ECParameterSpec
open class ECParameterSpec : AlgorithmParameterSpec
kotlin.Any | |
↳ | java.security.spec.ECParameterSpec |
This immutable class specifies the set of domain parameters used with elliptic curve cryptography (ECC).
Summary
Public constructors | |
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ECParameterSpec(curve: EllipticCurve!, g: ECPoint!, n: BigInteger!, h: Int) Creates elliptic curve domain parameters based on the specified values. |
Public methods | |
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open Int | Returns the cofactor. |
open EllipticCurve! | getCurve() Returns the elliptic curve that this parameter defines. |
open ECPoint! | Returns the generator which is also known as the base point. |
open BigInteger! | getOrder() Returns the order of the generator. |
Public constructors
ECParameterSpec
ECParameterSpec(
curve: EllipticCurve!,
g: ECPoint!,
n: BigInteger!,
h: Int)
Creates elliptic curve domain parameters based on the specified values.
Parameters | |
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curve | EllipticCurve!: the elliptic curve which this parameter defines. |
g | ECPoint!: the generator which is also known as the base point. |
n | BigInteger!: the order of the generator g . |
h | Int: the cofactor. |
Exceptions | |
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java.lang.NullPointerException | if curve , g , or n is null. |
java.lang.IllegalArgumentException | if n or h is not positive. |
Public methods
getCofactor
open fun getCofactor(): Int
Returns the cofactor.
Return | |
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Int | the cofactor. |
getCurve
open fun getCurve(): EllipticCurve!
Returns the elliptic curve that this parameter defines.
Return | |
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EllipticCurve! | the elliptic curve that this parameter defines. |
getGenerator
open fun getGenerator(): ECPoint!
Returns the generator which is also known as the base point.
Return | |
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ECPoint! | the generator which is also known as the base point. |
getOrder
open fun getOrder(): BigInteger!
Returns the order of the generator.
Return | |
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BigInteger! | the order of the generator. |