Key value pair

Hashtable

indexable has 3 functions - insert (key,value) get (key) delete (key)

signatures, cryptography, cybersecurity, data indexing data indexing

checksum

Use

Passwords are run against a cryptographic hash to produce a digest the hash values are stored and are compared instead of plaintext passwords this is more secure in case of leaks


QUESTION

Is hashing a type / application of cryptography? How is it different from using a fixed cipher?

md5 - 128 bit entropy checksum data integrity sha-2