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DHPublicKeySpec
public
class
DHPublicKeySpec
extends Object
implements
KeySpec
This class specifies a Diffie-Hellman public key with its associated
parameters.
Note that this class does not perform any validation on specified
parameters. Thus, the specified values are returned directly even
if they are null.
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
DHPublicKeySpec
public DHPublicKeySpec (BigInteger y,
BigInteger p,
BigInteger g)
Constructor that takes a public value y, a prime
modulus p, and a base generator g.
| Parameters |
|---|
y |
BigInteger: public value y |
p |
BigInteger: prime modulus p |
g |
BigInteger: base generator g |
Public methods
getG
public BigInteger getG ()
Returns the base generator g.
getP
public BigInteger getP ()
Returns the prime modulus p.
getY
public BigInteger getY ()
Returns the public value y.
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.
[[["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,["# DHPublicKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \nSummary: [Ctors](#pubctors) \\| [Methods](#pubmethods) \\| [Inherited Methods](#inhmethods) \n\nDHPublicKeySpec\n===============\n\n\n`\npublic\n\n\nclass\nDHPublicKeySpec\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| ↳ | javax.crypto.spec.DHPublicKeySpec |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThis class specifies a Diffie-Hellman public key with its associated\nparameters.\n\nNote that this class does not perform any validation on specified\nparameters. Thus, the specified values are returned directly even\nif they are null. \n**See also:**\n\n- [DHPrivateKeySpec](/reference/javax/crypto/spec/DHPrivateKeySpec)\n\nSummary\n-------\n\n| ### Public constructors ||\n|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[DHPublicKeySpec](/reference/javax/crypto/spec/DHPublicKeySpec#DHPublicKeySpec(java.math.BigInteger,%20java.math.BigInteger,%20java.math.BigInteger))`(`[BigInteger](/reference/java/math/BigInteger)` y, `[BigInteger](/reference/java/math/BigInteger)` p, `[BigInteger](/reference/java/math/BigInteger)` g) ` Constructor that takes a public value `y`, a prime modulus `p`, and a base generator `g`. |\n\n| ### Public methods ||\n|--------------------------------------------------|-----------------------------------------------------------------------------------------------------|\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getG](/reference/javax/crypto/spec/DHPublicKeySpec#getG())`() ` Returns the base generator `g`. |\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getP](/reference/javax/crypto/spec/DHPublicKeySpec#getP())`() ` Returns the prime modulus `p`. |\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getY](/reference/javax/crypto/spec/DHPublicKeySpec#getY())`() ` Returns the public value `y`. |\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### DHPublicKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic DHPublicKeySpec (BigInteger y, \n BigInteger p, \n BigInteger g)\n```\n\nConstructor that takes a public value `y`, a prime\nmodulus `p`, and a base generator `g`.\n\n\u003cbr /\u003e\n\n| Parameters ||\n|-----|---------------------------------------|\n| `y` | `BigInteger`: public value y \u003cbr /\u003e |\n| `p` | `BigInteger`: prime modulus p \u003cbr /\u003e |\n| `g` | `BigInteger`: base generator g \u003cbr /\u003e |\n\nPublic methods\n--------------\n\n### getG\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic BigInteger getG ()\n```\n\nReturns the base generator `g`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|-------------------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the base generator `g` \u003cbr /\u003e |\n\n### getP\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic BigInteger getP ()\n```\n\nReturns the prime modulus `p`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|------------------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the prime modulus `p` \u003cbr /\u003e |\n\n### getY\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic BigInteger getY ()\n```\n\nReturns the public value `y`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|-----------------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the public value `y` \u003cbr /\u003e |"]]
