Create Easy and Tough to Break Substitution Codes

Have you ever wondered how to create a variety of secret messages(or codes)?

In this article you will find out how to communicate Easy- and Tough-to-Break Substitution Codes. You will also find helpful tips on variations of the codes listed, and other neat little tricks on secret writing. Whether you just want to impress and baffle your friends with your own secret message, or you are seriously considering a career in Codes and Encryption, or you just want to learn a little bit about secret writing and secret languages, this article will be worth reading.

Steps

Sample Coded Paragraphs

Doc:Augustus Code Paragraph

Creating Your Own Code

  1. Easy- and Tough-to-Break Substitution Codes: AUGUSTUS'S CODE, KEY-NUMBER CODE, KEY-WORD CODE, CRISSCROSS CODE, BACON'S ABC CODE, and THE NIHILIST NUMBER CODE.
  2. AUGUSTUS'S CODE: just substitute the next letter of the alphabet for the original one. A became B, B became C, and so on right to the end of the line where Z became A.
  3. ABCDEFGHIJKLMNOPQRSTUVWXYZ
  4. BCDEFGHIJKLMNOPQRSTUVWXYZA
  5. In Augustus's code, Attack at dawn, would be: Buubdl bu ebxo.
  6. KEY-NUMBER CODE: choose a number like 31 or 42 or 58 or whatever. Let's say you use 31 as your key number. This means the first letter of your secret message is written three letters higher in the alphabet. The second letter of your message is written one letter higher in the alphabet.
  7. In the Key-Number code, Attack at dawn, would be: Duwbfl du gbzo(using 31 as your key-number).
  8. KEY-WORD CODE: think of a word of five or more letters in which no letter is used more than once. Let's say it's death. Write it down, then follow it with the letters of the alphabet that are not in the key word.
  9. DEATHBCFGIJKL
  10. MNOPQRSUVWXYZ
  11. Just use the letter above or below the actual letter in your message.
  12. In the Key-Word code, Meet me after school, would be: Dnnp dn nupnb csqaaz
  13. CRISSCROSS CODE: a letter can be substituted for a great number of letters.
  14. AB CD EF GH IJZ
  15. A B C D E KLM
  16. F G H I J NOP
  17. K L M N O QRS
  18. P Q R S T TUV
  19. U V W X Y-ZWXY
  20. The letter A can be changed into any one of a dozen two-letter combinations. Since AB is above it and KLM to the far right of it, using one letter form each group, A can become: AK, AL, AM, KA, LA, MA, BK, BL, BM, KB, LB, or MB. Take your choice!The letter O(as well as the other letters in the vertical column at the far right) has even more possibilities, since it has IJZ above it, and QRS to the right of it. It can be changed into eighteen two-letter combinations: IQ, IR, IS, RI, SI, JQ, JR, JS, QJ, RJ, SJ, ZQ, ZR, ZS, QZ, RZ, or SZ.In the Crisscross code, Meet me at noon, could be coded in more ways than any of us would like to count. But here's one way: Erilmjuj fsjl lbvi shjrqiqg.
  21. BACON'S ABC CODE:
  22. AA BB CC AB AC BC CB CA
  23. A a b c d e f g h
  24. B i j-k l m n o p q
  25. C r s t u v w x y-z
  26. In Bacon's ABC code, I think you're swell, would come out similar to the Crisscross code. Remember, the far left column, then the top row. Like before, there are many combinations. One combination for: I think you're swell, would be: BAA, CCC, ACA, BAA, CCA, BBC, CAB, CAA, AAC, CBB, CBC, AAC, BCC, BCC.
  27. THE NIHILIST NUMBER CODE:
  28. 1 2 3 4 5
  29. A B C D E
  30. F G HI-JK
  31. L M N O P
  32. Q R S T U
  33. V W X Y Z
  34. Let's use the key word CAT(the length of the word doesn't much matter).
  35. In the message, Down with the Czar, it would be written out this way with the key word repeated underneath it:
  36. Message: Down with the Czar
  37. Key word:CATC ATCA TCA TCAT
  38. The first letter to be coded is D. In the square, D equals 14. The key-word C, beneath it, equals 13. When you add the two together they came up with the number 27-the first number of the coded message.In the Nihilist Number code, Down with the Czar, would be: 27 45 96 46 63 68
  39. 88 36 26 57 68 22 86
  40. Prisoner's Code:
  41. 1 2 3 4 5
  42. A B C D E
  43. F G HI-JK
  44. L M N O P
  45. Q R S T U
  46. V W X Y Z
  47. Suppose you wanted to tap out "Hello" to someone. First you found the letter H on your checkerboard. To the left of it was the number 2. Above it was the number 3. So you tapped twice, paused, and tapped three times. That zeroed your friend in on the letter H-located in the second horizontal row and the third vertical row. Continue this process to form words by tapping letter combinations. In the Prisoner's code, HELLO, would be: 2 taps, pause, 3 taps, pause, 1 tap, pause, 5 taps, pause, 3 taps, pause, 1 tap, pause, 3 taps, pause, 1 tap, pause, 3 taps, pause, and 4 taps
  48. Now off of a game, is the Saurian language:
  49. Saurian...A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # English...U R S T O V W X A Z B C M D E F G H J K I L N P 0 Q
  50.  The English letter y is the number zero in Saurian.
  51.  Proper nouns should remain unchanged when converting.
  52. Now proper names can be changed but put \ / around them then convert so people know it's a proper noun, that is if you want them to know. That's all.

