Which algorithm use 128-bit key and is similar in speed and capability to DES but is more secure. It is used in Pretty Good Privacy (PGP) a public domain encryption system.

Which algorithm use 128-bit key and is similar in speed and capability to DES but is more secure. It is used in Pretty Good Privacy (PGP) a public domain encryption system.


a. IDEA
b. Blowfish
c. One-Time Pads
d. Twofish


Answer: a. IDEA (International Data Encryption Algorithm)


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Cryptography

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