[1] Digital Certificates [2] are issued and managed using a Certificate Authority or CA [3]. In the market, there are two main types of CA systems that are explained in more detail in the Digi-CA™ Manual download [4] or in the Managed CA – Digi-CA™ Service [5] and CA Software – Digi-CA™ Server [6] sub sections of the Certificate Authority online book.
Then there is the innovative CA combination that is unique to Digi-CA™ because of the principals used in the Core Design of Digi-CA™:
This unique offering is called the Shared CA: Digi-CA™ Shared
See the Digi-CA™ Flash Presentation [7] that explains the design principals that have made this innovation possible.
So with Digi-CA™ there are in fact three types of Certificate Authority system to choose from:
Links:
[1] https://www.digi-sign.com/order/digi-ca-admin/accept.php
[2] https://www.digi-sign.com/digital+certificate
[3] https://www.digi-sign.com/certificate+authority
[4] https://www.digi-sign.com/downloads/download.php?id=digi-ca-pdf
[5] https://www.digi-sign.com/digi-ca/managed+ca
[6] https://www.digi-sign.com/digi-ca/software+ca
[7] https://www.digi-sign.com/demos/digi-ca