Re: deprecate tripleDES?
Michael Ströder <[email protected]> Sat, 24 Jan 2015 10:03:09 +0100
| Newsgroups | gmane.ietf.smime |
|---|---|
| Message-ID | <[email protected]> |
Paul Hoffman wrote: > On Jan 3, 2015, at 4:32 AM, Michael Ströder <[email protected]> wrote: >> Isn't it the time to deprecate using tripleDES and add a stronger SHOULD for >> using stronger symmetric ciphers? > > Why? I have not seen any attacks on TripleDES that make it insecure. > >> The text from https://tools.ietf.org/html/rfc5751#section-2.7.1.2 is pretty >> blurry: >> >> [..] If the sending agent >> chooses not to use AES-128 in this step, it SHOULD use tripleDES. > > If there are two or more ways to interpret that sentence, we can clarify > it. I don't see more than one, but maybe I'm missing something. Lazy implementors can read this section like: "It's fine to only implement tripleDES and not support anything else forever." Ciao, Michael. _______________________________________________ smime mailing list [email protected] https://www.ietf.org/mailman/listinfo/smime
smime.p7s
(application/pkcs7-signature, 4.2 KB) - not displayed