Cryptography Teaching Resources & Materials
Copyright: Felix releases all original material on these pages into the public domain. For copyrights on constituent parts (e.g. wikiquote), see any licence notices on the linked download pages or within those files.
Corpus of English quotations from the English WikiQuote, monocase with spaces and punctuation removedCreation routine (i.e. how to make an updated version later)
The corpus file (41 MB, xz compressed)
Dictionary of isomorphic English words
This is a table of words which could be substitution ciphers of each other, e.g. it contains lines like:
english_isomorphic_words.txt (543 KB)