Since there have been no comments, I would like to see this type registered.
Payment is the process by which funds are transfered in support of a purchase.
These encodings may include encrypted information which is itself DER encoded. SET is designed so that all sensitive information is either encrypted or blinded and as such secure communication channels are not required for privacy reasons. Although an eavesdropper observing SET messages can perform basic traffic analysis, the security of financial and and other private information is ensured through the use of encryption privacy and digital signatures for authentication of origin and integrity protection.