Needham-Schroeder protocol

== English == === Etymology === Proposed by Roger Needham and Michael Schroeder. === Noun === Needham-Schroeder protocol (plural Needham-Schroeder protocols) (networking, cryptography) Either of two key transport protocols for use over insecure networks, one based on symmetric encryption (and forming the basis of Kerberos) and the other on public-key cryptography.