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A prime number is an integer greater than 1 with no divisors other than itself and 1. Primes and prime products play an important role in public key cryptography.
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Safety of using GPG's libgcrypt prime generation for generating ephemeral Diffie-Hellman pri...
My company wants to generate new primes for every Diffie-Hellman key exchange. We are thinking of using the prime generation scheme in GPG’s libgcrypt library.
The code documentation says that the …
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Nothing Up My Sleeve Lim-Lee Primes
A few days ago I asked a question about the security of the Lim-Lee Prime Generation algorithm used by GNU Privacy Guard’s libgcrypt library. L. Carvalho provided a good answer to that question.
A …
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NIST Diffie-Hellman prime: how was it picked? Where did it come from?
This particular prime has been widely used in implementations of the Internet Key Exchange Protocol (IKE) and commonly referred to as Group 5. Group 5 has been in many devices for over a decade. Dep …