On Fri, 31 May 2002, shane wrote:

> On Friday 31 May 2002 11:26 am, daRcmaTTeR did speak unto the huddled 
> masses, saying:
> 
> > On Fri, 31 May 2002, Miark wrote:
> > > I'm sure the NSA could crack any PGP e-mail in a minute or two
> > > if they wanted to.
> > >
> > > Miark
> >
> > i'm quite sure you're correct.
> 
> i doubt that.  it is simply a matter of raw math.  
> http://senderek.de/security/secret-key.protection.html
> 
> in short if they had a super computer than can only be imagined today (not 
> built) it would take hundreds of years to guess a key.
> 
> or to quote another page:
> 
> To recover a particular (128 bit) key, one must, on average, search half the 
> keyspace. That is 127 bits: 
> 
> 170,141,183,460,469,231,731,687,303715,884,105,728. 
> 
> If you had 1,000,000,000 machines that could try 1,000,000,000 keys/sec, it 
> would still take all these machines longer than the universe as we know it 
> has existed and then some, to find the key. IDEA, as far as present 
> technology is concerned, is not vulnerable to brute-force attack, pure and 
> simple.
> 
> the key size i use (again only once in awhile, but i use it) will take 
> 300,000,000,000,000,000,000 MIPS-years to factor.  let them break that in 
> 2-3 minutes.
> 
> as for backdoors, do you think they could do that to an open source project?  
> nobody would notice?  nah.....
 
good point shane! I feel better now. 

-- 
Mark
a.k.a. daRcmaTTeR
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