nullcipher

A null cipher is an encryption method where the plaintext is mixed with a
 large amount of non-cipher material (decoy).

Classical cryptography methods for words and brief phrases.
Substitution, transposition and concealment (null) ciphers are available, like
Caesar, Vigenère, Atbash, affine, simple substitution, Playfair,
rail fence, Scytale, single column, bifid, trifid, and Polybius ciphers.

Luigi Annicchiarico

ciphertext

Classical Cryptography Methods for Words and Phrases

nullcipher function

<dl><dt>phrase</dt>
<dd>Word or phrase to be decrypted</dd>
<dt>index</dt>
<dd>letter of interest for each word in the phrase. Also a pattern vector can be entered.</dd>
<dt>encrypt</dt>
<dd>Only Decryption is possible for now, but will be updated in the future</dd></dl>

Arguments

nullcipher — nullcipher

<dl>

<dt>phrase</dt>
<dd>Word or phrase to be decrypted</dd>


<dt>index</dt>
<dd>letter of interest for each word in the phrase. Also a pattern vector can be entered.</dd>


<dt>encrypt</dt>
<dd>Only Decryption is possible for now, but will be updated in the future</dd>

</dl>

nullcipher: nullcipher

Description

Usage

Value

Arguments

References

Examples