[cryptography] Unbreakable crypto?
esoriano at lsub.org
Sun Mar 22 06:38:29 EDT 2015
> Right. An ISO file is a bad choice - too many zeros & machine code
> isn't very random. But what about something like an MP3, OGV or some
> other compressed file?
The requirements for the Vernam cipher are very simple:
- the pad must be random
- the pad must not be reused
- the pad must be secret (it's the key!)
These formats (e.g. mp3) have headers, etc.
Anyway, the data is not random, so it should not be used as a one-time-pad.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the cryptography