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

A.Repetitive encryption obscures any repeated patterns that may have been present in the plaintext.反復(fù)加密以掩蓋任何可能在明文出現(xiàn)的重復(fù)模式
B.The previous DES output is used as input.之前的DES加密輸出被用來作為輸入
C.Individual characters are encoded by combining output from earlier encryption routines with plaintext.單個(gè)字符從之前明文加密程序的結(jié)合輸出來進(jìn)行編碼
D.A given block of plaintext and a given key will always produce the same ciphertext.一個(gè)給定的明文和一個(gè)給定的密鑰將總是產(chǎn)生相同的密文。