1.理解公钥密码算法，熟悉常用密码算法：RSA、椭圆曲线密码体制。

2.以RSA加密算法为例，掌握公钥密码算法加解密过程的实现。

-1 understand public key cryptography algorithm, familiar with the commonly used cryptographic algorithms: RSA, elliptic curve cryptosystem. (2) the RSA encryption algorithm, for example, to master public key cryptography algorithm encryption and decryption process is achieved.