Re: DH: safe prime issue

2011-03-30 Thread Wim Lewis
On 30 Mar 2011, at 6:19 AM, ikuzar wrote: > I 'd like to know if it is a security issue when p ( a DH param ) is not a > safe prime ? > is it more easier to attack DH algorithm with a non safe prime ... ? Yes. If p-1 does not have large factors, then it is easier to compute the discrete logarith

DH: safe prime issue

2011-03-30 Thread ikuzar
Hi, I 'd like to know if it is a security issue when p ( a DH param ) is not a safe prime ? is it more easier to attack DH algorithm with a non safe prime ... ? Thanks for your help