3 ms·
Read this thread again. Your statement is not correct since CC never gets to see the plaintext. CC is just a bijective function on (blocksize of KC) bits.
by madez 12y ago
Read this thread again. Your statement is not correct since CC never gets to see the plaintext. CC is just a bijective function on (blocksize of KC) bits.
- sirclueless 12y agoDid you edit your post? I'm not the only one who misread it. If KC is applied first to the plaintext, then assuming you didn't flub anything in implementation the combined scheme won't be less secure than KC, I agree. Applying CC effectively becomes security through obscurity, which is admittedly sometimes helpful.
- madez 12y agoNo, sirclueless, I didn't change the scheme I wrote about. Yes, it adds security through obscurity without losing security through well-known recommended ciphers.