!!! Overview[1] [{$pagename}] is a [Cryptography] check to validate the [Payment Card] using [Public Key] [Cryptography] at the [POS Terminal]. [{$pagename}] uses [RSA] [Public Key Infrastructure] to protect against counterfeit or skimming. Three forms of [{$pagename}] that are defined by [EMV]: * [SDA] * [DDA] * [CDA]. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [EMV|Wikipedia:EMV|target='_blank'] - based on 2015-04-24