What is a hash function?
A hash function is a mathematical algorithm that transforms input data into a fixed-size string of characters, which is typically a hash code.
What are some common uses of hash functions?
Hash functions are commonly used in data integrity verification, password storage, and digital signatures.
Can you explain how hash functions ensure data integrity?
Sure! Hash functions create a unique hash value for data. If the data changes, even slightly, the hash value will change significantly, indicating tampering.
Are hash functions reversible?
No, hash functions are designed to be one-way. You cannot retrieve the original data from the hash value.
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