Diffie-Hellman is a method for establishing a shared secret that can be used as a cryptographic key.

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Can a user verify the quality/safety of pregenerated SSH moduli parameters?

Many tutorials about how to mitigate the Logjam recommend regenerating Diffie-Hellman moduli. This is a resource intensive operation, especially for high-bit groups. This made me think if it made ...
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Q: What happened to socat?

I saw elsewhere some discussions on an error (or backdoor) in socat but find it difficult to get from the (anyway not well ordered and fairly large volume) materials the essence of what had actually ...
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How to generate DSA keypair for browserID

As a bit of a learning exercise, I'm trying to understand and implement a client for the Firefox Accounts Browser sync API. I'm up to the point where I'm trying to ask the server to give me a ...
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Any Suggestion Exchanging shared key between process via port in untrusted machine (infected my malware)?

I am trying to get shared key between Firefox extension and a java program running in same machine. I am communicating both application via socket. My assumption is that malware is running in ...
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How to verify the usage of dhaparameters configuration from command-line?

Although Qualys will happily do it for Internet-reachable systems, some of ours are on private networks. I'd like to be able to verify them all remotely. Is there a "quick" recipe -- something based ...