org.cryptimeleon.math.structures.groups.elliptic.nopairing

Class Secp256k1

java.lang.Object

org.cryptimeleon.math.structures.groups.lazy.LazyGroup

org.cryptimeleon.math.structures.groups.elliptic.nopairing.Secp256k1

All Implemented Interfaces:

RepresentationRestorer, Representable, StandaloneRepresentable, Group, Structure

public class Secp256k1
extends LazyGroup

An implementation of the secp256k1 curve with lazy evaluation of group operations.

The curve is defined in Weierstrass short form \(y^2 = x^3 + b\) over a field \(\mathbb{F}_p\). Specific parameters are taken from here.

Constructor Summary

Constructors

Constructor and Description
Secp256k1()
Secp256k1(int exponentiationWindowSize, int precomputationWindowSize)
Secp256k1(Representation repr)
Secp256k1(Representation repr, int exponentiationWindowSize, int precomputationWindowSize)

Method Summary

Methods inherited from class org.cryptimeleon.math.structures.groups.lazy.LazyGroup

compute, compute, equals, getExponentiationWindowSize, getGenerator, getImpl, getNeutralElement, getPrecomputationWindowSize, getRepresentation, getSelectedExpAlgorithm, getSelectedMultiExpAlgorithm, getUniformlyRandomElement, getUniformlyRandomNonNeutral, getUniqueByteLength, getZn, hashCode, hasPrimeSize, isCommutative, restoreElement, setExponentiationWindowSize, setPrecomputationWindowSize, setSelectedExpAlgorithm, setSelectedMultiExpAlgorithm, size, toString, wrap

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.cryptimeleon.math.structures.groups.Group

expr, getUniformlyRandomElements, getUniformlyRandomExponent, getUniformlyRandomExponents, getUniformlyRandomNonNeutrals, getUniformlyRandomNonzeroExponent, getUniformlyRandomNonzeroExponents, getUniformlyRandomUnitExponent, getUniformlyRandomUnitExponents, restoreFromRepresentation, restoreVector

Constructor Detail

Secp256k1

public Secp256k1()

Secp256k1

public Secp256k1(int exponentiationWindowSize,
                 int precomputationWindowSize)

Secp256k1

public Secp256k1(Representation repr)

Secp256k1

public Secp256k1(Representation repr,
                 int exponentiationWindowSize,
                 int precomputationWindowSize)