Stay organized with collections
Save and categorize content based on your preferences.
ECPrivateKeySpec
public
class
ECPrivateKeySpec
extends Object
implements
KeySpec
This immutable class specifies an elliptic curve private key with
its associated parameters.
Summary
Inherited methods |
|---|
From class
java.lang.Object
Object
|
clone()
Creates and returns a copy of this object.
|
boolean
|
equals(Object obj)
Indicates whether some other object is "equal to" this one.
|
void
|
finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
|
final
Class<?>
|
getClass()
Returns the runtime class of this Object.
|
int
|
hashCode()
Returns a hash code value for the object.
|
final
void
|
notify()
Wakes up a single thread that is waiting on this object's
monitor.
|
final
void
|
notifyAll()
Wakes up all threads that are waiting on this object's monitor.
|
String
|
toString()
Returns a string representation of the object.
|
final
void
|
wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait()
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted.
|
|
Public constructors
ECPrivateKeySpec
public ECPrivateKeySpec (BigInteger s,
ECParameterSpec params)
Creates a new ECPrivateKeySpec with the specified
parameter values.
| Parameters |
|---|
s |
BigInteger: the private value. |
params |
ECParameterSpec: the associated elliptic curve domain
parameters. |
Public methods
getParams
public ECParameterSpec getParams ()
Returns the associated elliptic curve domain
parameters.
getS
public BigInteger getS ()
Returns the private value S.
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
[null,null,["Last updated 2025-02-10 UTC."],[],[],null,["# ECPrivateKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \nSummary: [Ctors](#pubctors) \\| [Methods](#pubmethods) \\| [Inherited Methods](#inhmethods) \n\nECPrivateKeySpec\n================\n\n\n`\npublic\n\n\nclass\nECPrivateKeySpec\n`\n\n\n`\n\nextends `[Object](/reference/java/lang/Object)`\n\n\n`\n\n`\n\n\nimplements\n\n`[KeySpec](/reference/java/security/spec/KeySpec)`\n\n\n`\n\n|---|-------------------------------------|\n| [java.lang.Object](/reference/java/lang/Object) ||\n| ↳ | java.security.spec.ECPrivateKeySpec |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThis immutable class specifies an elliptic curve private key with\nits associated parameters. \n**See also:**\n\n- [KeySpec](/reference/java/security/spec/KeySpec)\n- [ECParameterSpec](/reference/java/security/spec/ECParameterSpec)\n\nSummary\n-------\n\n| ### Public constructors ||\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[ECPrivateKeySpec](/reference/java/security/spec/ECPrivateKeySpec#ECPrivateKeySpec(java.math.BigInteger,%20java.security.spec.ECParameterSpec))`(`[BigInteger](/reference/java/math/BigInteger)` s, `[ECParameterSpec](/reference/java/security/spec/ECParameterSpec)` params) ` Creates a new ECPrivateKeySpec with the specified parameter values. |\n\n| ### Public methods ||\n|---------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------|\n| ` `[ECParameterSpec](/reference/java/security/spec/ECParameterSpec) | ` `[getParams](/reference/java/security/spec/ECPrivateKeySpec#getParams())`() ` Returns the associated elliptic curve domain parameters. |\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getS](/reference/java/security/spec/ECPrivateKeySpec#getS())`() ` Returns the private value S. |\n\n| ### Inherited methods |\n|-----------------------|---|\n| From class ` `[java.lang.Object](/reference/java/lang/Object)` ` |---------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[Object](/reference/java/lang/Object) | ` `[clone](/reference/java/lang/Object#clone())`() ` Creates and returns a copy of this object. | | ` boolean` | ` `[equals](/reference/java/lang/Object#equals(java.lang.Object))`(`[Object](/reference/java/lang/Object)` obj) ` Indicates whether some other object is \"equal to\" this one. | | ` void` | ` `[finalize](/reference/java/lang/Object#finalize())`() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. | | ` final `[Class](/reference/java/lang/Class)`\u003c?\u003e` | ` `[getClass](/reference/java/lang/Object#getClass())`() ` Returns the runtime class of this `Object`. | | ` int` | ` `[hashCode](/reference/java/lang/Object#hashCode())`() ` Returns a hash code value for the object. | | ` final void` | ` `[notify](/reference/java/lang/Object#notify())`() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` `[notifyAll](/reference/java/lang/Object#notifyAll())`() ` Wakes up all threads that are waiting on this object's monitor. | | ` `[String](/reference/java/lang/String) | ` `[toString](/reference/java/lang/Object#toString())`() ` Returns a string representation of the object. | | ` final void` | ` `[wait](/reference/java/lang/Object#wait(long,%20int))`(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](/reference/java/lang/Object#wait(long))`(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](/reference/java/lang/Object#wait())`() ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*. | ||\n\nPublic constructors\n-------------------\n\n### ECPrivateKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic ECPrivateKeySpec (BigInteger s, \n ECParameterSpec params)\n```\n\nCreates a new ECPrivateKeySpec with the specified\nparameter values.\n\n\u003cbr /\u003e\n\n| Parameters ||\n|----------|----------------------------------------------------------------------------|\n| `s` | `BigInteger`: the private value. \u003cbr /\u003e |\n| `params` | `ECParameterSpec`: the associated elliptic curve domain parameters. \u003cbr /\u003e |\n\n| Throws ||\n|-------------------------------------------------------------------|-----------------------------|\n| [NullPointerException](/reference/java/lang/NullPointerException) | if `s` or `params` is null. |\n\nPublic methods\n--------------\n\n### getParams\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic ECParameterSpec getParams ()\n```\n\nReturns the associated elliptic curve domain\nparameters.\n\n\u003cbr /\u003e\n\n| Returns ||\n|------------------------------------------------------------------|----------------------------------|\n| [ECParameterSpec](/reference/java/security/spec/ECParameterSpec) | the EC domain parameters. \u003cbr /\u003e |\n\n### getS\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic BigInteger getS ()\n```\n\nReturns the private value S.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|-----------------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the private value S. \u003cbr /\u003e |"]]
