Please update Bouncy Castle

[Neustradamus]

Please update Bouncy Castle:

• https://www.bouncycastle.org/
• https://www.bouncycastle.org/releasenotes.html
• http://www.bouncycastle.org/latest_releases.html
• https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=bouncy%20castle
• https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=bouncycastle
• https://www.cvedetails.com/vulnerability-list/vendor_id-7637/Bouncycastle.html

[ligi]

I think this is a duplicate of #74

[bitgamma]

closing as duplicate of #74