A.Blowfish cryptography.Blowfish加密 B.PublicKey cryptography.公鑰加密 C.ElGamal cryptography.ElGamal加密 D.SecretKey cryptography.秘密密鑰加密
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