What is the primary hash algorithm used by the NIST project created to collect all known hash values for commercial software and OS files?

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Multiple Choice

What is the primary hash algorithm used by the NIST project created to collect all known hash values for commercial software and OS files?

Explanation:
NSRL fingerprints are used to identify software and OS files by comparing their hashes. The primary hash used to generate those fingerprints is SHA-1, a 160-bit digest that yields a consistent, compact fingerprint for each file. SHA-1 was chosen for NSRL because it offered fast computation and adequate uniqueness for a large, cataloged database when the project was established. While MD5 has been widely used in the past and SHA-256 offers stronger security, neither is the primary hash NSRL was built around. RIPEMD-160 is not the standard for this project. So SHA-1 is the correct choice.

NSRL fingerprints are used to identify software and OS files by comparing their hashes. The primary hash used to generate those fingerprints is SHA-1, a 160-bit digest that yields a consistent, compact fingerprint for each file. SHA-1 was chosen for NSRL because it offered fast computation and adequate uniqueness for a large, cataloged database when the project was established. While MD5 has been widely used in the past and SHA-256 offers stronger security, neither is the primary hash NSRL was built around. RIPEMD-160 is not the standard for this project. So SHA-1 is the correct choice.

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