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Added in API level 1

Summary: Ctors | Methods | Inherited Methods | [Expand All]

DHGenParameterSpec

public class DHGenParameterSpec
extends Object implements AlgorithmParameterSpec

java.lang.Object
↳	javax.crypto.spec.DHGenParameterSpec

This class specifies the set of parameters used for generating Diffie-Hellman (system) parameters for use in Diffie-Hellman key agreement. This is typically done by a central authority.

The central authority, after computing the parameters, must send this information to the parties looking to agree on a secret key.

See also:

DHParameterSpec

Summary

Public constructors
`DHGenParameterSpec(int primeSize, int exponentSize)` Constructs a parameter set for the generation of Diffie-Hellman (system) parameters.

Public methods
`int`	`getExponentSize()` Returns the size in bits of the random exponent (private value).
`int`	`getPrimeSize()` Returns the size in bits of the prime modulus.

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 millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

DHGenParameterSpec

Added in API level 1

DHGenParameterSpec (int primeSize, 
                int exponentSize)

Constructs a parameter set for the generation of Diffie-Hellman (system) parameters. The constructed parameter set can be used to initialize an AlgorithmParameterGenerator object for the generation of Diffie-Hellman parameters.

Parameters
`primeSize`	`int`: the size (in bits) of the prime modulus.
`exponentSize`	`int`: the size (in bits) of the random exponent.

Public methods

getExponentSize

Added in API level 1

int getExponentSize ()

Returns the size in bits of the random exponent (private value).

Returns
`int`	the size in bits of the random exponent (private value)

getPrimeSize

Added in API level 1

int getPrimeSize ()

Returns the size in bits of the prime modulus.

Returns
`int`	the size in bits of the prime modulus