ietf-smime
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Re: UTF8 vs. Punycode

2007-08-13 13:50:58
On Aug 13, 2007, at 2:35 PM, Russ Housley wrote:


This issue was raised by my review of
http://www.ietf.org/internet-drafts/draft-ietf-smime-bfibecms-03.txt

However, I think that the issue goes beyond this document. The decision made here ought to set a precedent.

What's the risk of *not* forcing to ASCII via punycode? Leave aside flaws in unicode handling routines for the moment. In the IBE context, a sender would derive an "incorrect" public key (more correctly, a different public key) and the recipient would be unable to decrypt the message.

-- Tim



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