Submit your attack to the Spook SCA CTF (Step 1: pre-submission)

The submission process is 2-step: first, register your submission and commit it by giving its hash, then upload the submission. The second step can be done up to one day after the deadline.

(Leave as-is if you do not have one already.)

(Insert the SHA-256 hash of the submission file)

By uploading your submission, you mark your agreement with the contest rules.