Tagged Questions
4
votes
2answers
721 views
When using symmetric key encryption, do we need to sign?
Say we're using a shared key between two parties, that has been distributed using public key encryption, is it still necessary to sign any data that's encrypted using the shared key? Or is it enough ...
6
votes
3answers
3k views
What is the difference between authenticity and non-repudiation
I'm new to infosec and doing some reading. Not surprisingly one starting point was wikipedia. In this article, authenticity and non-repudiation are listed as 2 separate 'Basic concepts'. My ...