A.AC equipment 交流電源設(shè)備
B.Natural causes 自然原因
C.Electrical distribution systems 配電系統(tǒng)
D.Heating systems 供熱系統(tǒng)

A.Use of software encryption assisted by a hardware encryption accelerator.使用由硬件加密加速器協(xié)助的軟件加密
B.Use of the recipient’s public key for encryption and decryption based on the recipient’s private key.使用接受方的公鑰進(jìn)行加密以及使用接受者的私鑰既你想那個(gè)解密
C.Use of public key encryption to secure a secret key，and message encryption using the secret key.使用公鑰加密來加密秘密會(huì)話密鑰，并且使用秘密會(huì)話密鑰來加密信息
D.Use of elliptic curve encryption.使用橢圓曲線加密