test commit

add hamming distance function for a polynomial CRT.

fix typo

add another recoverMsg: recover message in the form of integer.

convert LEVEL as a global variable

minor fix

minor change: change the variable name

bug fix

fix typo and change the header file(s)

split the functions with authGroup.h

implement polynomial evaluation function

modify the including header files

implement some phases: enrollment, authentication and server computation

fix ZZtoZZX: change the binary polynomial

remove the unnecessary input