/mcpGenerate Self-Signed Certificate Procedure Step 1 From Cisco Unified OS Administration, choose Security > Certificate Management. The Certificate List window appears. Step 2 Enter search parameters to find a certificate and view its configuration details. The system displays the records that match all the criteria in the Certificate List window. Step 3 Click Generate Self-Signed Certificate to generate a new self-signed certificate. The Generate New Self-Signed Certificate window appears. Step 4 From the Certificate Purpose drop-down box, select a system security certificate, such as CallManager-ECDSA. Step 5 Configure the fields in the Generate New Self-Signed Certificate window. See the Related Topics section for more information about the fields and their configuration options. Step 6 Click Generate. Related Topics Self-Signed Certificate Fields, on page 52 Self-Signed Certificate Fields Table 11: Self-Signed Certificate Fields Description Field Choose the required option from the drop-down list. When you choose any of the following options, the Key Type field is automatically set to RSA. • Cisco Tomcat • ipsec • ITLRecovery • CallManager • CAPF • TVS When you choose any of the following options, the Key Type field is automatically set to EC (Elliptical Curve). • tomcat-ECDSA • CallManager-ECDSA Certificate Purpose Choose a Unified Communications Manager server from the drop-down list. Distribution Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 52 Basic System Security Generate Self-Signed Certificate