This is insecure. Assuming the user can get a few key examples (which, we assume they would be able to if the german tank problem is a problem) then the secret

This is insecure. Assuming the user can get a few key examples (which, we assume they would be able to if the german tank problem is a problem) then the secret can easily be revealed. [1] [1] https://dev.to/wrongbyte/cryptography-basics-breaking-repeated-key-xor-ciphertext-1fm2 https://dev.to/wrongbyte/cryptography-basics-breaking-repeat...