[DOWNLOAD] "Hand Encryption" by John C Livingstone # Book PDF Kindle ePub Free
eBook details
- Title: Hand Encryption
- Author : John C Livingstone
- Release Date : January 21, 2013
- Genre: Reference,Books,
- Pages : * pages
- Size : 55 KB
Description
Descriptions of four ciphers for encryption using pen and paper, easy to implement and reasonably secure.