you are, of course, correct. The 64-byte restriction did not appear in S/38 so I ASSumed it wouldn't be there for the AS/400, but it is. My guess: IBM want you to purchase their cryptographic support and not use CIPHER to do it so the DES function has been deliberately crippled. Maybe this was necessary to obtain an export license for the microcode? > -----Original Message----- > From: Gene_Gaunt/ReviewWorks@reviewworks.com > [SMTP:Gene_Gaunt/ReviewWorks@reviewworks.com] > Sent: Wednesday, January 05, 2000 1:58 PM > To: MI400@midrange.com > Subject: RE: cipher length > > CIPHER source lengths over 64 generate MCH5601, > "Template value not valid". > > Calculating sixteen 48-bit subkeys adds some overhead when > DES starts; why not do this once and let source length run long? > +--- | This is the MI Programmers Mailing List! | To submit a new message, send your mail to MI400@midrange.com. | To subscribe to this list send email to MI400-SUB@midrange.com. | To unsubscribe from this list send email to MI400-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: email@example.com +---
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