Section 6.1. Changes to Delivery of JBoss EAP Natives and Apache HTTP Server page shows JBoss EAP 7 does not have support for OpenSSL package.

Here is the link for document : https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.0/html/migration_guide/migration_miscellaneous_changes#changes_to_delivery_of_eap_natives_and_apache_http_server

But there is a OpenSSL package available under JBCS,

Here is the link for it to do in EAP 7.1. : https://access.redhat.com/articles/3081901