Codes and Ciphers: Julius Caesar, the Enigma, and the Internet 代码和加密by R. F. ChurchhousePublisher: Cambridge University Press (December 6, 2001)内容介绍：本书描述和分析了许多加密系统，从最早期到最现代的、复杂的系统以及互联网环境下的加密等等The ability to convert data into a form that is readable
The Salsa20 family of stream ciphers;
Salsa20 is a family of 256-bit stream ciphers designed in 2005 and submitted to eSTREAM, the ECRYPT Stream Cipher Project. Salsa20 has progressed to the third round of eSTREAM without any changes. The 20-round st
