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All these scripts should be run from within the openssl_scripts directory.

./create-root-ca.sh ca          - generates a root CA.
./create-sub-ca.sh ca subca     - generates a subordinate CA.
./create-usercert.sh ca user01  - generates a certificate request and signs it
                                  with a CA.
./create-usercert-nopass.sh ca server_cert
                                - generates a certificate requests and signs
                                  it with a CA. The private key is not
                                  encrypted and is thus perfect for use with
                                  daemons that require passphraseless private
                                  keys (like Pine's imapd).
./sign-csr.sh ca ~/user.csr     - signs a certificate signing request with a
                                  CA.
./create-pkcs12.sh user01       - creates a PKCS#12 file out of a private key
                                  and a certificate located under the "certs"
                                  directory.
./revoke-cert.sh ca user01      - revokes a previously signed certificate and
                                  generates ca.crl (certificate revocation
                                  list). "ca" must be the CA that signed the
                                  certificate.
openssl_scripts.conf            - configuration file for the above mentioned
                                  scripts.

Certificates and private keys will be placed under "certs/ca/", in other words, user certificates and private keys will be placed under the issuing CA's own directory. You can change the default "certs" directory by editing the openssl_scripts.conf file.

The following variables may have to be changed in openssl_scripts.conf:

# full path to openssl.cnf
opensslcnf="/etc/ssl/openssl.cnf"

# encryption to use for encrypting keys, far from all versions of OpenSSL # support aes128, aes192 or aes256, the more recent do. available alternative # are most likely: des, des3, aes128, aes192 or aes256 - check the output of # "openssl genrsa -h"
enc="aes256"

EXAMPLES

./create-root-ca.sh ca

./create-sub-ca.sh ca subca1

./create-usercert.sh subca1 john_doe

./revoke-cert.sh subca1 john_doe

cat certs/subca1/subca1.crl > /etc/apache/ssl.crl/ca-bundle.crl

## that's it folks