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uniquenewyork's avatar

What makes a good secret code?

Asked by uniquenewyork (295points) September 26th, 2009

Let’s say I have an idea for HOW I want the secret language to be encrypted/decrypted. What are the types of messages or words that should be included? Let’s imagine this code was going to be used to organize a group of people in secret.

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26 Answers

dpworkin's avatar

Impenetrability.

oratio's avatar

Secret language or encrypted english?

Syger's avatar

As in a password or phrase?
Or a unique language for different messages?

Jeruba's avatar

Words pertaining to meeting times and places, passwords, and identification, what to do if security is compromised, signals of danger, alert, or betrayal, information about safe houses or refuges, ways of referring to known and shared plans, ways of identifying chain of command, and, of course, “Cheese it—the cops!”

oratio's avatar

During WWII the US used Navajo indians to send codes – based on their language – in messages. It was apparently very useful during the battle Iwo Jima.

virtualist's avatar

http://www.attackprevention.com/article/PGP_for_Everyday_Use-2061.html

”...As an encryption program, PGP has become a common tool for everyday encryption and security. Its use allow for simple, easy and fairly complete verification and encryption of files and messages. There are many versions of PGP and many different tools for a wide variety of operating systems. This paper will also show briefly what PGP is, where to get PGP from and what the differences are between the versions. It will also address how to use PGP for everyday tasks such as e-mail signing and encryption along with file encryption and signature verification. This will include simple key management, verification of files and verification of signatures. A general understanding of how encryption works would be helpful, but is not required. ...”

The_Compassionate_Heretic's avatar

You cant go wrong with the secret handshake.

filmfann's avatar

@virtualist welcome to Fluther. Lurve.

filmfann's avatar

@uniquenewyork You’ve been a fluther member for a year, and you only have 58 lurve?
Are you CIA or a terrorist?

Blondesjon's avatar

Secret codes are one of the reasons peace will never be achieved among all peoples.

Secrets only hurt.

kibaxcheza's avatar

speak in ascii….

ratboy's avatar

Pig Latin is the official secret code of the NSA.

dpworkin's avatar

Yeah, but they are all pigs.

kibaxcheza's avatar

write the words with the next letter than the normal spelling

so cat becomes
dbu no one will know what its means but its quick and easy to translate…

filmfann's avatar

You are asking what kind of messages to have prepared.
A time.
A location.
Who should be there.
Should you bring the radiation suit?

evelyns_pet_zebra's avatar

@filmfann and the most important message, ‘what wine goes with baby?’

Bluefreedom's avatar

I’d present this question to the NSA. They are the ultimate masters of cryptography.

Zen's avatar

Uh, guys… @uniquenewyork has been here for a year now, and has accumulated no lurve. He/she has no one in their fluther, and hasn’t written anything about themselves. Now this question. I’m a little concerned.

YARNLADY's avatar

@Zen are you suggesting CIA – again?

evelyns_pet_zebra's avatar

@YARNLADY just because you are paranoid, that doesn’t mean that someone isn’t out to get you.

@Zen cryptic message, the eagle has landed, the feathers have been smoothed, the bird will be soon on its way to your desert lands.

uniquenewyork's avatar

Yeah, how come I have no lurve? That kinda sucks. Anyway, for a school assignment I have to create a secret code and a situation where it would be useful. I’ve decided that I am going to use Twitter for the message platform, but what I’m trying to figure out is what types of messages or phrases are useful for activists and other people that normally employ secret codes to avoid getting harassed or caught. When its done, I’ll publish it on my blog and share the link. Then maybe I’ll get my lurve! Thanks for all the responses!

Zen's avatar

IT…IS…ALIIIIIIIIIIIIVE!

Jeruba's avatar

Good point, @Zen. We should be more observant. We don’t really want to help some unknown agent organize secret cells to do who knows what unspeakable things. In any case, it can be hard to presume goodwill when a user tells us nothing about himself.

Shifting paranoia now in light of uniquenewyork’s genuine-sounding response: @uniquenewyork, you might want to be a little cautious yourself and keep in mind the general (and understandable) paranoia of authorities of all kinds. Even if this assignment wasn’t specifically designed to smoke out terrorists, we are in an environment where kids can be suspended from school for pointing a finger and saying “bang.”

Jeruba's avatar

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaahhhhhhhhhhh

thud

Blondesjon's avatar

jisd:

adsgfl dggew ger jdgiujer gkalllef rgjr ghir 34jtg9tg4 aei9a9gyojaf90vcx figjriosdljbsder.

no kidding, right?

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