RE: [TLS] Any advice regarding frequency of generating newDHparameters?
"Blumenthal, Uri" <uri.blumenthal@intel.com> Mon, 18 December 2006 14:06 UTC
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Subject: RE: [TLS] Any advice regarding frequency of generating newDHparameters?
Date: Mon, 18 Dec 2006 09:06:17 -0500
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Thread-Topic: [TLS] Any advice regarding frequency of generating newDHparameters?
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From: "Blumenthal, Uri" <uri.blumenthal@intel.com>
To: tls@ietf.org
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> Protocols such as IKEv2 use the same modulus (p) and generator (g) > forever (but of course generate new public/private values), since > they don't actually send the p/g values, but just the group number. Yes. Note that they offer more than one group. > IMHO it probably would make sense for a TLS implementation to use > one of the groups specified in RFC 4306 or 3526, instead of e.g. > generating a random prime p (generating random primes is kind of > slow, and then you have to worry about RFC 2785 etc.). Just one group? Or allow choosing the group like in IKE? > (Would others agree with this recommendation? Should we add it > to the TLS 1.2 spec?) Makes perfect sense to me! > -----Original Message----- > From: ext Mike [mailto:mike-list@pobox.com] > Sent: 16 December, 2006 02:56 > To: tls@ietf.org > Subject: [TLS] Any advice regarding frequency of generating > new DHparameters? > > Hi, > > I'm wondering if there is any generally accepted advice > on how long to use the same Diffie-Hellman parameters in > a TLS server. Does the answer depend on whether the > server generates a new public key from the parameters > for each new connection (mine does)? > > Thanks for any insight, > > Mike > > _______________________________________________ > TLS mailing list > TLS@lists.ietf.org > https://www1.ietf.org/mailman/listinfo/tls > _______________________________________________ TLS mailing list TLS@lists.ietf.org https://www1.ietf.org/mailman/listinfo/tls _______________________________________________ TLS mailing list TLS@lists.ietf.org https://www1.ietf.org/mailman/listinfo/tls
- RE: [TLS] Any advice regarding frequency of gener… Blumenthal, Uri
- RE: [TLS] Any advice regarding frequency of gener… Peter Williams
- Re: [TLS] Any advice regarding frequency of gener… Mike
- RE: [TLS] Any advice regarding frequency of gener… Peter Williams
- RE: [TLS] Any advice regarding frequency of gener… Peter Williams
- Re: [TLS] Any advice regarding frequency of gener… Mike
- Re: [TLS] Any advice regarding frequency of gener… Mike
- RE: [TLS] Any advice regarding frequency of gener… Peter Williams
- Re: [TLS] Any advice regarding frequency of gener… Martin Rex
- RE: [TLS] Any advice regarding frequency of gener… Peter Williams