If I have a message that I need to send to another person, how do I achieve non repudiation ? Is digitally signing the message sufficient ?
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 ...
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 ...
Just to say it, the four tenets are: Confidentiality - The message the recipient gets can be proven not to have been read by anyone else since it was encoded. Integrity - The message the recipient ...
Are there any international or US mandated standards and regulations that apply to communications between automatic teller machines and bank's central office? Are banks or ATM operators subjected to ...
I understand that SSL/TLS provides confidentiality and integrity. But does it provide non-repudiation? I read in one book it does not. But I wonder why? What does it mean? If it means Alice can ...