Data on confusables
Gervase Markham
gerv at mozilla.org
Tue Jul 28 12:06:19 CEST 2009
On 27/07/09 21:26, Mark Davis ⌛ wrote:
> I don't have a count of domain names. The figures I gave do part of what
> you are asking for:
>
> A. characters allowed by IDNA2008 that are confusable with /at least
> one/ other character allowed by IDNA2008
>
> B. characters allowed by IDNA200*3* that are confusable with /at least/
> one other character allowed by IDNA200*3* (/and/ not in A)
Forgive me, but I'm having trouble relating these two definitions to the
numbers in your original post. Could you tell me the values of A and B?
> I'm showing no additional characters in that group; that is, any
> PVALID2008 character with a confusable in PVALID2003 also has a
> confusable in PVALID2008. (The number of other characters that each
> could be confused with does grow, but that doesn't change whether or not
> they can be spoofed.)
OK, that's interesting. It does reinforce the point that registry policy
still has a large part to play; what we've done is made it easier for
registries to formulate that policy because they have to consider fewer
characters.
Gerv
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