IAS QUIZ 11

Virtually all cryptographic hash functions involve the iterative use of a compression function.

• T

• F

Limited characteristics make it impossible for hash functions to be used to determine whether or not data has changed.

• F

• T

Hash functions can be used for intrusion and virus detections.

• T

• F

The cryptographic hash function is not a versatile cryptographic algorithm.

• F

• T

it is possible to use a hash function but no encryption for message authentication.

• T

• F

Hash functions are commonly used to create a one-way password file.

• T

• F

A weak hash function is sufficient to protect against an attack in which one party generates a message for another party to sign.

• T

• F

The way to measure the resistance of a hash algorithm to cryptanalysis is to compare its strength to the effort required for a

        brute-force attack.

• T

• F

It can be shown that some form of birthday attack will succeed against any hash scheme involving the use of cipher block         chaining without a secret key, provided that either the resulting hash code is small enough or that a larger hash code can be

        decomposed into independent subcodes.

• T

• F

The most widely used hash function has been the Whirlpool.

• F

• T