Re: Deniable data storage

2003-11-13 Thread John Kelsey
At 06:58 PM 11/5/03 -0800, James A. Donald wrote: I want to store information deniably. ... This would contain various items of information that one could extract by supplyin a secret, symmetric, key. A random key would extract a block of gibberish of random length There would be no indication

Re: Deniable data storage

2003-11-11 Thread Peter Fairbrother
Tarapia Tapioco wrote: > James A. Donald ([EMAIL PROTECTED]) wrote on 2003-11-06: >> I want fully deniable information storage -- information >> theoretic deniable, not merely steganographic deniable, for >> stenography can never be wholly secure. Information-theoretic deniability is impossible (

Re: Deniable data storage

2003-11-07 Thread petard
On Wed, Nov 05, 2003 at 06:58:58PM -0800, James A. Donald wrote: > -- > I want fully deniable information storage -- information > theoretic deniable, not merely steganographic deniable, for > stenography can never be wholly secure. > > So I would have a fixed sized block of data containi

Re: Deniable data storage

2003-11-06 Thread Tarapia Tapioco
James A. Donald ([EMAIL PROTECTED]) wrote on 2003-11-06: > I want fully deniable information storage -- information > theoretic deniable, not merely steganographic deniable, for > stenography can never be wholly secure. So, StegFS is not "deniable enough"? I'm not much of a theory buff, but it

Re: Deniable data storage

2003-11-06 Thread Sarad AV
hi, Keep K =Original Key P =Original Plain Text C =Original cipher text D=Dummy plain text C'=Dummy cipher text K'=Dummy key use a symmetric key encryption algorithm with a secret key 'k' over plain text 'P' to obtain cipher text 'C' Then we find k'= C (xor) D Preferably D is atleast as long

Re: Deniable data storage

2003-11-05 Thread Peter Harkins
On Wed, Nov 05, 2003 at 06:58:58PM -0800, James A. Donald wrote: > So one could store one's password list under one key, and the > location of the dead bodies under another key, and absent that key, > there would be no evidence that they key, or information hidden under > that key, existed. > >

Deniable data storage

2003-11-05 Thread James A. Donald
I want to store information deniably. So there would be a fixed sized block of data, say one megabyte, increasing by multiples of 8 as needed. This would contain various items of information that one could extract by supplyin a secret, symmetric, key. A random key would extract a block of gi

Deniable data storage

2003-11-05 Thread James A. Donald
-- I want fully deniable information storage -- information theoretic deniable, not merely steganographic deniable, for stenography can never be wholly secure. So I would have a fixed sized block of data containing a variable number of smaller secret chunks of data. A random key would