What is data encryption standard (DES) ?
A) block cipher
B) stream cipher
C) bit cipher
D) byte cipher
Correct Answer:
Verified
Q1: The is a polygraphic substitution cipher based
Q2: _is the practice of concealing a message
Q3: In asymmetric key cryptography, the private key
Q5: In cryptography the original message before being
Q6: An asymmetric-key (or public-key) cipher uses
A)1 key
B)2
Q7: In Asymmetric-Key Cryptography, although RSA can be
Q8: The man-in-the-middle attack can endanger the security
Q9: In Asymmetric-Key Cryptography, the two keys, e
Q10: For RSA to work, the value of
Q11: In RSA, ?(n) = in terms of
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