cryptomedium

TTP — Two-Time Pad

spbctf

Task: Two ciphertexts encrypted with OTP using the same key, one known plaintext. Solution: Two-Time Pad attack - recover key by XORing known plaintext with its ciphertext, then decrypt the second message.

$ ls tags/ techniques/
xorkey_reuseotptwo_time_pad
two_time_pad_attackotp_reuse_attack
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