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revision 1.99 by benja, Sun May 18 20:17:42 2003 UTC revision 1.100 by tjl, Sun May 18 20:25:00 2003 UTC
# Line 618  Tradeoffs in deterministic key boosting Line 618  Tradeoffs in deterministic key boosting
618    - biba:    - biba:
619    
620    - Reyzin subset-resilient. The security requirement,    - Reyzin subset-resilient. The security requirement,
621      for a single signature, means that      for a single signature signing 160 bits, this means that
622      `$\\log t \ge {160-\log k \over k}$`.      `$\\log t \ge {160-\log k \over k}$`.
623      A suitable choise seems to be `$t=1024$`, `$k=24$`      A suitable choise seems to be
624        `$t=308$`, `$k=91$`
625    
626      - Reyzin pure. Here, we only need the ability to sign 160 bits,
627        which we get at the cheapest (where sum of bits
628        in signature plus public key is smallest, and
629        with smallest `$t$` at
630        `$t=168$`, `$k=69$`
631    
632    - alternatively, the Reyzin theoretical construction may be used,    - alternatively, the Reyzin theoretical construction may be used,
633      where the time spent is somewhat more but security depends      where the time spent is somewhat more but security depends

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