See https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html Remember that digital signature of OPC uses SHA-1 and allows nothing else. -- Regards, Makoto -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.vse.cz/pipermail/sc34wg4/attachments/20170224/dcae1d9c/attachment-0001.html>