= Hash-based cryptography
{wiki=Hash-based_cryptography}
Hash-based cryptography refers to a class of cryptographic techniques and algorithms that utilize hash functions as their foundational building blocks. These functions are designed to take input data of any size and produce a fixed-size string of characters, which is typically a hash value or hash code. The primary purpose of hash functions in cryptography is to ensure data integrity, authenticity, and security. \#\#\# Key Features of Hash Functions 1. **Deterministic**: The same input will always produce the same hash output.
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