On Fri, Jul 3, 2015 at 1:47 AM, Peter Saint-Andre - &yet <[email protected]> wrote:
> On 7/2/15 8:34 AM, Paul Wouters wrote: > >> On Thu, 2 Jul 2015, Viktor Dukhovni wrote: >> >> So for me, the main obstacle is still the owner-label, which is >>> the same for both OPENPGP and SMIMEA. >>> >> >> No one has given me feedback (positive or negative) on the "lowercase if >> ascii, normalise otherwise", then lookup base32/split or using hash, >> that was advised to me by some of the EAI people. >> > > What exactly do we mean by "normalise" here? I don't see anything about > normalization (in the Unicode sense) in draft-ietf-dane-openpgpkey. It's not in the draft; we were discussing this in Buenos Aires with Paul. I believe it was suggested that we use Unicode default case folding (Section 3.13 - http://www.unicode.org/versions/Unicode7.0.0/ch03.pdf#G33992 ). I'm not convinced that we should touch non-ASCII mailbox username. As for ASCII - the only well-known case for locale-sensitive mapping is the Turkish dotted/dotless i. If we lowercased capital I according to Turkish locale, we'd get U+0131 (small letter dotless i) which is not ASCII; see above. So my preference is to "lowercase if ascii, otherwise verbatim". .wil
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