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Showing posts with label Cryptography and Math. Show all posts
Showing posts with label Cryptography and Math. Show all posts
Thursday, July 5, 2012

New Blogger Interface and the New Google Look (Sucks!) / Android a Google product

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Hello!     Yes I know that I said in my last post that I wasn't going to post again in Blogger... I decided to post one last time beca...
Sunday, July 10, 2011

Conditional Formatting in Excel and Prime Numbers

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Numbers are cool and fun to play with in my opinion, especially Prime Numbers. I wrote about this some time ago in a post  HERE and I'v...
Saturday, October 30, 2010

MS Excel Checking Bit Positions in Bytes and other stuff...

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The other day I wanted to make a chart that showed all the numbers up to 255 sorted by the number of bits that are set to 1. Why I wanted to...
4 comments:
Sunday, October 17, 2010

Number Sequences with MS Excel Visual Basic, Prime Numbers etc...

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What is this post all about? I don't really know but it was fun to do and it is what I have been doing so this is what I am writing abo...
8 comments:
Sunday, September 12, 2010

Another Cryptographic Idea (continuing a thought)

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Another idea and this one starts back with another post that I did a long time ago. It's a short one and you can find it HERE . What I w...
2 comments:
Saturday, July 10, 2010

US Cyber Command Seal and the Secret Code (sorta)

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Recently the United States Cyber Command made the news when they announced themselves to the world and unveiled their official seal. There i...
Saturday, June 5, 2010

MS Excel DEC2BIN 32 bit, Rotate No Carry, Sub Table, XOR and Num 0's

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I use Microsoft Excel for just about everything all the time. Below is a list of some of the more offbeat things that I have done with it an...
11 comments:
Saturday, March 6, 2010

Linear Approximation Table for Cryptanalysis in MS Excel

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This post I suppose doesn't have a real purpose other than a place to put the code that I wrote to look for linear relationships in subs...
Saturday, February 20, 2010

Multiplication (more about nothing)

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I think that I mentioned in another post that I have been playing around with multiplication tables. They make neat pictures and really hand...
Sunday, January 31, 2010

Tables of various kinds... Stripping Table and a Substitution Table

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This week I would like to write about a couple of tables, the kind I am stripping paint off of and substitution tables... I'll start by ...
Monday, January 11, 2010

Difference Distribution Table (DDT) in Excel...

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It has been a few days since I have had time to post anything here on my Blog, not because I have not been doing things but I have just been...
Sunday, December 13, 2009

More Excel Fun (nothin better on a rainy day)

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Continuing in the pursuit of things I'm not very good at or understand very well, I decided to mess around a bit more with Excel and the...