What is the difference between HMAC and digital signatures?
HMAC (Hash-based Message Authentication Code) is used for data integrity and authenticity, while digital signatures provide non-repudiation.
Can you explain how HMAC works?
HMAC combines a cryptographic hash function with a secret key to produce a unique hash for the message, ensuring its integrity.
What are the use cases for digital signatures?
Digital signatures are commonly used in software distribution, financial transactions, and legal documents to verify authenticity.
Which one is more secure, HMAC or digital signatures?
It depends on the context. HMAC is secure for message integrity, while digital signatures are better for non-repudiation.
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