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Questions and Answers
What type of attack does not depend on the specific algorithm?
What type of attack does not depend on the specific algorithm?
- Brute-Force Attacks (correct)
- Collision Resistant Attack
- Cryptanalysis
- Preimage Resistant Attack
In the case of a hash function, what does an attack depend on?
In the case of a hash function, what does an attack depend on?
- Complexity of the encryption method
- Specific cryptographic algorithm
- Bit length of the hash value (correct)
- The data blocks used
Which attack seeks to exploit some property of the algorithm other than an exhaustive search?
Which attack seeks to exploit some property of the algorithm other than an exhaustive search?
- Collision Resistant Attack
- Brute-Force Attack
- Cryptanalysis (correct)
- Preimage Resistant Attack
What does a collision resistant attack aim to find?
What does a collision resistant attack aim to find?
What strategy exploits the birthday paradox in a collision resistant attack?
What strategy exploits the birthday paradox in a collision resistant attack?
What is the primary goal of an opponent in a collision resistant attack?
What is the primary goal of an opponent in a collision resistant attack?
What is the principal object of a hash function?
What is the principal object of a hash function?
Which property makes it computationally infeasible to find a data object that maps to a pre-specified hash result?
Which property makes it computationally infeasible to find a data object that maps to a pre-specified hash result?
What property of a cryptographic hash function ensures that it is difficult to find two different data objects that map to the same hash result?
What property of a cryptographic hash function ensures that it is difficult to find two different data objects that map to the same hash result?
In the context of message authentication, what does MAC stand for?
In the context of message authentication, what does MAC stand for?
Which type of attack aims to find two different inputs with the same hash output?
Which type of attack aims to find two different inputs with the same hash output?
What is the purpose of storing hash values for each file on a system?
What is the purpose of storing hash values for each file on a system?
What does a collision in hash functions refer to?
What does a collision in hash functions refer to?
Why are collisions considered undesirable in hash functions for data integrity?
Why are collisions considered undesirable in hash functions for data integrity?
What does it mean for a function to be preimage resistant?
What does it mean for a function to be preimage resistant?
In what scenario would an intruder need to modify a file without changing its hash value?
In what scenario would an intruder need to modify a file without changing its hash value?
Why is the fixed output size of a cryptographic hash function important?
Why is the fixed output size of a cryptographic hash function important?
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