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Letters Extraction

Tool to extract letters from a message according to a pattern. It is possible to hide a text into another by adding parasites letters. Letters can follow a regular pattern (eg: 1 letter of 2).

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Letters Extraction -

Tag(s) : Steganography, Data processing

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Letters Extraction

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Letters Extractor from a Text










Tool to extract letters from a message according to a pattern. It is possible to hide a text into another by adding parasites letters. Letters can follow a regular pattern (eg: 1 letter of 2).

Answers to Questions

How to extract letters from a text?

Consider the message ABCDEFGHIJKLMNOPQRSTUVWXYZ, dCode offers different modes for letters extraction:

Take 1 of N letters

Example: Taking 1 of 2 letters: A-C-E-G-I-K-M-O-O-O-U-W-Y-

Example: Taking 1 of 3 letters: A--D--G--J--M--P--S--V--Y-

Extract a pattern

Example: The pattern 2,3 means to take 1 letter each 2 and 1 letter each 3: A-C--F-H--K-M--P-R--U-W--Z

Extract by mask (1 = preserved letter, 0 = letter ignored)

Example: Using the binary mask 101: A-CD-FG-IJ-LM-OP-RS-UV-XY

The patterns and masks are repeated until reaching the end of the message.

If needed, start using any letter rather than the first letter.

Example: Taking a letter of 2 (starting at position 1): A-C-E-G-I-K-M-O-O-O-U-W-Y-

Example: Taking a letter of 2 (starting at position 2): -B-D-F-H-J-L-N-P-R-T-V-X-Z

Punctuation may (or may not) be taken into account in characters count.

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Source code

dCode retains ownership of the source code of the script Letters Extraction. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, etc.) which dCode owns rights can be transferred after sales quote. So if you need to download the Letters Extraction script for offline use, for you, your company or association, see you on contact page !

Questions / Comments


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 Letters Extraction tool. Thank you.


Source : http://www.dcode.fr/letters-extraction
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