- The following files are examples of different types of SET certificates: 1096 Jul 25 17:28 card_ds.ber 1057 Jul 25 17:28 mca_all.ber 1183 Jul 25 17:28 mer_ds.ber 1184 Jul 25 17:28 mer_ke.ber 1057 Jul 25 17:28 pca_ke.ber 1084 Jul 25 17:28 pgwy_ds.ber 1130 Jul 25 17:28 pgwy_ke.ber 681 Jul 25 17:28 rca_cs.ber where file names stand for, Entity or CA type: RCA: Root Certification Authority PCA: Payment Certification Authority MCA: Merchant Certification Authority PGWY: Payment Gateway MER: Merchant CARD: Cardholder Certificate key usage type: KE: Key Encipherment DS: Digital Signature CS: CRL Signature ALL: KE, DS and Key Certificate Signature NOTE. In SOURCE.ZIP you may look at the source code I used to generate the certificates, just to check the real values. I used my ASN.1 tool, but the code is very easy to understand. Francisco Jordan 1996/07/30