DSSSecureRandomProvider (Digital Signature Services 5.7 API)

java.lang.Object

eu.europa.esig.dss.pdf.encryption.DSSSecureRandomProvider

All Implemented Interfaces:: SecureRandomProvider

public class DSSSecureRandomProvider
extends Object
implements SecureRandomProvider

Default SecureRandomProvider used in DSS, returning org.bouncycastle.crypto.prng.FixedSecureRandom instance

Constructor Summary

Constructors
Constructor	Description
`DSSSecureRandomProvider(PAdESCommonParameters parameters)`	The default constructor taking an object to compute seeds from Concatenates all attributes from PAdESCommonParameters to a BAOS

Method Summary

Modifier and Type	Method	Description
`SecureRandom`	`getSecureRandom()`	Gets SecureRandom instance
`void`	`setBinaryLength(int binaryLength)`	Sets the amount of bytes to be computed for FixedSecureRandom 16 bytes is required per one AES Vector initialization
`void`	`setDigestAlgorithm(DigestAlgorithm digestAlgorithm)`	Allows to set a DigestAlgorithm that will be applied on serialized parameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- DSSSecureRandomProvider
  
  public DSSSecureRandomProvider(PAdESCommonParameters parameters)
  
  The default constructor taking an object to compute seeds from Concatenates all attributes from PAdESCommonParameters to a BAOS
  
  Parameters:
  
  parameters - PAdESCommonParameters to compute seed value from
Method Details
- setDigestAlgorithm
  
  public void setDigestAlgorithm(DigestAlgorithm digestAlgorithm)
  
  Allows to set a DigestAlgorithm that will be applied on serialized parameters
  
  Parameters:
  
  digestAlgorithm - DigestAlgorithm
- setBinaryLength
  
  public void setBinaryLength(int binaryLength)
  
  Sets the amount of bytes to be computed for FixedSecureRandom 16 bytes is required per one AES Vector initialization
  
  Parameters:
  
  binaryLength - number of bytes
- getSecureRandom
  
  public SecureRandom getSecureRandom()
  
  Description copied from interface: SecureRandomProvider
  
  Gets SecureRandom instance
  
  Specified by:
  
  getSecureRandom in interface SecureRandomProvider
  
  Returns:
  
  SecureRandom