More Attacks on Cryptosystems
Replay attacks:
- play the same encrypted message again and again for repeated effect (e.g., transfer $1,000, transfer $1,000, transfer $1,000, ...)
Timing attacks:
- delay a message until an appropriate time (e.g., delay a troop movement by 5 minutes)
Man-in-the-middle attacks:
- In key distribution, forge being each party to the other, then they all communicate through you.