# password\_hash & salt with facebook authentication

**URL:** <https://meta.discourse.org/t/password-hash-salt-with-facebook-authentication/42649>\
**Category:** Development\
**Created:** [Avril 16, 2016, 1:15 UTC](https://meta.discourse.org/t/password-hash-salt-with-facebook-authentication/42649 "2016-04-16T13:15:35Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [Avril 20, 2016, 1:02 UTC](https://meta.discourse.org/t/password-hash-salt-with-facebook-authentication/42649/5 "2016-04-20T13:02:31Z")

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Users can authenticate against any of the available mechanisms. As long as the email is the same, a single account can authenticate against Google, Facebook, or a local password. Does that explain what you are seeing?

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