Non-repudiation
Providing undeniable proof in digital transactions
Digital Signature
Data is first hashed and then hash digest is encrypted usign asymetric encryption (with user’s private key), so there is a proof, that given user is author of message
Goals of non-repudiation
Confirming the Authenticity of Digital Transactions, Ensuring Integrity, Providing Accountability
What word non-repudiation links with?
Digital signatures