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revision 1.49 by tjl, Sat May 17 19:04:02 2003 UTC revision 1.50 by tjl, Sat May 17 19:07:39 2003 UTC
# Line 27  and the algorithm for choosing which pri Line 27  and the algorithm for choosing which pri
27    
28  On a theoretical level, our scheme allows the construction  On a theoretical level, our scheme allows the construction
29  of a feasible algorithm with the full digital signature feature  of a feasible algorithm with the full digital signature feature
30  set without using a trapdoor function.  set without using a trapdoor function, i.e. without
31    relying on
32    number-theoretic assumptions such as the hardness
33    of factoring or discrete logs.
34    
 Our scheme has applications in long-term digital publishing.  
 Unlike signature schemes like RSA and DSA, it does not  
 rely on number-theoretic assumptions like the hardness  
 of factoring or discrete logs, areas in which substantial  
 cryptoanalytical improvements continue to be made.  
35  As long as the random oracle, used to generate the new private keys  As long as the random oracle, used to generate the new private keys
36  and to implement the one-time signatures,  and to implement the one-time signatures,
37  isn't broken, an exhaustive  isn't broken, an exhaustive
# Line 315  Shorter signatures Line 313  Shorter signatures
313    it *is* possible to    it *is* possible to
314    revoke only that leaf, not the whole key.    revoke only that leaf, not the whole key.
315    
 Applicability to Digital Publishing  
 ===================================  
   
 In long-term digital publishing, the time limits on normal digital signatures  
 are  
   
 foo  
   
316  Conclusion  Conclusion
317  ==========  ==========
318    
319  - key idea: using the deterministic bit string for each privkey  - key idea: using the deterministic bit string for each privkey
320    
321    In long-term digital publishing, the time limits on normal digital signatures
322    are
323    
324  foo  foo
325    
326  .. bibliography:: gzigzag  .. bibliography:: gzigzag

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