AES and Combined Encryption/Authentication Modes 1. AES Released: 19 June 2006 Updated on 22nd November 2006: Minor portability improvements Updated on 2nd March 2007: Add support for Structured Exception Handling (SEH) in x64 assembler code Updated on 16th April 2007: Correct errors in a Visual Studio build project, some code improvements, no bug fixes Updated 17th January 2008