Our website is made possible by displaying online advertisements to our visitors.
Please consider supporting us by disabling your ad blocker.

Responsive image

Codebook

U.S. State Department code book issued in 1899, an example of a one-part code, at the National Cryptologic Museum
Page 187 of the State Department 1899 code book, a one-part code with a choice of code word or numeric ciphertext. Numeric codes are prefixed by the page number.

A codebook is a type of document used for gathering and storing cryptography codes. Originally, codebooks were often literally books, but today "codebook" is a byword for the complete record of a series of codes, regardless of physical format.


Previous Page Next Page






Číselník Czech Codebuch German کتاب کد FA Livre-code French Buku kode ID Libro codice Italian Книга коду (Класифікатор) Ukrainian 編碼簿 Chinese

Responsive image

Responsive image