- Round: 27 (2022/10)
- Category: Crypto
- Points: 75
- Solves: 35
I fixed the problem of the previous attempt in mixing RSA and block ciphers.
The iv of each block is always known, so you can bruteforce the characters by checking
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I fixed the problem of the previous attempt in mixing RSA and block ciphers.
The iv of each block is always known, so you can bruteforce the characters by checking