Yes, you can change the pass phrase on the private key with the following commands –
Step 1: To chnage the pass-phrase, enter the following at command prompt:$ openssl rsa -des3 -in server.key -out server.key.new
Step 2: To overwrite the new key file with the new pass-phrase, enter the following at command prompt:$ mv server.key.new server.key
You will be asked two times for the pass-phrase. At the first prompt enter the old pass-phrase and at the second prompt enter the new pass-phrase.
Verify that the new password is being used by this command:#openssl rsa -noout -text -in /ssl.key/server.key (ssl.key is the full directory)