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Textbook RSA 2: Timmy the Lonely Oracle (100pts)
Description

Timmy encrypted a flag for his friend, but he got lonely because no one else wanted to use his encryption system. To make new friends, he's offering to encrypt or decrypt anything you want - provided, of course, you don't decrypt the flag. Can you betray the trust of your new friend and steal the flag out from under his nose ||you monster||?

Attachments

https://imaginary.ml/r/45C6-oracle.py, nc oreos.imaginaryctf.org 6789

Category

Crypto

Author

puzzler7

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