The main implication this license has is that you are allowed to use the Vortex Library for commercial application as well on open source application using GPL/LGPL compatible licenses.
Restrictions for proprietary development are the following:
LEGAL NOTICE: This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. (http://www.openssl.org/)
From the OpenSSL site:
This software package uses strong cryptography, so even if it is created, maintained and distributed from liberal countries in Europe (where it is legal to do this), it falls under certain export/import and/or use restrictions in some other parts of the world. PLEASE REMEMBER THAT EXPORT/IMPORT AND/OR USE OF STRONG CRYPTOGRAPHY SOFTWARE, PROVIDING CRYPTOGRAPHY HOOKS OR EVEN JUST COMMUNICATING TECHNICAL DETAILS ABOUT CRYPTOGRAPHY SOFTWARE IS ILLEGAL IN SOME PARTS OF THE WORLD. SO, WHEN YOU IMPORT THIS PACKAGE TO YOUR COUNTRY, RE-DISTRIBUTE IT FROM THERE OR EVEN JUST EMAIL TECHNICAL SUGGESTIONS OR EVEN SOURCE PATCHES TO THE AUTHOR OR OTHER PEOPLE YOU ARE STRONGLY ADVISED TO PAY CLOSE ATTENTION TO ANY EXPORT/IMPORT AND/OR USE LAWS WHICH APPLY TO YOU. THE AUTHORS OF OPENSSL ARE NOT LIABLE FOR ANY VIOLATIONS YOU MAKE HERE. SO BE CAREFUL, IT IS YOUR RESPONSIBILITY.
Postal address: Advanced Software Production Line, S.L. C/ Antonio Suarez Nº 10, Edificio Alius A, Despacho 102 Alcalá de Henares 28802 (Madrid) Spain Email address: email@example.com - http://www.aspl.es/vortex Fax and Telephones: (00 34) 91 134 14 22 - (00 34) 91 134 14 45 Pleope from outside Spain must use (00 34) prefix.