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Re: Phil Zimmermann's suggestion for large ciphers

1999-04-13 08:22:12
"Werner" == Werner Koch <wk(_at_)isil(_dot_)d(_dot_)shuttle(_dot_)de> 

 Werner> uri <uri(_at_)watson(_dot_)ibm(_dot_)com> writes:
So? Compared to cost of one RSA or DSA operation, one SHA-1 is
negligible.  Who cares?

 Werner> Hashing 700 Mges takes a while and sometimes conventional
 Werner> only encryption is used. 

True, but compared to conventional crypto SHA-1 is still a small
component.   I've measured it at 4-5 times the speed of single DES.