Search Mailing List Archives

Limit search to: Subject & Body Subject Author
Sort by: Reverse Sort
Limit to: All This Week Last Week This Month Last Month
Select Date Range     through    

[liberationtech] [ipv6hackers] opportunistic encryption in IPv6

Eugen Leitl eugen at
Tue Jun 11 06:43:58 PDT 2013

----- Forwarded message from Mark Smith <markzzzsmith at> -----

Date: Mon, 10 Jun 2013 21:10:06 -0700 (PDT)
From: Mark Smith <markzzzsmith at>
To: IPv6 Hackers Mailing List <ipv6hackers at>
Subject: Re: [ipv6hackers] opportunistic encryption in IPv6
X-Mailer: YahooMailWebService/
Reply-To: IPv6 Hackers Mailing List <ipv6hackers at>

----- Original Message -----
> From: Jim Small <jim.small at>
> To: IPv6 Hackers Mailing List <ipv6hackers at>
> Cc: 
> Sent: Tuesday, 11 June 2013 11:02 AM
> Subject: Re: [ipv6hackers] opportunistic encryption in IPv6
> Hi Owen,
>>  > The fundamental challenge for encryption is key distribution and
>>  management:
>>  > * How do I authenticate the intended recipient(s)?
>>  This is a traditional challenge with many traditional solutions, all of 
> which have
>>  tradeoffs, especially in M2M communications.
>>  > * How do I distribute a key without letting anyone except the intended
>>  recipient(s) get it?
>>  DH pretty well solves this, no?
> Yes and no.  DH is a good answer, but IKE/IPsec still requires pre-shared keys 
> or RSA key pairs to start with.

Don't think so anymore.

"Better-Than-Nothing Security: An Unauthenticated Mode of IPsec"

Don't know if there are any implementations available.
Ipv6hackers mailing list
Ipv6hackers at

----- End forwarded message -----
Eugen* Leitl <a href="">leitl</a>
ICBM: 48.07100, 11.36820
AC894EC5: 38A5 5F46 A4FF 59B8 336B  47EE F46E 3489 AC89 4EC5

More information about the liberationtech mailing list