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DSAPublicKeySpec
public
class
DSAPublicKeySpec
extends Object
implements
KeySpec
This class specifies a DSA 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
DSAPublicKeySpec
public DSAPublicKeySpec (BigInteger y,
BigInteger p,
BigInteger q,
BigInteger g)
Creates a new DSAPublicKeySpec with the specified parameter values.
| Parameters |
|---|
y |
BigInteger: the public key. |
p |
BigInteger: the prime. |
q |
BigInteger: the sub-prime. |
g |
BigInteger: the base. |
Public methods
getG
public BigInteger getG ()
Returns the base g.
getP
public BigInteger getP ()
Returns the prime p.
getQ
public BigInteger getQ ()
Returns the sub-prime q.
getY
public BigInteger getY ()
Returns the public key 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,["# DSAPublicKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \nSummary: [Ctors](#pubctors) \\| [Methods](#pubmethods) \\| [Inherited Methods](#inhmethods) \n\nDSAPublicKeySpec\n================\n\n\n`\npublic\n\n\nclass\nDSAPublicKeySpec\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.DSAPublicKeySpec |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThis class specifies a DSA public key with its associated parameters. \n**See also:**\n\n- [Key](/reference/java/security/Key)\n- [KeyFactory](/reference/java/security/KeyFactory)\n- [KeySpec](/reference/java/security/spec/KeySpec)\n- [DSAPrivateKeySpec](/reference/java/security/spec/DSAPrivateKeySpec)\n- [X509EncodedKeySpec](/reference/java/security/spec/X509EncodedKeySpec)\n\nSummary\n-------\n\n| ### Public constructors ||\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[DSAPublicKeySpec](/reference/java/security/spec/DSAPublicKeySpec#DSAPublicKeySpec(java.math.BigInteger,%20java.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)` q, `[BigInteger](/reference/java/math/BigInteger)` g) ` Creates a new DSAPublicKeySpec with the specified parameter values. |\n\n| ### Public methods ||\n|--------------------------------------------------|---------------------------------------------------------------------------------------------------|\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getG](/reference/java/security/spec/DSAPublicKeySpec#getG())`() ` Returns the base `g`. |\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getP](/reference/java/security/spec/DSAPublicKeySpec#getP())`() ` Returns the prime `p`. |\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getQ](/reference/java/security/spec/DSAPublicKeySpec#getQ())`() ` Returns the sub-prime `q`. |\n| ` `[BigInteger](/reference/java/math/BigInteger) | ` `[getY](/reference/java/security/spec/DSAPublicKeySpec#getY())`() ` Returns the public key `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### DSAPublicKeySpec\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic DSAPublicKeySpec (BigInteger y, \n BigInteger p, \n BigInteger q, \n BigInteger g)\n```\n\nCreates a new DSAPublicKeySpec with the specified parameter values.\n\n\u003cbr /\u003e\n\n| Parameters ||\n|-----|--------------------------------------|\n| `y` | `BigInteger`: the public key. \u003cbr /\u003e |\n| `p` | `BigInteger`: the prime. \u003cbr /\u003e |\n| `q` | `BigInteger`: the sub-prime. \u003cbr /\u003e |\n| `g` | `BigInteger`: the base. \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 `g`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|----------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the base `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 `p`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|-----------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the prime `p`. \u003cbr /\u003e |\n\n### getQ\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic BigInteger getQ ()\n```\n\nReturns the sub-prime `q`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|---------------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the sub-prime `q`. \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 key `y`.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-----------------------------------------------|----------------------------|\n| [BigInteger](/reference/java/math/BigInteger) | the public key `y`. \u003cbr /\u003e |"]]
