[Patch] internatinal domain names for email addresses

[Thomas Kuehne]

David Shaw wrote:
| On Wed, Jan 05, 2005 at 09:39:57AM +0100, Werner Koch wrote:
|
|>On Wed, 05 Jan 2005 06:19:16 +0100, Thomas Kuehne said:
|>
|>
|>>The attached patch against gnupg-1.4.0 enables internatinal domain
|>>names in the UID generation.
|>
|>Using rfc822 mailbox format in the user IDs is merely a suggestion and
|>not required.  It is out of GnuPG's scope to handle this.  A frontend
|>might do so but GnuPG won't - mainly for reasons of complexity.

| Plus, the user ID string is already UTF8.  Is there any need to encode
| it further in punycode?

The problem are the domain names:

1) Current gpg rejects non-ASCI domains.
"HKP fetch error: bad URI"
"Not a valid email address"

2) Host selection/comparison fail.
中文.idn.kuehne.cn == xn--fiq228c.idn.kuehne.cn
maß.idn.kuehne.cn == mass.idn.kuehne.cn

Thomas