What is the difference between hash functions and encryption?
Hash functions and encryption both transform data, but they serve different purposes. Hash functions create a fixed-size output from input data, ensuring data integrity, while encryption transforms data to keep it confidential.
Can you give me examples of where each is used?
Sure! Hash functions are commonly used in password storage and data integrity checks, while encryption is used in secure communications, like HTTPS and email encryption.
Are hash functions reversible?
No, hash functions are designed to be one-way. Once data is hashed, it cannot be reversed to retrieve the original input.
What algorithms are commonly used for hashing and encryption?
Common hashing algorithms include SHA-256 and MD5, while popular encryption algorithms include AES and RSA.
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