Vigenere: Vigenere Cypher
In DescTools: Tools for Descriptive Statistics
Vigenere R Documentation
Vigenere Cypher
Description
Implements a Vigenere cypher, both encryption and decryption. The function handle keys and text of unequal length and discards non-alphabetic characters.
Usage
Vigenere(x, key = NULL, decrypt = FALSE)
Arguments
x
the text to be encrypted
key
the key to be used. If this remains to NULL the PasswordDlg will be presented and the key can be entered there.
decrypt
boolean defining if the text should be encrypted or decrypted.
Details
All characters beside charlist = c(LETTERS, letters, 0:9) will be discarded from the text and from the key.
Value
the encrypted, resp. decrypted text
Author(s)
Andri Signorell <andri@signorell.net>
strongly based on code found at https://rosettacode.org/wiki/Vigen%C3%A8re_cipher#R (credits to the unknown soldier)
Examples
key <- "My FavoriteKey452"
(xenc <- Vigenere("Beware the Jabberwock, my son! The jaws that bite, the claws that catch!", key))
Vigenere(xenc, key, decrypt = TRUE)
# note that everything besides the characters in the list will be discarded
DescTools documentation built on Sept. 26, 2024, 1:07 a.m.
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| Vigenere | R Documentation |
Vigenere Cypher
Description
Implements a Vigenere cypher, both encryption and decryption. The function handle keys and text of unequal length and discards non-alphabetic characters.
Usage
Vigenere(x, key = NULL, decrypt = FALSE)
Arguments
x |
the text to be encrypted |
key |
the key to be used. If this remains to |
decrypt |
boolean defining if the text should be encrypted or decrypted. |
Details
All characters beside charlist = c(LETTERS, letters, 0:9) will be discarded from the text and from the key.
Value
the encrypted, resp. decrypted text
Author(s)
Andri Signorell <andri@signorell.net>
strongly based on code found at https://rosettacode.org/wiki/Vigen%C3%A8re_cipher#R (credits to the unknown soldier)
Examples
key <- "My FavoriteKey452"
(xenc <- Vigenere("Beware the Jabberwock, my son! The jaws that bite, the claws that catch!", key))
Vigenere(xenc, key, decrypt = TRUE)
# note that everything besides the characters in the list will be discarded
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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