Search for a tool
Trifid Cipher

Tool to decrypt/encrypt Trifid automatically. Trifid cipher uses a triliteral alphabet which aims to replace letters by triples of three letters, generally A, B and C

Results

Trifid Cipher -

Tag(s) : Substitution Cipher

dCode and you

dCode is free and its tools are a valuable help in games, puzzles and problems to solve every day!
You have a problem, an idea for a project, a specific need and dCode can not (yet) help you? You need custom development? Contact-me!

Team dCode read all messages and answer them if you leave an email (not published). It is thanks to you that dCode has the best Trifid Cipher tool. Thank you.

# Trifid Cipher

## Trifid Cipher Encoder

Tool to decrypt/encrypt Trifid automatically. Trifid cipher uses a triliteral alphabet which aims to replace letters by triples of three letters, generally A, B and C

### How to encrypt using Trifid cipher?

Trifid cipher encryption uses a triliteral alphabet for substituting each letter by a triple.

Example: Encrypt DCODE with the alphabet A=AAA, B=AAB, C=AAC, D=ABA, etc. The crypted message is: ABA AAC BBC ABA ABB

### How to decrypt Trifid cipher?

Trifid Decryption requires to know the trileteral alphabet used in order to perform a substitution.

Example: The ciphered message ABAAACBBCABAABB have been encoded with the alphabet A=AAA, B=AAB, C=AAC, D=ABA, etc. The original plain text is DCODE.

### How to decipher Trifid without knowing the alphabet?

It is possible to transform ciphertext in mono-alphabetical substitution and apply usual methods.

### How to recognize triliteral ciphertext?

The ciphered message has 3 distinct characters equally distributed.

### What are the variants of the Trifid cipher?

Main variants involve changing the alphabet. Another possibility is to switch to characters that are not A, B and C.

### What are the most common trifid alphabets?

Base 3 (space at the end):

A B C D E F G H I AAA AAB AAC ABA ABB ABC ACA ACB ACC BAA BAB BAC BBA BBB BBC BCA BCB BCC CAA CAB CAC CBA CBB CBC CCA CCB CCC

Base 3 (space at the beginning):

 A B C D E F G H AAA AAB AAC ABA ABB ABC ACA ACB ACC BAA BAB BAC BBA BBB BBC BCA BCB BCC CAA CAB CAC CBA CBB BCB CCA CCB CCC

Frederici:

A B C D E F G H I AAB AAC ABA ABB ABC ACA ACB ACC BBA BBA BBC BAB BAA BAC BCB BCA BCC CCA CCB CAC CAA CAA CAB CBC CBA CBB

A B C D E F G H I AAC AAB ACA ACC ACB ABA ABC CAC ABB ABB CAB CAA CCA CCB CBA CBC CBB BAA CCC BAC BAB BAB BAB BCA BCC BCB

A B C D E F G H I BBA BAA BAC AAA AAC AAB ACA ACC ACB ACB ABA ABC ABB CCC CCA CCB CAA CAC CAB CBA CBC CBC CBC CBB BBB BCB

Wilkins:

A B C D E F G H I AAA AAC AAB CAA CCA CCC CBB BAA BBA BBA BBC BBB ACA ACC ACB ABA ABC ABB CBA CBC CBB CBB CAC BCA BCC BCB

### What are the 27 letters of the Triliteral Alphabet?

AAA, AAB, AAC, ABA, ABB, ABC, ACA, ACB, ACC, BAA, BAB, BAC, BBA, BBB, BBC, BCA, BCB, BCC, CAA, CAB, CAC, CBA, CBB, CBC, CCA, CCB, CCC

### When Trifid have been invented ?

The first trifid alphabet appeared between 1550 and 1650