DrbgParameters.Instantiation (Java SE 9 & JDK 9 ) (original) (raw)

• java.lang.Object

• • java.security.DrbgParameters.Instantiation

• All Implemented Interfaces:
  [SecureRandomParameters](../../java/security/SecureRandomParameters.html "interface in java.security")
  Enclosing class:
  DrbgParameters

public static final class DrbgParameters.Instantiation
extends Object
implements SecureRandomParameters
DRBG parameters for instantiation.
When used inSecureRandom.getInstance(String, SecureRandomParameters) or one of the other similar getInstance calls that take aSecureRandomParameters parameter, it means the requested instantiate parameters the newly created SecureRandom object must minimally support. When used as the return value of theSecureRandom.getParameters() method, it means the effective instantiate parameters of the SecureRandom object.
Since:
9

• • Method Summary

  All Methods Instance Methods Concrete Methods

  Modifier and Type	Method	Description
  DrbgParameters.Capability	getCapability​()	Returns the capability.
  byte[]	getPersonalizationString​()	Returns the personalization string as a byte array.
  int	getStrength​()	Returns the security strength in bits.
  String	toString​()	Returns a Human-readable string representation of thisInstantiation.

     * ### Methods inherited from class java.lang.[Object](../../java/lang/Object.html "class in java.lang")  
     `[clone](../../java/lang/Object.html#clone--), [equals](../../java/lang/Object.html#equals-java.lang.Object-), [finalize](../../java/lang/Object.html#finalize--), [getClass](../../java/lang/Object.html#getClass--), [hashCode](../../java/lang/Object.html#hashCode--), [notify](../../java/lang/Object.html#notify--), [notifyAll](../../java/lang/Object.html#notifyAll--), [wait](../../java/lang/Object.html#wait--), [wait](../../java/lang/Object.html#wait-long-), [wait](../../java/lang/Object.html#wait-long-int-)`

• • Method Detail

     * #### getStrength  
     public int getStrength​()  
     Returns the security strength in bits.  
     Returns:  
     If used in `getInstance`, returns the minimum strength requested, or -1 if there is no specific request on the strength. If used in `getParameters`, returns the effective strength. The effective strength must be greater than or equal to the minimum strength requested.  
     * #### getCapability  
     public [DrbgParameters.Capability](../../java/security/DrbgParameters.Capability.html "enum in java.security") getCapability​()  
     Returns the capability.  
     Returns:  
     If used in `getInstance`, returns the minimum capability requested. If used in `getParameters`, returns information on the effective prediction resistance flag and whether it supports reseeding.  
     * #### getPersonalizationString  
     public byte[] getPersonalizationString​()  
     Returns the personalization string as a byte array.  
     Returns:  
     If used in `getInstance`, returns the requested personalization string as a newly allocated array, or `null` if no personalization string is requested. The same string should be returned in `getParameters` as a new copy, or `null` if no personalization string is requested in `getInstance`.  
     * #### toString  
     public [String](../../java/lang/String.html "class in java.lang") toString​()  
     Returns a Human-readable string representation of this`Instantiation`.  
     Overrides:  
     `[toString](../../java/lang/Object.html#toString--)` in class `[Object](../../java/lang/Object.html "class in java.lang")`  
     Returns:  
     the string representation

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