Message authentication
IN INFORMATION SECURITY
Data authenticity; Authenticity (information security); Data origin authentication; Data-origin authentication; Data Origin Authentication; Message Authentication; Data Authentication; Data authentication; Data origin authenticity; Message authenticity; Data-origin authenticity; Cryptographitcally authenticated; Cryptographic authentication; Cryptographically authenticated
In information security, message authentication or data origin authentication is a property that a message has not been modified while in transit (data integrity) and that the receiving party can verify the source of the message. Message authentication does not necessarily include the property of non-repudiation.