BouncyCastleDigest

java.lang.Object

com.itextpdf.signatures.BouncyCastleDigest

All Implemented Interfaces:: IExternalDigest

public class BouncyCastleDigest extends Object implements IExternalDigest

Implementation for digests accessed directly from the BouncyCastle library bypassing any provider definition.

Constructor Summary

Constructors

Constructor

Description

BouncyCastleDigest()
Method Summary

Modifier and Type

Method

Description

MessageDigest

getMessageDigest(String hashAlgorithm)

Returns the MessageDigest associated with the provided hashing algorithm.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- BouncyCastleDigest
  
  public BouncyCastleDigest()
Method Details
- getMessageDigest
  
  public MessageDigest getMessageDigest(String hashAlgorithm) throws GeneralSecurityException
  
  Description copied from interface: IExternalDigest
  
  Returns the MessageDigest associated with the provided hashing algorithm.
  
  Specified by:
  
  getMessageDigest in interface IExternalDigest
  
  Parameters:
  
  hashAlgorithm - String value representing the hashing algorithm
  
  Returns:
  
  MessageDigest MessageDigest object
  
  Throws:
  
  GeneralSecurityException - Thrown when something goes wrong in calculating the digest