[Cryptography] Licensing of cryptographic services in France

[efc at disroot.org]

On Wed, 28 Aug 2024, Phillip Hallam-Baker wrote:

> 
> 
> On Wed, Aug 28, 2024 at 3:23 PM efc--- via cryptography <cryptography at metzdowd.com> wrote:
> 
>
>       On Tue, 27 Aug 2024, Phillip Hallam-Baker wrote:
>
>       >       That will push solutions based on steganography, hiding encrypted
>       >       information in non-encrypted streams. There will of course be a black
>       >       market (the market always wins in the end, despite what todays socialist
>       >       politicians want us to believe) for encrypted communication through white
>       >       listed corporations. I read an article a long time ago, that this is how
>       >       it works in china, were companies do sell internet connections to the west
>       >       if you know who to ask through the right channels.
>       >
>       >
>       > Yup. Already designed in.
>
>       Very interesting and thank you very much for the information Phillip. In
>       case of steganography based solution, what would you think the
>       performance impact would be?
>
>       For regular text-only, chatting I would imagine that it would be close
>       to nothing.
>
>       But when it comes to transfering files in the 10-100 MB range would
>       steganography make that too painful, and what about audio/video chats?
> 
> 
> Steganography just means a slight reduction in payload capacity. instead of passing 1200 bytes of payload at a time, it would be
> maybe 1140. So worst case 5%-10% reduction in bandwidth.
> 
> If you are going to do any form of traffic analysis defeat with onion routing or the like, you are obviously going to increase
> latency according to your path lengths. But no reason it shouldn't be acceptably fast if you have a modern network and modern
> hardware.
>

Yes, makes perfect sense. Thank you for the explanation.