Basic HTML version of Foils prepared May 19 99

Foil 101 Structure of Public Key System in SET

From Remarks on Internet and Java Security Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Mehmet Sen
Certificates are issued hierarchically starting with a root certificate known to all SET software
Each certificate is signed with private key of parent. The root is self signed
GCA = Geopolitical CA
CCA = Cardholder CA
PCA = Payment Gateway CA
MCA = Merchant CA
CA = Certificate Authority
Root
Brand
GCA
CCA
MCA
PCA
Cardholder Signature
Merchant Signature
Merchant Key Exchange
Payment Gateway Key Exchange
Payment Gateway Signature
E.g. Visa Mastercard

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