Related note for those surprised that 3DES is still a thing: the Mastercard specifications still use 3DES for pin block encryption. This is used each time you e

Related note for those surprised that 3DES is still a thing: the Mastercard specifications still use 3DES for pin block encryption. This is used each time you enter the pin for a Mastercard card! There is no alternative yet. Support for AES "coming soon". https://developer.mastercard.com/card-management/documentation/pin-block-encryption-process/ https://developer.mastercard.com/card-management/documentati...