Tag: Cryptography
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
In his first book since the bestselling Fermat’s Enigma, Simon Singh offers the first sweeping history of encryption, tracing its evolution and revealing the dramatic effects codes have had
Break the Code: Cryptography for Beginners (Dover Children’s Activity Books)
No, it’s not a message from outer space! Just read it backwards, starting from the bottom line, to discover what this specially coded message says. (The extra letter “X”