My ventilation ducts will be too small to crawl through.
Encoding and Decoding On a tab called Convert, I have a cell to type in the message I want to encode. Below that I have a cell that will be filled in with the results of the encoding. Several cells below that, I have a cell to put in an encoded message that was received from your contact and below that a cell that will show the results after it is decoded.
Example So in this example, I have Essay on opsec in www. The macro does several things. Before encoding starts, it: It is decoded and the results placed into cell C9 as well as copied into the conversation area. Note about Use of Spaces Programming Note: I do not allow spaces in the Shift or OTP charts, but I was expecting the user to use spaces between words as they typed their message.
Likewise, after decoding has taken place, I substitute all underscores with spaces to show the original message. They can be created, printed, and used in a manual way without the aid of a computer.
I created this spreadsheet, however, for more of a base station role that might have the aid of a computer. Security Concerns This now brings to mind many suggestions that I am sure we are all thinking about, like that the computer should be air gapped with no way for it to get an Internet connection and many other security concerns.
I will allow you to figure those out or read the many suggestions that will come in from the comments section. How to Get Message to Contact So how do you get the message to your contact s?
You could send them over the Internet with a separate computer via text message or email, via radio though there can be no coded message over Ham radio until the SHTFdead drop, Morse code, et cetera.
Extra Bells and Whistles I have also created a way for multiple conversations to take place in the same spreadsheet. I have a drop down in cell A14 that allows me to select which contact that this conversation will be with and what OTP Chart will be used for encoding or decoding. Watch Outs and Suggestions Use as few words as possible Do not try to use full sentences or necessarily proper sentence structure Do not use punctuation unless absolutely necessary.
Messages have to be processed in the order they were sent and received. Do not create a new message until you have processed all received messages. I hope this inspires you to create something like this. I have really enjoyed creating this spreadsheet.
I look forward to reading your comments. I am sure there will be suggestions for making it better and more secure. These have hammer forged, chrome-lined barrels and a hard case, to go with your own AR lower. It will allow any standard AR-type rifle to have a quick change barrel.
This can be assembled in less than one minute without the use of any tools.This article is written like a personal reflection, personal essay, or argumentative essay that states a Wikipedia editor's personal feelings or presents an original argument about a topic.
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The Evil Overlord List: The original Top Things I'd . Upper receiver kits for M16A5s would be carried in motor driven unit vehicles not Soldier's backs. However, carrying around a 9 pound AKM is heavier than a M16A5 upper receiver, lower receiver adapter and magazines (5 pounds).
As we have seen in the United States in vibrant real time over the last several years, the media have become a battleground for the powerful to fight it out with the goal of altering public.
The process of OPSEC There is a process to OPSEC as well the subjects that are covered are identification of critical information, analysis of threats, analysis of vulnerabilities, assessment of risk, an application of appropriate OPSEC measures and assessment of insider knowledge.
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.