make certificate used to work in apache, but now:
bash-3.00# mkdir -p /usr/local/apache/conf/host.crt/2007
bash-3.00# cd !$
bash-3.00# openssl genrsa -des3 -out pass.key 1024
Generating RSA private key, 1024 bit long modulus
...............................++++++
..........................................++++++
e is 65537 (0x10001)
Enter pass phrase for pass.key:
Verifying - Enter pass phrase for pass.key:
bash-3.00# openssl rsa -in pass.key -out server.key
openssl rsa -in pass.key -out server.key
Enter pass phrase for pass.key:
writing RSA key
bash-3.00# openssl req -new -key server.key -x509 -out server.crt -days 999

You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:US
State or Province Name (full name) [Some-State]:California
Locality Name (eg, city) []:Berkeley
Organization Name (eg, company) [Internet Widgits Pty Ltd]:University of California, Berkeley
Organizational Unit Name (eg, section) []:Ptolemy Project
Common Name (eg, YOUR name) []:carson.eecs.berkeley.edu
Email Address []:root@carson.eecs.berkeley.edu
bash-3.00# chmod 0600 *
bash-3.00# cp server.crt ..
bash-3.00# mkdir /usr/local/apache/conf/host.key
bash-3.00# cp server.key !$
See also Certificate Authority.