message authentication code

MAC scheme

Describe a MAC scheme by $\mathcal{K}$ key space, $\mathcal{M}$ message space, $\mathcal{T}$ tag space, and MAC function $\operatorname{MAC} : \mathcal{K} \times \mathcal{M} \to \mathcal{T}$

Game (one-time MAC)

#incomplete

Compare

• one-time pad

References

1. https://www.khoury.northeastern.edu/home/wichs/class/crypto-fall17/lecture1.pdf