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What is a hash function?
What is a hash function?
- A function that converts a numerical input value into a larger numerical value
- A function that converts a compressed input value into a numerical value
- A function that converts a numerical input value into a compressed numerical value (correct)
- A function that converts a fixed-length input value into a variable-length value
What are the direct applications of hash functions based on its cryptographic properties?
What are the direct applications of hash functions based on its cryptographic properties?
- Password storage and integrity checks (correct)
- Network routing and data transmission
- Digital signatures and public key infrastructure
- Data compression and encryption
What is the SHA-1 hash for the file 'ubuntu-14.04-desktop-amd64.iso'?
What is the SHA-1 hash for the file 'ubuntu-14.04-desktop-amd64.iso'?
- d4d44272ee5f5bf887a9c85ad09ae957bc55f89d (correct)
- 9876543210abcdef0123456789abcdef
- 1234567890abcdefabcdef0987654321
- aabbccddeeff11223344556677889900
What are the properties required for an ideal cryptographic hash?
What are the properties required for an ideal cryptographic hash?
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What is pre-image resistance in the context of hash functions?
What is pre-image resistance in the context of hash functions?
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What is the output length of a hash function?
What is the output length of a hash function?
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What is the SHA-1 hash for the file 'ubuntu-14.04-desktop-amd64.iso'?
What is the SHA-1 hash for the file 'ubuntu-14.04-desktop-amd64.iso'?
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What are the two direct applications of hash functions based on its cryptographic properties?
What are the two direct applications of hash functions based on its cryptographic properties?
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What are the three important security properties required from a hash function?
What are the three important security properties required from a hash function?
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What is the ideal output of an ideal cryptographic hash function?
What is the ideal output of an ideal cryptographic hash function?
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