User's Manual
  Management & Security Operations
Polycom, Inc.  447
Certificates come in several forms (encoding and protocol). The following 
table shows the forms that can be installed in the CMA system. 
Encoding 
Standard / 
File Type 
Description and Installation Method 
PEM 
(Base64-encoded 
ASCII text) 
PKCS #7 
standard 
P7B file 
Certificate chain containing: 
• A signed certificate for the system, 
authenticating its public key. 
• The CA’s public certificate. 
• Sometimes intermediate 
certificates. 
Upload file or paste into text box. 
CER (single 
certificate) file 
Signed certificate for the system, 
authenticating its public key. 
Upload file or paste into text box. 
Certificate text  Encoded certificate text copied from 
CA’s E-mail or secure web page. 
Paste into text box. 
DER 
(binary format 
using ASN.1 
Abstract Syntax 
Notation) 
PKCS #12 
standard 
PFX file 
Certificate chain containing: 
• A signed certificate for the system, 
authenticating its public key. 
• A private key for the system. 
• The CA’s public certificate. 
• Sometimes intermediate 
certificates. 
Upload file. 
PKCS #7 
standard 
P7B file 
Certificate chain containing: 
• A signed certificate for the system, 
authenticating its public key. 
• The CA’s public certificate. 
• Sometimes intermediate 
certificates. 
Upload file. 
CER (single 
certificate) file 
(X.509 standard 
format)
Digital certificate that uniquely identifies 
the system within the PKI. 
Upload file. 










