Tag Archives: public key

What is Time-Stamping?

June 27, 2012 by Bruce Morton     No Comments

What happens to signed code when the code signing certificate expires? In many cases, an expired certificate means that the signature validation will fail and a trust warning will appear in the browser. Time-stamping was designed to alleviate this problem. The idea is that at the time, at which the code is signed, the certificate [Read More...]

What is TACK?

June 4, 2012 by Bruce Morton     No Comments

Two researchers have prepared a draft standard for the Internet Engineering Task Force to help extend the trust of SSL certificates. The approach is Trust Assertions for Certificate Keys, or TACK, and was prepared by Trevor Perrin and Moxie Marlinspike. TACK is an SSL extension that enables a Web server to assert the authenticity of [Read More...]