If a class contains at least one pure virtual function, it is a(n) _______ class.
Fill in the blank(s) with the appropriate word(s).
abstract.
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A bank wants to store the account number of its customers (an 8-digit number) in encrypted form on magnetic stripe ATM cards. Discuss the security of the following methods for storing the account number against an attacker who can read the magnetic stripe: (1) store a cryptographic hash of the account number; (2) store the ciphertext of the account number encrypted with the bank's public key
using a public-key cryptosystem; (3) store the ciphertext of the account number encrypted with the bank's secret key using a symmetric cryptosystem. What will be an ideal response?
The _______ describes hundreds of jobs, including those in the computer field.
A. Bureau of Labor Statistics B. IT department C. web portal D. cloud