[Cryptography] randomness +- entropy

Guido Witmond guido at witmond.nl
Tue Nov 12 06:09:05 EST 2013


On 11/11/13 23:56, Jerry Leichter wrote:

> All that said ... I have yet to see a DSL or cable modem that
> *needs* a secure source of random numbers.  They live at L2 and below
> and don't encrypt or decrypt anything.  OK, they usually have http 
> interfaces for management - which should really be https and they 
> should come pre-configured with a certificate, as they come with a 
> unique password.


My AVM Fritzbox DSL modem has IPsec VPN capabilities in it. I'm sure it
fits the requirement for a good random source.

However, it needs a Windows box to run a program to create a
configuration file. And it creates a new https certificate at each boot.

Regards, Guido.

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