= Cryptographic hash functions
{wiki=Cryptographic_hash_functions}
Cryptographic hash functions are specialized algorithms that take an input (or "message") and produce a fixed-size string of characters, which is typically a sequence of numbers and letters. This string is known as the hash value, hash code, or simply "hash." Cryptographic hash functions play a crucial role in various security applications and protocols, including data integrity verification, password hashing, digital signatures, and blockchain technology.
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