Module helpers

Expand description

A set of helpers functions.

Constants§

REGULAR_ALPHABET: The 26-letter alphabet we know and love in the Western part of the world
SC_ALPHABET: Default alphabet containing A-Z plus special characters ‘/’ and ‘-’. The ‘/’ character is used as a digit escape marker in encryption.

by_n: Inserts a space every n characters in a string.
condense: Removes all duplicate characters from a string, preserving the first occurrence of each.
condense_str: Efficiently removes all duplicate characters from a string, returning a new String.
expand: Expands a byte slice by inserting ‘X’ between consecutive duplicate characters.
fix_double: Replaces consecutive identical characters by inserting a fill character between them.
fix_double_aligned: Replaces consecutive identical characters by inserting a fill character between them, but only when the duplicate pair falls on a 2-character boundary.
insert: insert one character inside the array
output_as_block: Formats a string into blocks of 5 characters separated by spaces.
shuffle: Shuffles an alphabet using a keyword to create a mixed alphabet for cipher use.
to_numeric: Converts a string key into a numeric representation based on alphabetical order.
transp_shuffle: Shuffles an alphabet using a keyword to create a mixed alphabet for cipher use.