ECPublicKeySpec
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This immutable class specifies an elliptic curve public key with
its associated parameters.
Public Constructor Summary
Inherited Method Summary
From class
java.lang.Object
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Object
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clone()
Creates and returns a copy of this Object.
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boolean
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equals( Object obj)
Compares this instance with the specified object and indicates if they
are equal.
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void
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finalize()
Invoked when the garbage collector has detected that this instance is no longer reachable.
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final
Class<?>
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getClass()
Returns the unique instance of Class that represents this
object's class.
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int
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hashCode()
Returns an integer hash code for this object.
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final
void
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notify()
Causes a thread which is waiting on this object's monitor (by means of
calling one of the wait() methods) to be woken up.
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final
void
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notifyAll()
Causes all threads which are waiting on this object's monitor (by means
of calling one of the wait() methods) to be woken up.
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String
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toString()
Returns a string containing a concise, human-readable description of this
object.
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final
void
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wait(long timeout, int nanos)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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final
void
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wait(long timeout)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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final
void
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wait()
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.
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Public Constructors
Creates a new ECPublicKeySpec with the specified
parameter values.
Parameters
| w |
the public point. |
| params |
the associated elliptic curve domain
parameters. |
Public Methods
Returns the associated elliptic curve domain
parameters.
Returns
- the EC domain parameters.
public
ECPoint
getW
()
Returns the public point W.
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Last updated 2024-07-10 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 2024-07-10 UTC."],[[["\u003cp\u003e\u003ccode\u003eECPublicKeySpec\u003c/code\u003e is an immutable class that defines an elliptic curve public key along with its parameters.\u003c/p\u003e\n"],["\u003cp\u003eIt includes the public point W and the associated elliptic curve domain parameters.\u003c/p\u003e\n"],["\u003cp\u003eYou can retrieve the public point using \u003ccode\u003egetW()\u003c/code\u003e and the domain parameters using \u003ccode\u003egetParams()\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eA new \u003ccode\u003eECPublicKeySpec\u003c/code\u003e is created using the public point and domain parameters, throwing exceptions if inputs are invalid.\u003c/p\u003e\n"]]],[],null,["# ECPublicKeySpec\n\npublic class **ECPublicKeySpec** extends [Object](../../../../reference/java/lang/Object.html) \nimplements [KeySpec](../../../../reference/java/security/spec/KeySpec.html) \nThis immutable class specifies an elliptic curve public key with\nits associated parameters. \n\n##### See Also\n\n- [KeySpec](../../../../reference/java/security/spec/KeySpec.html)\n- [ECPoint](../../../../reference/java/security/spec/ECPoint.html)\n- [ECParameterSpec](../../../../reference/java/security/spec/ECParameterSpec.html) \n\n### Public Constructor Summary\n\n|---|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| | [ECPublicKeySpec](../../../../reference/java/security/spec/ECPublicKeySpec.html#ECPublicKeySpec(java.security.spec.ECPoint,%20java.security.spec.ECParameterSpec))([ECPoint](../../../../reference/java/security/spec/ECPoint.html) w, [ECParameterSpec](../../../../reference/java/security/spec/ECParameterSpec.html) params) Creates a new ECPublicKeySpec with the specified parameter values. |\n\n### Public Method Summary\n\n|----------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------|\n| [ECParameterSpec](../../../../reference/java/security/spec/ECParameterSpec.html) | [getParams](../../../../reference/java/security/spec/ECPublicKeySpec.html#getParams())() Returns the associated elliptic curve domain parameters. |\n| [ECPoint](../../../../reference/java/security/spec/ECPoint.html) | [getW](../../../../reference/java/security/spec/ECPublicKeySpec.html#getW())() Returns the public point W. |\n\n### Inherited Method Summary\n\nFrom class [java.lang.Object](../../../../reference/java/lang/Object.html) \n\n|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [Object](../../../../reference/java/lang/Object.html) | [clone](../../../../reference/java/lang/Object.html#clone())() Creates and returns a copy of this `Object`. |\n| boolean | [equals](../../../../reference/java/lang/Object.html#equals(java.lang.Object))([Object](../../../../reference/java/lang/Object.html) obj) Compares this instance with the specified object and indicates if they are equal. |\n| void | [finalize](../../../../reference/java/lang/Object.html#finalize())() Invoked when the garbage collector has detected that this instance is no longer reachable. |\n| final [Class](../../../../reference/java/lang/Class.html)\\\u003c?\\\u003e | [getClass](../../../../reference/java/lang/Object.html#getClass())() Returns the unique instance of [Class](../../../../reference/java/lang/Class.html) that represents this object's class. |\n| int | [hashCode](../../../../reference/java/lang/Object.html#hashCode())() Returns an integer hash code for this object. |\n| final void | [notify](../../../../reference/java/lang/Object.html#notify())() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up. |\n| final void | [notifyAll](../../../../reference/java/lang/Object.html#notifyAll())() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up. |\n| [String](../../../../reference/java/lang/String.html) | [toString](../../../../reference/java/lang/Object.html#toString())() Returns a string containing a concise, human-readable description of this object. |\n| final void | [wait](../../../../reference/java/lang/Object.html#wait(long,%20int))(long timeout, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires. |\n| final void | [wait](../../../../reference/java/lang/Object.html#wait(long))(long timeout) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires. |\n| final void | [wait](../../../../reference/java/lang/Object.html#wait())() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object. |\n\nPublic Constructors\n-------------------\n\n#### public\n**ECPublicKeySpec**\n([ECPoint](../../../../reference/java/security/spec/ECPoint.html) w, [ECParameterSpec](../../../../reference/java/security/spec/ECParameterSpec.html) params)\n\nCreates a new ECPublicKeySpec with the specified\nparameter values. \n\n##### Parameters\n\n| w | the public point. |\n| params | the associated elliptic curve domain parameters. |\n|--------|--------------------------------------------------|\n\n##### Throws\n\n| [NullPointerException](../../../../reference/java/lang/NullPointerException.html) | if `w` or `params` is null. |\n| [IllegalArgumentException](../../../../reference/java/lang/IllegalArgumentException.html) | if `w` is point at infinity, i.e. ECPoint.POINT_INFINITY |\n|-------------------------------------------------------------------------------------------|----------------------------------------------------------|\n\nPublic Methods\n--------------\n\n#### public [ECParameterSpec](../../../../reference/java/security/spec/ECParameterSpec.html)\n**getParams**\n()\n\nReturns the associated elliptic curve domain\nparameters. \n\n##### Returns\n\n- the EC domain parameters. \n\n#### public [ECPoint](../../../../reference/java/security/spec/ECPoint.html)\n**getW**\n()\n\nReturns the public point W. \n\n##### Returns\n\n- the public point W."]]
