Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-26 Thread Eric Rescorla
At Wed, 26 Mar 2008 07:32:41 -0700, Eric Rescorla wrote: > > At Wed, 26 Mar 2008 15:01:21 +0100, > Iljitsch van Beijnum wrote: > > > > On 26 mrt 2008, at 14:36, Eric Rescorla wrote: > > > > > - Modern cryptographic implementations are extremely fast. For > > > comparison the MacBook Air I'm typ

Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-26 Thread Eric Rescorla
At Wed, 26 Mar 2008 15:01:21 +0100, Iljitsch van Beijnum wrote: > > On 26 mrt 2008, at 14:36, Eric Rescorla wrote: > > > - Modern cryptographic implementations are extremely fast. For > > comparison the MacBook Air I'm typing this on will do order 10^6 > > HMAC-MD5s/second on 64-byte packets.

Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-26 Thread Iljitsch van Beijnum
On 26 mrt 2008, at 14:36, Eric Rescorla wrote: > - Modern cryptographic implementations are extremely fast. For > comparison the MacBook Air I'm typing this on will do order 10^6 > HMAC-MD5s/second on 64-byte packets. So, to consume all my > resources would require order 10^8 bits per second,

Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-26 Thread Eric Rescorla
At Wed, 26 Mar 2008 13:25:20 +0100, Iljitsch van Beijnum wrote: > > On 25 mrt 2008, at 16:10, Dan Wing wrote: > > > ... > >> And yes, the issues I referred to are DoS and TCP spoofing. > >> These can only be protected against at the network level. > > > What are your thoughts on DTLS's DoS and

Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-26 Thread Iljitsch van Beijnum
On 25 mrt 2008, at 16:10, Dan Wing wrote: > ... >> And yes, the issues I referred to are DoS and TCP spoofing. >> These can only be protected against at the network level. > What are your thoughts on DTLS's DoS and spoofing protection? Looks like this is mostly similar to IPsec except that the

Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-25 Thread Ned Freed
> On 24 mrt 2008, at 18:58, Jari Arkko wrote: > > Now, if we had a proposal that turned IPsec into as easily deployable > > between random clients and known servers as TLS, I would be interested > > in a new experiment! But I did not see a proposal for that yet. Maybe > > time for that draft that

RE: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-25 Thread Dan Wing
Iljitsch van Beijnum wrote: ... > And yes, the issues I referred to are DoS and TCP spoofing. > These can only be protected against at the network level. What are your thoughts on DTLS's DoS and spoofing protection? -d ___ IETF mailing list IETF@ie

Re: TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-25 Thread Iljitsch van Beijnum
On 24 mrt 2008, at 18:58, Jari Arkko wrote: > Now, if we had a proposal that turned IPsec into as easily deployable > between random clients and known servers as TLS, I would be interested > in a new experiment! But I did not see a proposal for that yet. Maybe > time for that draft that Phillip su

TLS vs. IPsec (Was: Re: experiments in the ietf week)

2008-03-24 Thread Jari Arkko
Phillip, Iljitsch, > If you beleive that there is an attack that SSL is vulnerable to you > should bring it up in TLS. I think Iljitsch meant that TLS cannot protect against TCP vulnerabilities, such as spoofed connection resets. This is obviously well known. The upside of TLS has of course bee