    .prologue
    .line 53
    invoke-virtual {p0}, Lorg/spongycastle/math/ec/ECPoint;->normalize()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v0

    .line 54
    new-instance v1, Ljava/security/spec/ECPoint;

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

    move-result-object v2

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

    move-result-object v2

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

    move-result-object v0

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

    move-result-object v0

    invoke-direct {v1, v2, v0}, Ljava/security/spec/ECPoint;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    return-object v1
.end method


# virtual methods
.method public getName()Ljava/lang/String;
    .registers 2

    .prologue
    .line 121
    iget-object v0, p0, Lorg/spongycastle/jce/spec/ECNamedCurveSpec;->name:Ljava/lang/String;

    return-object v0
.end method