XECPublicKeySpec
open class XECPublicKeySpec : KeySpec
| kotlin.Any | |
| ↳ | java.security.spec.XECPublicKeySpec |
A class representing elliptic curve public keys as defined in RFC 7748, including the curve and other algorithm parameters. The public key is a particular point on the curve, which is represented using only its u-coordinate. A u-coordinate is an element of the field of integers modulo some value that is determined by the algorithm parameters. This field element is represented by a BigInteger which may hold any value. That is, the BigInteger is not restricted to the range of canonical field elements.
Summary
| Public constructors | |
|---|---|
XECPublicKeySpec(params: AlgorithmParameterSpec!, u: BigInteger!)Construct a public key spec using the supplied parameters and u coordinate. |
|
| Public methods | |
|---|---|
| open AlgorithmParameterSpec! |
Get the algorithm parameters that define the curve and other settings. |
| open BigInteger! |
getU()Get the u coordinate of the point. |
Public constructors
XECPublicKeySpec
XECPublicKeySpec(
params: AlgorithmParameterSpec!,
u: BigInteger!)
Construct a public key spec using the supplied parameters and u coordinate.
| Parameters | |
|---|---|
params |
AlgorithmParameterSpec!: the algorithm parameters |
u |
BigInteger!: the u-coordinate of the point, represented using a BigInteger which may hold any value |
| Exceptions | |
|---|---|
java.lang.NullPointerException |
if params or u is null. |
Public methods
getParams
open fun getParams(): AlgorithmParameterSpec!
Get the algorithm parameters that define the curve and other settings.
| Return | |
|---|---|
AlgorithmParameterSpec! |
the parameters |
getU
open fun getU(): BigInteger!
Get the u coordinate of the point.
| Return | |
|---|---|
BigInteger! |
the u-coordinate, represented using a BigInteger which may hold any value |