[Cryptography] Missing symbol annoyance with unicode technical standard.

[Dirk-Willem van Gulik]

> On 17 Dec 2024, at 18:23, Patrick Chkoreff <pc at fexl.com> wrote:
> 
> On 12/16/24 7:48 PM, Ray Dillinger wrote:
>> I have longstanding annoyance with the many, many different facets of the Unicode standard's infamous, disastrous ability to form sequences of codepoints that look exactly like other, different sequences of codepoints.  But today I found a completely new, different, far more easily mended and far less important reason to be annoyed with it.
>> In designing a text UI for an application where the users actually do some key management, it would be nice if unicode had a "keyhole" icon, distinct from the various "lock" icons.
> 
> Wow you're right.  All I could find even loosely related were:
> 
> U+26BF SQUARED KEY (parental lock)
> U+1F50F LOCK WITH INK PEN
>    (^^ strangely)
> U+1F510 CLOSED LOCK WITH KEY
> U+1F511 KEY
> U+1F5DD OLD KEY
> 
> The LOCK codes do include a "hole" in the lock (of course), but not what you're looking for.  There are some "hole" related entries, like generic hole and golf course hole, but that's about it.

I've used these:

	U+233D APL FUNCTIONAL SYMBOL CIRCLE STILE
	U+A1E5 YI SYLLABLE GAP

at times as a keyhole - but it depends a bit on the font as to how suitable they are. E.g. while it is usually https://www.compart.com/en/unicode/U+233D - it can be as far off as https://symbl.cc/en/233D/.

Dw.