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Web Development vocabulary · Web Security

Hash

Meaning in web development, with examples

/hæʃ/verbCommon term

In web development, hash means: To turn data such as a password into a fixed-length string with a one-way function, so that the original value cannot be read back from it.

In Turkish: hash'lemek, özetini almak

How it is used

Passwords are hashed with slow algorithms designed for the job, such as bcrypt or Argon2, together with a random salt. The noun is also hash: at login, the system hashes the typed password and compares the two hashes.

Example sentences

  1. We never store passwords in plain text; we hash them with bcrypt.

  2. The old system hashed passwords with MD5, which is no longer considered safe.

Common collocations

  • hash a password
  • password hash
  • hashing algorithm
  • salt and hash
  • authenticationThe process of checking who a user is, for example with a password, a one-time code or a login through a Google or Apple account.
  • databaseAn organized store of data, such as users, orders or posts, that a back end can save to, search and update quickly.
  • HTTPSThe secure version of HTTP, which encrypts the connection between the browser and the server with TLS so that others cannot read or change the data.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Web Security

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