Book Ciphers

Some articles on book cipher, cipher, book, books, book ciphers:

Book Cipher
... A book cipher is a cipher in which the key is some aspect of a book or other piece of text books being common and widely available in modern times, users of book ciphers take the position that the details of the ... essential that both correspondents not only have the same book, but the same edition ... Traditionally book ciphers work by replacing words in the plaintext of a message with the location of words from the book being used ...

Famous quotes containing the word book:

    When his book opens its mouth, the author must shut his.
    Friedrich Nietzsche (1844–1900)