A.Private Key.私鑰 B.Symmetric Key對(duì)稱密鑰 C.Secret Key秘密密鑰 D.Asymmetric Key.非對(duì)稱密鑰
A.Transposition and Permutation.換位和置換 B.Substitution and Replacement.替代和置換 C.Transposition and Substitution.換位和替代 D.Transposition and Shift.換位和轉(zhuǎn)換
A.It encrypts data after a tickt is granted,but passwords are exchanged in plaintext.它在ticket獲得授權(quán)后對(duì)數(shù)據(jù)進(jìn)行加密,但是密碼的交換是明文方式。 B.It depends upon symmetric ciphers.它依賴于對(duì)稱加密。 C.It is a second party authentication system.它是一種第二方的認(rèn)證系統(tǒng) D.It utilizes public key cryptography.它使用公鑰密碼學(xué)。