authentication

باللغة العربية: مُصَادَقَة، اِسْتِيثَاق

1. Something which validates or confirms the authenticity of something; or the process of doing so. (countable, uncountable) · document authentication· strong authentication
2. Proof of identity required by a user to log on to some network or access some resource. (countable, uncountable) · digital authentication· Online banking uses two-factor authentication.
3. A hallmark or assay-mark on a piece of metalwork. (countable, uncountable)

الجمع authentications