The conversation between human and AI assistant.
What are hash functions?
Can you give me an example of how a hash function works in cryptography?
Sure, in cryptography, hash functions are often used to ensure message integrity. For example, let's say you want to send a confidential message to your friend. You would use a hash function to generate a digest of your message, which you would then encrypt before sending to your friend. Your friend would then use the same hash function to generate a digest of the encrypted message, and compare it with the original digest you generated. If the digest matches, your friend can be assured that the message hasn't been tampered with during transmission.