Introduction-to-Cryptography 試験問題を無料オンラインアクセス

(What is the correlation between the number of rounds and the key length used in the AES algorithm?)

• A.The number of rounds is the same regardless of the key length.
• B.The key length is the same regardless of the number of rounds.
• C.The number of rounds decreases as the key length increases.
• D.The number of rounds increases as the key length increases.

(What is modular arithmetic in cryptography?)

• A.The study of secret codes
• B.The process of encoding messages using large integers
• C.The art of deciphering messages using prime numbers
• D.A method of encrypting messages using modular operations

(Which mode of encryption converts data into a stream encryption and then uses a counter value and a nonce to encrypt the data?)

• A.Cipher Feedback (CFB)
• B.Counter (CTR)
• C.Cipher Block Chaining (CBC)
• D.Electronic Codebook (ECB)

(What is the relationship between Secure Sockets Layer (SSL) and Transport Layer Security (TLS)?)

• A.SSL is only used in email encryption.
• B.TLS replaced SSL to provide improved security.
• C.SSL is the replacement of TLS.
• D.SSL and TLS are identical in function and security.

(Which certificate encoding process is binary-based?)

• A.Rivest-Shamir-Adleman (RSA)
• B.Privacy Enhanced Mail (PEM)
• C.Public Key Infrastructure (PKI)
• D.Distinguished Encoding Rules (DER)