Tips

  • If you have a typewriter around your house, here's another way you could send the PRISONER'S CODE. In the box for PRISONER'S CODE, you can substitute a comma for 1, a semicolon for 2, a colon for 3, a period for 4, and an apostrophe for 5.
    • Now the message Meet me later comes out :;,','..:;,':,,,..,'.; Even a supersnoop would have a tough time with that, typed or written.
  • If you want to write in invisible ink (yes, it is possible), just dissolve sugar in water, dip a pen into it, then write a message. In a few seconds the "ink" will dry up and disappear from sight. To reveal the message, heat the paper with a match and the message will reappear.
  • The PRISONER'S CODE can also be written. You could translate 321515443215311144152 to taps. The taps would spell out the words MEET ME LATER.
  • To fool any hot code breaker on BACON'S ABC CODE, get rid of the commas, or replace them with any letters of the alphabet that come to mind-except A,B, or C. Then you'll come up with something like this: BAAGCCCNACADBAARBACKBBBZCCANBBCVCABLCAAQAACRCBBOCBCKAACSBCCTBCC.
  • Bacon's rules for code making is the best rules there is:
    • 1. That it be not laborious to write and read.
    • 2. That it be impossible to decipher.
    • 3. That, in some cases, it be without suspicion.
  • Another way of doing a key-word code is to write out the alphabet from A to Z and under it write a key word and the remaining letters of the alphabet. Since key word has no repeated letters, let's use it.
    • ABCDEFFHIJKLMNOPQRSTUVWXYZ
    • KEYWORDABCFGHIJLMNPQSTUVXZ
    • Now, Meet me after school becomes Hooq ho krgon pyajjg. This variation is more difficult to crack but it takes longer to set in code.
  • Don't be discouraged if you can't remember how to encode or decipher a message. As for almost anything else, practice makes perfect.
  • A variation to the PRISONER'S CODE is blinking. Instead of tapping, blink. You could also even wave your arms if you wanted to. The possibilities are endless!
  • Memorize your code so you don't have to write it down on a sheet and so it won't take as long to write your note.
  • If you want to save space, and make the BACON'S ABC CODE even more confusing than before, try this:
    • Let A equal > a greater than sign
    • Let B equal = an equal sign
    • Let C equal < a less than sign
    • In this way, for instance, the word dog becomes >>= ==< ><= standing for AAB, BBC, ACB.
    • There are plenty of variations like the one above for the BACON'S ABC CODE. Who says you can only assign greater than signs, equal signs, and less than signs to A, B, and C? Be creative.
  • You can make the crisscross code even tougher to crack by running all the letters together. But then you must remember to use a double letter as a space between words. Now, Meet me at noon could could be: Erilmjujfffsjlpplbviaashjrqiqg. The letters plugged in were ff, pp, and aa.

Warnings

  • Remember, always keep a moral center when writing codes.
  • Determined code-breakers will look for one-letter words or well-used words first, such as "i", "a", and "the". Add something extra to make it difficult to crack!
  • Beware if you have a teacher that knows codes because if he/she catches you passing a note in class he/she might be able to decipher it.
  • Never write codes for criminal use.
  • Do not spread rumors about someone using codes at school.
  • Do not use codes to cheat on a test; it's not worth the risk of punishment.

Things You'll Need

  • Something to write with.
  • Something to write on.
  • A person to communicate with(optional).
  • A typewriter(optional).

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