CurveGFp

This class represents an elliptic curve over GF(p)

static if(BOTAN_HAS_PUBLIC_KEY_CRYPTO)

struct CurveGFp {

this(BigInt p, BigInt a, BigInt b);

const(BigInt) getA();

const(BigInt) getB();

const(BigInt) getP();

const(BigInt) getARep();

const(BigInt) getBRep();

void toRep(BigInt x, SecureVector!word* ws);

void fromRep(BigInt x, SecureVector!word* ws);

BigInt fromRep(BigInt x, SecureVector!word* ws);

void swap(CurveGFp other);

bool opEquals(CurveGFp other);

int opCmp(CurveGFp rhs);

CurveGFp dup [@property getter];

void mul(BigInt z, BigInt x, BigInt y, SecureVector!word* ws);

BigInt mul(BigInt x, BigInt y, SecureVector!word* ws);

void sqr(BigInt z, BigInt x, SecureVector!word* ws);

BigInt sqr(BigInt x, SecureVector!word* ws);

void normalize(BigInt x, SecureVector!word* ws, size_t bound);

string toString();

Vector!char toVector();

static CurveGFpRepr chooseRepr(BigInt p, BigInt a, BigInt b);

Unique!CurveGFpRepr m_repr;

}

Constructors

this this(BigInt p, BigInt a, BigInt b): Construct the elliptic curve E: y^2 = x^3 + ax + b over GF(p)

Destructor

~this ~this(): Undocumented in source.

Postblit

this(this) this(this): Undocumented in source.

Members

Functions

fromRep void fromRep(BigInt x, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
fromRep BigInt fromRep(BigInt x, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
getA const(BigInt) getA()
getARep const(BigInt) getARep()
getB const(BigInt) getB()
getBRep const(BigInt) getBRep()
getP const(BigInt) getP(): Get prime modulus of the field of the curve
mul void mul(BigInt z, BigInt x, BigInt y, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
mul BigInt mul(BigInt x, BigInt y, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
normalize void normalize(BigInt x, SecureVector!word* ws, size_t bound): Adjust x to be in [0,p) @param bound if greater than zero, assume that no more than bound additions or subtractions are required to move x into range.
opCmp int opCmp(CurveGFp rhs): Equality operator
opEquals bool opEquals(CurveGFp other): Equality operator
sqr void sqr(BigInt z, BigInt x, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
sqr BigInt sqr(BigInt x, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
swap void swap(CurveGFp other): swaps the states of this and other, does not throw
toRep void toRep(BigInt x, SecureVector!word* ws): Undocumented in source. Be warned that the author may not have intended to support it.
toString string toString(): Undocumented in source. Be warned that the author may not have intended to support it.
toVector Vector!char toVector(): Undocumented in source. Be warned that the author may not have intended to support it.

Properties

dup CurveGFp dup [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.

Static functions

chooseRepr CurveGFpRepr chooseRepr(BigInt p, BigInt a, BigInt b): Undocumented in source. Be warned that the author may not have intended to support it.

Variables

m_repr Unique!CurveGFpRepr m_repr;: Undocumented in source.

Meta

Source

See Implementation

botan math ec_gfp curve_gfp classes

structs

CurveGFp