Re: Unicode domain names issue (Encrypting a "fake" domain name)

Justin Dolske <[email protected]> Thu, 20 Apr 2017 16:59:45 -0700
Newsgroups gmane.comp.mozilla.security
Organization Mozilla Corporation
Message-ID <[email protected]>
On 4/20/17 2:54 AM, Gervase Markham wrote:
> On 20/04/17 02:56, Boris Zbarsky wrote:
>> On 4/19/17 8:40 PM, Justin Dolske wrote:
>>> When visiting a page, compute the normalized version domain
>>
>> Normalized in what sense?
>
> Presumably, in a "fold it to a canonical form using (the subset used in
> IDN of) ftp://ftp.unicode.org/Public/security/latest/confusables.txt" sense.

Correct. To be more concrete, with the simple case of apple.com (real) 
vs аррӏе.com (spoof): both "normalize" to apple.com (plain ascii). If 
that's in the user's history, the spoofed domain would be displayed as 
xn--80ak6aa92e.com.

Justin
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