E
M0 M1
???
An encryption scheme is computationally
secure if no adversary can
distinguish between E(M0) and E(M1) better
than 50-50, for any two messages M0 M1
chosen by the adversary.
E(Mb)
[GM82]:
| Diapositive prÈcÈdente | Diapositive suivante | Revenir ý la premiËre diapositive | Afficher la version graphique |