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[Discuss] How do I add entropy?
- Subject: [Discuss] How do I add entropy?
- From: bill at horne.net (Bill Horne)
- Date: Sat, 06 Sep 2014 16:00:30 -0400
... other than by asking a question that some will think should be researched on-line? ;-) With the key signing coming up, I set out to generate a brand new, 4096-bit RSA key. However, GPG says I need more entropy, and suggests I do other things on the system to get it. Google wasn't helpful: I don't know if the solutions proposed (copy /dev/random to /dev/null, for example) will remove more entropy than they add. So, my questions: 1. What can I do to help it along, without degrading the quality or quantity of randomness my machine has on file right now? 2. Does "doing other things" on the system contribute to the entropy pool? In other words, does Linux acquire randomness by monitoring the time between keystrokes or mouse movements or similar "normal" events? In other words, how does Linux gather entropy for the use of applications such as GPG? Thanks for your help. Bill -- Bill Horne William Warren Consulting 339-364-8487
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