F: {0,1}^λ → {0,1}^2λ is a secure pseudorandom generator, it says that λ is a security parameter, what does that mean?
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Thank you! It is not a homework question, I am just very new to this and not sure where to start. Any points in the right direction? :) – Nina Jan 29 '22 at 21:16
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Yes, G is secure – Nina Jan 29 '22 at 21:17
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1@kelalaka the standard security definition of a PRG doesn't let you "send" anything. – Maeher Jan 29 '22 at 21:37
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I was a bit unsure about what is meant by "send" – Nina Jan 29 '22 at 21:40
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@Maeher you are right, I should talk about a distinguisher. – kelalaka Jan 29 '22 at 21:53