XPost: alt.privacy, sci.crypt   
   From: heremypants@hushmail.com   
      
   On Fri, 11 Feb 2011 13:33:07 -0600, Jeffrey Goldberg wrote:   
      
   > On 11-02-11 1:08 AM, DasFox wrote:   
   >   
   >>>> Yet it is still possible for someone who doesn't have the gift of   
   >>>> Parseltongue to fake it well enough to authenticate, as Ron did in   
   >>>> Deathly Hallows.   
   >   
   >> Ron was BRUTE FORCING the Chamber Of Secrets...Tech says "Yes"...   
   >   
   > I would think that someone with technical knowledge of cryptography   
   > would know the difference between a brute force attack and a replay   
   > attack.  Ron may have needed several attempts at the replay attack, but   
   > the essence was a replay, not brute force.   
      
   Is not a replay attack requirement that there be some style of capture   
   of the attacking mechanism (in this case specific Parseltongue from   
   Harry)? Ron was performing a mimicry, hissing sounds and tones   
   randomly but within a set of Parseltongue sounds he had to choose   
   from.   
      
   Sounds much like a brute force, dictionary-like attack to me. ;)   
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