Conceptcryptographic hash function / 哈希函数 / hash function
Cryptographic Hash Function
A fundamental cryptographic primitive that maps input data of arbitrary length to a fixed-length digest. It exhibits one-way and collision-resistance properties, such that any change to the input produces a completely different output. Cryptographic hash functions are widely used for data integrity verification across security and distributed systems applications.
Timeline (last 90 days)
Oct 11
Cryptographic hash functions map data of arbitrary length to a fixed-length digest; SHA-256 outputs 256 bits.
Unverified50%
Oct 11
Cryptographic hash functions possess one-way and collision-resistant properties; a change of even a single byte results in a completely different output.
Unverified50%