On 03/13/2011 09:21 PM, Jonathan Ely wrote: > I apologise in advance if this is a stupid question to ask now or if > people already asked it before I stepped on the scene, but which > algorithm is more secure: DSA and EL GAMAL or RSA? I know the latter has > undergone a ridiculous amount of scrutiny and is immensely popular. I > also know it generates longer keys.
http://rdist.root.org/2010/11/19/dsa-requirements-for-random-k-value/ Fortunately, GnuPG ships with good PRNG support, so the value for k can be guaranteed to be "random enough" to hold the security of DSA in place. However, DSA is fragile enough that if for any reason, your PRNG doesn't generate a good k, the private key can be generated. RSA, afaict, doesn't suffer from this. -- . o . o . o . . o o . . . o . . . o . o o o . o . o o . . o o o o . o . . o o o o . o o o
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