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Tag: Hashing

  • Cryptography: Hashing

    Hashing is a fundamental concept in cryptography that plays a critical role in securing data, ensuring integrity, and supporting various cryptographic protocols. A hash function takes an input (or “message”) and returns a fixed-size string, which typically appears random. The key characteristic of a hash function is that it is a one-way function, meaning that…

  • Hash Map

    A Hash Map (or Hash Table) is one of the most fundamental and widely used data structures in computer science, providing an efficient way to store key-value pairs. The primary operation in a hash map is the ability to associate a key with a value, and retrieve that value in near constant time. This makes…