| Action | Rating | Author team | 
|---|---|---|
| Read writeup | not rated | The Flat Network Society | 
| Read writeup | not rated | kalmarunionen | 
| Read writeup | not rated | GoN | 
Very guessy challenge! We thought it was a variable length attack on AES-192 CBC-HMAC...
Woops, I meant CBC-MAC.
@hyperreality I agree that very guessy, but the flag for first one leaked that it's about nonce reuse, and length of the signature indicated ECC