What is AES and why is AES a better encryption method to use compared to DES?
What will be an ideal response?
AES is stronger than 3DES and works faster. It uses the Rijndael symmetric encryption algorithm, which specifies how to use 128-bit, 192-bit, or 256-bit keys on 128-bit, 192-bit, or 256-bit blocks. The standard AES implementation has a fixed block size of 128 bits and uses keys of 128, 192, or 256 bits.
AES is a block cipher, meaning that mathematical computations are applied to blocks of data. Each iteration (application of the algorithm) is called a round. AES applies 10 rounds for 128-bit keys, 12 rounds for 192-bit keys, and 14 rounds for 256-bit keys. By comparison, other block ciphers use 7, 8, and 9 rounds, respectively, against the best-known attacks.
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In the following code that uses recursion to find the greatest common divisor of a number, what is the base case?
``` public static int gcd(int x, int y) { if (x % y == 0) return y; else return gcd(y, x % y); } ``` a. gcd(int x, int y) b. if (x % y == 0) return y; c. else return gcd(y, x % y); d. Cannot tell from this code
Text boxes can also be referred to as word frames.
Answer the following statement true (T) or false (F)
To copy a group of non-adjacent files, hold down the shift key and select the files
Indicate whether the statement is true or false
In the ____ phase, the actual database security assessment is conducted.
A. gathering B. execution C. mobilizing D. reconnaissance