Coroutines or goroutines?

I have already skimmed the topic with two posts:

• Crumbs of coroutines and
• Particles of coroutines.

The next promised post should have been about the same matter, tackled using D.E.Knuth's MMIX, mainly because of the GO and PUSHGO instructions.

Something about certificates, CA, SSL and alike

Disclaimer: this article is not about security best practices nor contains advices about how to set-up a secure and trusted communication between two peers or a correct and working PKI. Its aim is to give a general picture of a broader topic, whose surface is slightly scratched by this text.