$ ctf42

Lightning_Fast_Scrambling

Crypto No technique tags yet.
Difficulty Not rated yet

Pietro Lepori

Marvel at my new super-fast cipher!

It even provides a message integrity check :)

Here is my challenge:

VERY/Rjwj1U4DQZ/zyyHxSsMY1iYuOZHs//qWPVYInUz/5cxidrFCrSqco4bbVLpWjHHI4Z+JZOwOfsT#SUS/PDQPS4DlVum2aO+5+SuczHag7/rnYMBUr+pEqEU=

I'm sure you won't be able to recover the passphrase

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