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Creating Your Own Secure Messages – Part 2, by DaytonPrepper1

message-encryption

Yesterday we talked about how to create and use a One Time Pad. Today we will talk about another way of encoding messages. I am sure I am not creating anything new with this method, but I have not seen it before nor do I have a name for it. My working name is Word Grid Substitution. Description of the Method The heart of this method is a 25,000 word grid. The current word grid is 10×2500. I take the message to be encoded and search for the first word from a random spot in the list. When the word …

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Creating Your Own Secure Messages– Part 1, by DaytonPrepper1

message-encryption

I am an experienced programmer with a lot of time spent in Excel everyday for my paying job. East Sierra Sage’s article on Cipher Security got me thinking again about One Time Pads and other secure message techniques. I really enjoy automating things with Excel’s powerful formulas and macros. So I set off to create a tool for a One Time Pad spreadsheet that would create the One Time Pads and also encode and decode the messages being sent. How to Use a One Time Pad (OTP) You will need a Shift Chart and an OTP Chart as the basic …

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