com.digistamp.tsp.demo

Class CreateTimestamp

Object

com.digistamp.tsp.demo.CreateTimestamp

public class CreateTimestamp
extends Object

Time stamping the contents of a file and save the new time stamp to disk. Internet communication to the DigiStamp server is performed as part of the processing.

Edit the file com.digistamp.properties to input your DigiStamp Account number and password before running this demo program. You may have an account in DigiStamp test environment and one in Production. The contents of com.digistamp.properties determines if the Test or Production TSA nodes are called to create the timestamp.

This source code is include with the SecureTime Java API distribution.

Given a file name, the process performs:

1. calculate SHA-512 hash of the contents
2. Construct a time stamp request
3. Internet communication to the time stamp server
4. Verify the time stamp signature
5. Verify the certificate trust
6. Writes the time stamp to disk

Version:

4.3

Author:

Copyright © 2015-2016 DigiStamp

Field Summary

Fields

Modifier and Type	Field and Description
String	alternatePassword
String	alternateUserID
TSAservice	theTSAservice you can use as singleton because this is thread safe.

Constructor Summary

Constructors

Constructor and Description
CreateTimestamp()

Method Summary

Modifier and Type	Method and Description
org.bouncycastle.tsp.TimeStampToken	getTimeStamp(InputStream toBeTimeStamped, String filename) A demonstration of time stamp the content of a file.
static void	main(String[] args) Execute the demo from a command line.
void	testConfigurationAlternatives()

Methods inherited from class Object

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

Field Detail

alternatePassword

public String alternatePassword

alternateUserID

public String alternateUserID

theTSAservice

public TSAservice theTSAservice

you can use as singleton because this is thread safe.

Constructor Detail

CreateTimestamp

public CreateTimestamp()

Method Detail

getTimeStamp

public org.bouncycastle.tsp.TimeStampToken getTimeStamp(InputStream toBeTimeStamped,
                                                        String filename)
                                                 throws IOException

A demonstration of time stamp the content of a file. The configuration of Internet communications will is done automatically / independently because this toolkit will initialize by reading the com.digistamp.properties. It is in that file you will have put your DigiStamp user ID and password.

Throws:

IOException

main

public static void main(String[] args)

Execute the demo from a command line. Enter:

1. input file name that will be time stamped

See Also:

for details

testConfigurationAlternatives

public void testConfigurationAlternatives()