[UA-discuss] Public domain/MIT licensed IDN library for C

Michael Casadevall michael at casadevall.pro
Tue Jul 2 17:57:35 UTC 2019

On 7/2/19 10:12 AM, Tan Tanaka, Dennis wrote:
> Do any of these resources help?
> https://pypi.org/project/idna/
> https://www.verisign.com/en_US/channel-resources/domain-registry-products/idn-sdks/index.xhtml 

Thank you for these.

The first library is written in Python and isn't helpful unless you're
coding in Python.

I wasn't aware of the Verisign IDN SDK, but the licensing on it is
unclear. The primary license appears to be three clause BSD which is
acceptable for commercial/proprietary software, but they also have code
that appears to be licensed under GPLv2 and neither the programmers
documentation or the user guide really clarifies the situation. It
*looks* like only the Java implementation in the SDK is GNUv2 but its
very hard to tell.

Is there anyone at Verisign that can come forward and help clarify the
license situation here?
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