James is the administrator for his organization’s symmetric key cryptographic system. He issues keys to users when the need arises. Mary and Beth recently approached him and presented a need to be able to exchange encrypted files securely. How many keys must James generate?Group of answer choicesFourThreeTwoOne

Question26Max. score: 2.00What is the minimum number of cryptographic keys required for securing two-way communication in symmetric key Cryptography?OneTwoThreeFour

Question2Max. score: 2.00If Richard wants to send an encrypted message to Sue using a public key cryptosystem, which key does he use to encrypt the message?Rishard's Public KeyRichard's Private KeySue's Public KeySue's Private key

You are creating a security product that must facilitate the exchange of symmetric encryption keys between two parties that have no way to securely exchange keys in person. What algorithm might you use to facilitate the exchange?Group of answer choicesVernamRijndaelBlowfishDiffie–Hellman

You are creating a security product that must facilitate the exchange of symmetric encryption keys between two parties that have no way to securely exchange keys in person. What algorithm might you use to facilitate the exchange?Group of answer choicesRijndaelDiffie–HellmanBlowfishVernam

If Richard wants to send an encrypted message to Sue using a public key cryptosystem, which key does he use to encrypt the message?Rishard's Public KeyRichard's Private KeySue's Public KeySue's Private key