On Monday, June 23, 2003, at 11:45 AM, Dar Scott wrote:
On Monday, June 23, 2003, at 12:19 PM, Mark Brownell wrote:
the -1 is in regards to the bitAnd part of the f function's S-boxes.
f = S1[a] + S2[b] f = bitXor( f , S3[c] ) f = bitAnd( f + S4[d], -1 )
Yeah, replace that last bitAnd with a mod 2^32.
I'm tempted to get that highly recommended book that you referenced.
You will see that my final one line for above turns out to read just like the line in the book.
If you have a reference you prefer, I'm willing to let you buy me a copy of that! But if you don't do that and you can afford it, get Schneier. It will help in clarifying your thoughts and in communicating with people like me. It covers Blowfish, block ciphers in general, and Freistel networks in general. It even has C code for Blowfish.
Dar Scott
Hi Dar,
I wish I was on this list long enough to know how you might take a joke.
If you have a reference you prefer, I'm willing to let you buy me a copy of that!
My normal response would be that I would be tempted to get you a book on how to dress for major geeks. :-) Only your friends would know for sure. Anyway...
You have been so helpful that I'm going to give you a free publisher's addition of MTML 3.0 e-Book and Article reader when I get it done. It supports the free to distribute MTML 3.0 Study tool e-Book and Article reader. I hope that you will use it to publish a book on using Rev. If you are to busy to learn a new markup-language then I would be happy to configure any book you wish to write for publishing in this format.
I'm so jazzed about the speed modifications that I might be able to skip using Valentina as a back end for publishing in the study tool format. A faster encryption process was a user issue. I already have a string based database engine (think XML database with a pull parser for selective query) for MTML that is fast enough even for books that are larger than 2 megabytes. (a 300 page 6 x 9 paperback tends to run around a little less than 400 kbts.)
Thanks for your help,
Mark
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