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[David G. Koontz]

>It says that the commerce server supports (among others) DES and DES3 
>(same as 3DES?).  They list the key sizes as 64 and 192 bits 
>respectively.  My question is, isn't DES 56 bits?  (with an 8 bit salt 
>that would be 64 I guess), but isn't DES3 112 bits, not 192?

DES keys are specified as 64 bits, of which 8 bits provide odd parity.

The 192 bits would specify three independent keys (not triple DES)