A selection of topics from the following: network security, computer security, malicious software, access control, firewall, intrusion detection systems, classical cryptography, symmetric-key encryption, DES, AES, public key cryptography, digital signature, digital certificate, message authentication, hash functions, RSA, ECC, SHA-1, SHA-256, PKI, authentication and key establishment protocols, SSL,PEM,PGP,IPSEC,IKE,E-CASH,MICROPAYEMENT,SET,电子投票,电子拍卖,智能卡等
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