This package is a tribute to the 35 years of the publication of the collection of books "Os Karas" by the Brazilian author Pedro Bandeira.
Implementation ZENIT-POLAR substitution cipher method of encryption (GC&CS, 1944).
You can install this package from CRAN:
install.packages("tenispolaR")
Or you can install the development version from Github with devtools:
devtools::install_github("adelmofilho/tenispolaR")
This is a basic example which shows ZENIT-POLAR substitution cipher method of encryption.
x <- "orro o um psibinhe tisi er kisir: e ivorre der ceseir, e celpsisae der cisopir!"
tenispolaR::encryption(x, key_from = "polar", key_to = "tenis")
## [1] "esse e um trabalho para os karas: o avesso dos coroas, o contrario dos caretas!"