Hash Function in The Internet Security
Hash functions play a crucial role in internet security by providing a way to verify the integrity and authenticity of data.Here's how they work: What is a Hash Function? A hash function takes an input (data of any size) and produces a fixed-size output called a hash value or digest. This process is one-way, meaning it's virtually impossible to reverse-engineer the original data from the hash value. The hash value is like a unique fingerprint of the data, representing its content and structure. Key Properties of Hash Functions: Deterministic: The same input always produces the same hash output.5 Fixed-size output: The hash value has a fixed length, regardless of the input size. Pre-image resistance: It's computationally infeasible to find the original input (pre-image) given a hash value Collision resistance: It's extremely difficult to find two different inputs that produce the same hash value (collision). Applications in Internet Security: Password Storage: Instead ...