Comment Comment by l33t2328 It is vulnerable to chosen cipher text attacks.Give me a one time pad cipher text c of length n and a decryption oracle Dec(). Then the key k = Dec(0^n) and I can easily tell you that the message is c xor k. parent l33t2328 4 years ago
Give me a one time pad cipher text c of length n and a decryption oracle Dec(). Then the key k = Dec(0^n) and I can easily tell you that the message is c xor k.