demo.cms.ecc
Class StaticStaticECDHDemo

java.lang.Object
  demo.cms.ecc.StaticStaticECDHDemo

Direct Known Subclasses:

ECDHAuthenticatedDataDemo, ECDHAuthEnvelopedDataDemo

public abstract class StaticStaticECDHDemo
extends java.lang.Object

Base class for ECDHAuthEnvelopedDataDemo and ECDHAuthenticatedDataDemo demonstrating the usage of the CMS AuthEnvelopedData and AuthenticatedData content types by using Static-Static ECDH according to 6278 as key agreement method.

Reads keys/certificates required for this demo from a keystore file "cmsecc.keystore" located in your current working directory. If the keystore file does not exist you can create it by running the SetupCMSEccKeyStore program.

Additionally to iaik_cms.jar you also must have iaik_jce_(full).jar (IAIK-JCE, https://sic.tech/products/core-crypto-toolkits/jca-jce/), and iaik_eccelarate.jar (IAIK-ECCelerate^TM, https://sic.tech/products/core-crypto-toolkits/eccelerate/) in your classpath.

See Also:

ECDHAuthEnvelopedDataDemo, ECDHAuthenticatedDataDemo, AuthEnvelopedDataStream, AuthEnvelopedData, AuthEnvelopedDataOutputStream, RecipientInfo, KeyAgreeRecipientInfo, SetupCMSEccKeyStore

Constructor Summary

StaticStaticECDHDemo()
Setup the demo certificate chains.

Method Summary

iaik.cms.RecipientInfo[]

createRecipients() Creates the RecipientInfos.

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticStaticECDHDemo

public StaticStaticECDHDemo()
                     throws java.io.IOException

Setup the demo certificate chains. Keys and certificates are retrieved from the demo keyStore file "cmsecc.keystore" located in your current working directory. If the keystore file does not exist you can create it by running the SetupCMSEccKeyStore program.

Throws:

java.io.IOException - if keys/certificates cannot be read from the keystore

Method Detail

createRecipients

public iaik.cms.RecipientInfo[] createRecipients()
                                          throws iaik.cms.CMSException

Creates the RecipientInfos.

Returns:

the RecipientInfos created, two KeyAgreeRecipientInfos

Throws:

iaik.cms.CMSException - if an error occurs when creating the recipient infos