Cryptography

Question 1

asymmetric cipher

Answer 1

Cryptographic algorithms that use two different keys; one key to encrypt and one key to decrypt. Also known as public key encryption

Question 2

collision

Answer 2

When two different inputs into a cryptographic hash produce the same output

Question 3

cryptographic hash

Answer 3

A function that is one-way (nonreversible), has a fixed length output, and is collision resistant

Question 4

pseudo-random number generator (PRNG)

Answer 4

Used to generate a number that is sufficiently random for cryptographic purposes

Question 5

PRNG

Answer 5

pseudo-random number generator

Question 6

rainbow table

Answer 6

A table of precomputed hashes used to guess passwords by searching for the hash of a password

Question 7

salt

Answer 7

Bits added to a hash to make it resistant to rainbox table attacks

Question 8

symmetric cipher

Answer 8

Any cryptographic algorithm that uses the same key to encrypt and decrypt.

Question 9

X.509

Answer 9

Most widely used standard for digital certifications