where i get this org.jboss.resteasy.security.smime.EnvelopedOutput type in jboss,is their any liberary?

[amit02.sharma12]

in which liberary or jar org.jboss.resteasy.security.smime.EnvelopedOutput class contains in jboss i am using jboss 6 i am not getting it from jboss6, is there any external jar ? if any please tell me

please help me

thank you