Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > Cryptographic hash function takes an arbitrar...
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Cryptographic hash function takes an arbitrary block of data and returns
- a)fixed size bit string
- b)variable size bit string
- c)both (a) and (b)
- d)none of the mentioned
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Cryptographic hash function takes an arbitrary block of data and retur...
Fixed size output of cryptographic hash function
A cryptographic hash function is a mathematical algorithm that takes an arbitrary block of data and returns a fixed-size bit string. This output is known as the hash value or message digest.
Properties of hash function
A cryptographic hash function has three main properties:
1. Deterministic: The same input will always produce the same output.
2. Quick computation: The function should be computationally efficient.
3. Pre-image resistant: Given a hash value, it should be difficult to find the input that produced it.
Applications of Cryptographic Hash Function
Cryptographic hash functions are widely used in computer security applications, including:
1. Digital signatures
2. Password storage
3. Message authentication
4. Data integrity verification
5. Blockchain technology
Conclusion
In conclusion, a cryptographic hash function takes an arbitrary block of data and returns a fixed-size bit string, making it a fundamental tool in computer security applications.
A cryptographic hash function is a mathematical algorithm that takes an arbitrary block of data and returns a fixed-size bit string. This output is known as the hash value or message digest.
Properties of hash function
A cryptographic hash function has three main properties:
1. Deterministic: The same input will always produce the same output.
2. Quick computation: The function should be computationally efficient.
3. Pre-image resistant: Given a hash value, it should be difficult to find the input that produced it.
Applications of Cryptographic Hash Function
Cryptographic hash functions are widely used in computer security applications, including:
1. Digital signatures
2. Password storage
3. Message authentication
4. Data integrity verification
5. Blockchain technology
Conclusion
In conclusion, a cryptographic hash function takes an arbitrary block of data and returns a fixed-size bit string, making it a fundamental tool in computer security applications.
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Community Answer
Cryptographic hash function takes an arbitrary block of data and retur...
In cryptographic hash function we have to encrypt the data and we get a fixed size bit string after encryption.
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Cryptographic hash function takes an arbitrary block of data and returnsa)fixed size bit stringb)variable size bit stringc)both (a) and (b)d)none of the mentionedCorrect answer is option 'A'. Can you explain this answer?
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