B. 81-85 題 In the realm of cybersecurity, encryption plays a crucial
role in securing sensitive data and ensuring privacy. Encryption
is a process of encoding information __81__ it can only be
accessed by authorized parties. It involves using cryptographic
algorithms to convert plaintext data into ciphertext. The
ciphertext can then be decrypted back into its original form by
those who possess the appropriate decryption key. Encryption is
widely used in various applications, including online
communication, financial transactions, and data storage __82__
it provides a layer of protection against unauthorized access and
interception. One __83__ encryption method is the Advanced
Encryption Standard (AES), which is widely regarded as a
secure and efficient algorithm. AES operates on blocks of data
and utilizes a symmetric key approach, __84__ the same key is
employed for both encryption and decryption. __85__
encryption technique is asymmetric encryption, which uses a
pair of keys: a public key and a private key. The public key is
used for encryption, while the private key is kept secret and
used for decryption.
【題組】82.
(A) while
(B) because
(C)instead
(D) although