This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
LittleBlackBox is a collection of thousands of private SSL and SSH keys extracted from various embedded devices. These private keys are stored in a database where they are correlated with their public certificates as well as the hardware/firmware that are known to use those private keys.
This week, Google activated a web privacy feature called “forward secrecyâ€, becoming one of the web’s first major players to put this important component in place. It’s an important step, and other sites should follow suit. In order to understand why enabling forward secrecy is so important, it’s helpful to know how HTTPS works in the first place.
Das Zurückziehen (Revoke) eines digitalen Zertifikats führt nicht automatisch dazu, dass damit alle getätigten Signaturvorgänge etwa für Software ungültig werden. Entscheidend ist vielmehr das Revocation Date, das festlegt, ab welchem Zeitpunkt ein Unterschriftsvorgang als ungültig eingestuft wird.
a spreadsheet with a list of 531 entries on the currently known bad DigiNotar related certificates.