An attacker is trying to crack an encryption scheme in order to discover secret information. The attacker is able to get his own plaintext messages encrypted by the same mechanism used to protect the secret information he is trying to obtain. This method of attack is known as:
a. Chosen plaintext attack
b. Chosen ciphertext attack
c. Cryptanalysis
d. Man in the middle
a. Chosen plaintext attack
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Answer the following statements true (T) or false (F)
1. If p1 is an integer pointer variable, with the value of 1000, p1++ changes P1 to point to the memory location 1001. 2. When you return a dynamic array to the freestore, you must include the number of elements in the array. 3. You can assign an array to a pointer variable. 4. The size of dynamic arrays must be declared at compile time. 5. int *p1; declares a static variable.
____________ have the following properties: 1. a = b (mod n) if n| (a - b) 2. a = b (mod n) implies b = a (mod n) 3. a = b (mod n) and b = c (mod n) imply a = c (mod n)
Fill in the blank(s) with the appropriate word(s).
The table below provides osme sample data for an agency called Hotel Services supplies part- time/temporary staff to hotels within Strathclyde region. The relation in Figure 2 lists the number of hours worked by each staff at various hotels. The relation is first normal form (1NF). Assuming that a contract is for one hotel only but a staff may work in more than one hotel on different contracts,
identify the functional dependencies represented by the data in this relation. What will be an ideal response?
____ is a form of social engineering whereby an intruder pretends to be a legitimate entity and contacts unwary users asking them to reconfirm their personal and/or financial information.
A. Spoofing B. Phishing C. Impersonating D. Acting