$ ctf42

encryptionService

Crypto weight 24.23 No technique tags yet.
Difficulty Not rated yet

jeffrey has taken initiative to implement chacha encryption for a 16bit microcontroller product as they cant implement AES accelaration but I know this guy he had surely backdoored it with his little tricks, Can you point this out and report it before its too late. (NOTE:use curl commands to interact with service and the key provided in handout is just for testing,actual key used in server is different)

Writeups

Official

No official writeup linked.

Community

No community writeups yet. Solved it? Share how.

Log in to add a community writeup.