What is the primary purpose of cryptographic salting?
To verify the integrity of encrypted data
To increase the randomness of encryption keys
To prevent dictionary attacks on stored password hashes
To ensure compliance with cryptographic standards
The correct answer is To prevent dictionary attacks on stored password hashes. The primary purpose of cryptographic salting is to defend against dictionary attacks and rainbow table attacks on stored password hashes. By adding a unique, random value (the salt) to each password before hashing, identical passwords will have different hash values, preventing attackers from using pre-computed tables.
To increase the randomness of encryption keys is incorrect because while salts do increase randomness, this is specifically for password hashes, not encryption keys in general.
To verify the integrity of encrypted data is incorrect because salts don't verify data integrity; hash functions provide that.
To ensure compliance with cryptographic standards is incorrect because salting is a security technique, not specifically for compliance, though many standards do require it.
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