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ECPublicKeySpec
public
class
ECPublicKeySpec
extends Object
implements
KeySpec
This immutable class specifies an elliptic curve public 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
ECPublicKeySpec
public ECPublicKeySpec (ECPoint w,
ECParameterSpec params)
Creates a new ECPublicKeySpec with the specified
parameter values.
| Parameters |
|---|
w |
ECPoint: the public point. |
params |
ECParameterSpec: the associated elliptic curve domain
parameters. |
Public methods
getParams
public ECParameterSpec getParams ()
Returns the associated elliptic curve domain
parameters.
getW
public ECPoint getW ()
Returns the public point W.
| Returns |
|---|
ECPoint |
the public point W. |
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,["# ECPublicKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \nSummary: [Ctors](#pubctors) \\| [Methods](#pubmethods) \\| [Inherited Methods](#inhmethods) \n\nECPublicKeySpec\n===============\n\n\n`\npublic\n\n\nclass\nECPublicKeySpec\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.ECPublicKeySpec |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThis immutable class specifies an elliptic curve public key with\nits associated parameters. \n**See also:**\n\n- [KeySpec](/reference/java/security/spec/KeySpec)\n- [ECPoint](/reference/java/security/spec/ECPoint)\n- [ECParameterSpec](/reference/java/security/spec/ECParameterSpec)\n\nSummary\n-------\n\n| ### Public constructors ||\n|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[ECPublicKeySpec](/reference/java/security/spec/ECPublicKeySpec#ECPublicKeySpec(java.security.spec.ECPoint,%20java.security.spec.ECParameterSpec))`(`[ECPoint](/reference/java/security/spec/ECPoint)` w, `[ECParameterSpec](/reference/java/security/spec/ECParameterSpec)` params) ` Creates a new ECPublicKeySpec with the specified parameter values. |\n\n| ### Public methods ||\n|---------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|\n| ` `[ECParameterSpec](/reference/java/security/spec/ECParameterSpec) | ` `[getParams](/reference/java/security/spec/ECPublicKeySpec#getParams())`() ` Returns the associated elliptic curve domain parameters. |\n| ` `[ECPoint](/reference/java/security/spec/ECPoint) | ` `[getW](/reference/java/security/spec/ECPublicKeySpec#getW())`() ` Returns the public point W. |\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### ECPublicKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic ECPublicKeySpec (ECPoint w, \n ECParameterSpec params)\n```\n\nCreates a new ECPublicKeySpec with the specified\nparameter values.\n\n\u003cbr /\u003e\n\n| Parameters ||\n|----------|----------------------------------------------------------------------------|\n| `w` | `ECPoint`: the public point. \u003cbr /\u003e |\n| `params` | `ECParameterSpec`: the associated elliptic curve domain parameters. \u003cbr /\u003e |\n\n| Throws ||\n|---------------------------------------------------------------------------|----------------------------------------------------------|\n| [NullPointerException](/reference/java/lang/NullPointerException) | if `w` or `params` is null. |\n| [IllegalArgumentException](/reference/java/lang/IllegalArgumentException) | if `w` is point at infinity, i.e. ECPoint.POINT_INFINITY |\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### getW\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic ECPoint getW ()\n```\n\nReturns the public point W.\n\n\u003cbr /\u003e\n\n| Returns ||\n|--------------------------------------------------|----------------------------|\n| [ECPoint](/reference/java/security/spec/ECPoint) | the public point W. \u003cbr /\u003e |"]]
