vConfidentiality
ØCan the information be
seen by the “wrong” someone.
vIntegrity
ØHow do I
know the information was not accidentally or maliciously altered or destroyed.
vAuthentication
ØHow do I know it was
the “real” Ray Skinner?
vNon-Repudiation of Origin (NRO)
ØIf the
transaction has integrity and authentication,
the sender can not deny sending it or the content.
the sender can not deny sending it or the content.
vNon-Repudiation of Receipt
ØThe recipient can not
later deny having received it.
ØReturn receipt
requested.
Security Concepts
Is the Mail or Telephone Safe?