error encrypting the name id unable to encrypt due to an error. Server logs indicate Null pointer exception.

2009-06-08 09:19:19,375, (SSOHelper.java:607), uhapw003, , , , Unable to process the AuthnRequest message, com.rsa.fim.profile.sso.SSOProfileException: Error encrypting the nameid: Unable to encrypt due to an error: null
        at com.rsa.fim.profile.util.ProfileHelper.encryptOrSignResponse(ProfileHelper.java:1165)
        at com.rsa.fim.profile.sso.SSOProfileBean.processAuthnRequest(SSOProfileBean.java:1162)
        at com.rsa.fim.profile.sso.EJSRemoteStatelessSSOProfile_3ac19df2.processAuthnRequest(Unknown Source)
        at com.rsa.fim.profile.sso._SSOProfile_Stub.processAuthnRequest(_SSOProfile_Stub.java:312)
        at com.rsa.fim.servlet.sso.SSOService.doGet(SSOService.java:82)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1284)
        at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1241)
        at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:136)
        at com.wachovia.thirdpartyauth.fim.base.SsoRequestFilter.doFilter(SsoRequestFilter.java:100)
        at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:142)
        at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:121)
        at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:82)
        at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:671)
        at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3003)
        at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:221)
        at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:210)
        at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1958)
        at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:88)
        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:472)
        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:411)
        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:288)
        at com.ibm.ws.ssl.channel.impl.SSLConnectionLink.determineNextChannel(SSLConnectionLink.java:950)
        at com.ibm.ws.ssl.channel.impl.SSLConnectionLink$MyReadCompletedCallback.complete(SSLConnectionLink.java:582)
        at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1701)
        at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
        at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
        at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
        at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
        at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1470)
Caused by: com.rsa.fim.exception.CryptoUtilException: Unable to encrypt due to an error: null
        at com.rsa.fim.util.crypto.EncryptionHelper.encrypt(EncryptionHelper.java:137)
        at com.rsa.fim.profile.util.ProfileHelper.encryptOrSignResponse(ProfileHelper.java:1151)
        ... 30 more
Caused by: java.lang.NullPointerException
        at com.rsa.fim.util.crypto.EncryptionHelper.encrypt(EncryptionHelper.java:134)
        ... 31 more