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Versi: 1.x

Password Management

Every application must store passwords using a cryptographic technique. FoalTS provides two functions to hash and verify passwords.

The hashPassword function

The hashPassword utility uses the PBKDF2 algorithm with a SHA256 hash. It takes as parameters the password in plain text and an optional options object. It returns a promise which value is a password hash.

The function generates a unique cryptographically-strong random salt for each password. This salt is returned by the function beside the password hash.

Parameters

NameTypeDefault value
plainTextPasswordstring
options{ legacy?: boolean }{}

Return type

Promise<string>

The verifyPassword function

The verifyPassword takes three arguments:

  • the password to check in plain text,
  • the password hash (usually fetched from the database),
  • and an optional options object (see below).

Parameters

NameTypeDefault value
plainTextPasswordstring
passwordHashstring
options{ legacy?: boolean }{}

Return type

Promise<boolean>

If you used the parsePassword function in previous versions of Foal (< 0.7.0), you must pass the legacy: true option to verifyPassword and hashPassword.