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ECPrivateKeySpec
open class ECPrivateKeySpec : KeySpec
This immutable class specifies an elliptic curve private key with its associated parameters.
Summary
| Public constructors |
|
Creates a new ECPrivateKeySpec with the specified parameter values.
|
| Public methods |
| open ECParameterSpec! |
Returns the associated elliptic curve domain parameters.
|
| open BigInteger! |
Returns the private value S.
|
Public constructors
ECPrivateKeySpec
ECPrivateKeySpec(
s: BigInteger!,
params: ECParameterSpec!)
Creates a new ECPrivateKeySpec with the specified parameter values.
| Exceptions |
java.lang.NullPointerException |
if s or params is null. |
Public methods
getParams
open fun getParams(): ECParameterSpec!
Returns the associated elliptic curve domain parameters.
getS
open fun getS(): BigInteger!
Returns the private value S.
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# ECPrivateKeySpec\n\nAdded in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nECPrivateKeySpec\n================\n\n```\nopen class ECPrivateKeySpec : KeySpec\n```\n\n|---|------------------------------------------|\n| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) ||\n| ↳ | [java.security.spec.ECPrivateKeySpec](#) |\n\nThis immutable class specifies an elliptic curve private key with its associated parameters.\n\nSummary\n-------\n\n| Public constructors ||\n|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| [ECPrivateKeySpec](#ECPrivateKeySpec(java.math.BigInteger,%20java.security.spec.ECParameterSpec))`(`s:` `[BigInteger](../../math/BigInteger.html#)!`, `params:` `[ECParameterSpec](/reference/kotlin/java/security/spec/ECParameterSpec)!`)` Creates a new ECPrivateKeySpec with the specified parameter values. |\n\n| Public methods ||\n|-------------------------------------------------------------------------------|----------------------------------------------------------------------------------------|\n| open [ECParameterSpec](/reference/kotlin/java/security/spec/ECParameterSpec)! | [getParams](#getParams())`()` Returns the associated elliptic curve domain parameters. |\n| open [BigInteger](../../math/BigInteger.html#)! | [getS](#getS())`()` Returns the private value S. |\n\nPublic constructors\n-------------------\n\n### ECPrivateKeySpec\n\nAdded in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nECPrivateKeySpec(\n s: BigInteger!, \n params: ECParameterSpec!)\n```\n\nCreates a new ECPrivateKeySpec with the specified parameter values.\n\n| Parameters ||\n|----------|----------------------------------------------------------------------------------------------------------------------------|\n| `s` | [BigInteger](../../math/BigInteger.html#)!: the private value. |\n| `params` | [ECParameterSpec](/reference/kotlin/java/security/spec/ECParameterSpec)!: the associated elliptic curve domain parameters. |\n\n| Exceptions ||\n|----------------------------------|-----------------------------|\n| `java.lang.NullPointerException` | if `s` or `params` is null. |\n\nPublic methods\n--------------\n\n### getParams\n\nAdded in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nopen fun getParams(): ECParameterSpec!\n```\n\nReturns the associated elliptic curve domain parameters.\n\n| Return ||\n|--------------------------------------------------------------------------|---------------------------|\n| [ECParameterSpec](/reference/kotlin/java/security/spec/ECParameterSpec)! | the EC domain parameters. |\n\n### getS\n\nAdded in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nopen fun getS(): BigInteger!\n```\n\nReturns the private value S.\n\n| Return ||\n|--------------------------------------------|----------------------|\n| [BigInteger](../../math/BigInteger.html#)! | the private value S. |"]]
