e-ID user identification

Traditionally e-ID identification means using national ID card cryptography to verify the user is who he claims to be. Browsers have “Client certificate authentication” where webserver is configured to accept certificate provided by the client to verify its identity. For …

What is an electronic signature?

Signature itself is mark of the person that nobody can duplicate approving and confirming some action. Signature must be something that nobody can replicate. Otherwise other people can do very bad deals with you, for example buy your house for …