[PostFinance] How to setup the «Hash algorithm» option?

Log in to the merchant interface, and then:

  1. Select the «Configuration» item from the top menu.
  • Select the «Technical information» item from the top submenu.
  • Select the «Global security parameters» item from the 3-rd level submenu.

You can choose any value of the «Hash algorithm» option, but it should be the same here and in your Magento 2 backend.

The value affects the algorithms of the SHA-IN and SHA-OUT signatures calculation.

See also: