密码学的演变历史(4 R.S.A., Abbas El Gamal, Lai Xuejia 逍 1977-1978. Ronald rivest, adi Shami, Len adleman第一次提出公 开密钥密码系统的实现方法RSA 1981,成立 nternationa Association for Cryptology Research 1985, abbas el gamal提出概率密 码系统 EIGamal方法 o 1990-1992, Lai Xuejia and James DEA. The international data Encryption Algorithm 2000, AES, Advanced Encryption Standard 2021/1/27 Cryptography and Network Security-2 8/812021/1/27 Cryptography and Network Security - 2 8/81 密码学的演变历史(4) R.S.A., Abbas El Gamal, Lai Xuejia ⚫ 1977-1978，Ronald Rivest, Adi Shamir, Len Adleman第一次提出公 开密钥密码系统的实现方法RSA ⚫ 1981，成立International Association for Cryptology Research ⚫ 1985，Abbas El Gamal提出概率密 码系统ElGamal方法 ⚫ 1990-1992，Lai Xuejia and James: IDEA, The International Data Encryption Algorithm ⚫ 2000, AES, Advanced Encryption Standard