Tool to decrypt/encrypt ext with SMS phone Tap mode. Multi-tap (or ABC code) is an input text method used in mobile phones to type text on a keyboard with reduced number of keys. With new smartphones, this mode has become obsolete and is often used as simplistic cipher.
Multi-tap Cipher (SMS Mode ABC) - dCode
Tag(s) : Telecom, Polygrammic Cipher
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Multi-tap Cipher (SMS Mode ABC)
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Multi-tap Decoder/Translator
Multi-tap Encoder/Translator
Tool to decrypt/encrypt ext with SMS phone Tap mode. Multi-tap (or ABC code) is an input text method used in mobile phones to type text on a keyboard with reduced number of keys. With new smartphones, this mode has become obsolete and is often used as simplistic cipher.
Answers to Questions
How to encrypt using Multitap cipher?
Encryption replaces a letter by repeated digits defined by the corresponding key code on a mobile phone.
Example: DCODE becomes 3222666333
How to decrypt Multitap cipher?
Decryption requires a dictionary, it tests all possibilities and gives back only the one existing in a dictionary
Example: 2222 = AAAA or AAB or ABA or AC or BAA or BB or CA
How to recognize Multitap ciphertext?
The ciphered message is made of digits often repeated, between 1 and 3 times, there a few or none 1 or 0.
What are the variants of the Multi-tap cipher?
A code such as 222 can be written 2*3, 2^3 or 23.
It is possible to cipher a message twice
Example: PHONE = 7446666633 = PGGMMMMMDD
Mobile phones have other typing techniques, such as T9 predictive text.
When Multi-tap have been invented?
The first patent is from 1985.
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Source code
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