A system, method, and computer program product for preventing a malicious user from analyzing and modifying software content. The one-way functions used in prior art systems using dynamically evolving audit logs or self-modifying applications are replaced with a one-way function based on group theory....http://www.google.com/patents/US20090049308?utm_source=gb-gplus-sharePatent US20090049308 - Method for Effective Tamper Resistance
