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import sys, os

from OpenSSL import crypto, SSL
from socket import gethostname
from pprint import pprint
from time import gmtime, mktime
from os.path import exists, join

CERT_FILE = "apache.crt"
KEY_FILE = "apache.key"
REQ_FILE = "apache.csr"

def create_self_signed_cert(country, state, city, company, organization):
	cert_dir="/home/chris/tmp/certs"

	key = crypto.PKey()
	key.generate_key(crypto.TYPE_RSA, 1024)
	
	req = crypto.X509Req()
	req.set_pubkey(key)
        req.get_subject().C = "%s" % country
        req.get_subject().ST = "%s" % state
        req.get_subject().L = "%s" % city
        req.get_subject().O = "%s" % company
        req.get_subject().OU = "%s" % organization
        req.get_subject().CN = gethostname()
	req.sign(key,"sha1")

	csr_file = join(cert_dir, REQ_FILE)
	key_file = join(cert_dir, KEY_FILE)
	cert_file = join(cert_dir, CERT_FILE)

        open(csr_file, "wt").write(
            crypto.dump_certificate_request(crypto.FILETYPE_PEM, req))
        open(key_file, "wt").write(
            crypto.dump_privatekey(crypto.FILETYPE_PEM, key))

	cmd="openssl x509 -req -days 365 -in {} -signkey {} -out {}".format(csr_file, key_file, cert_file)
	os.system(cmd)
	

if __name__ == "__main__":
	create_self_signed_cert("US", "CO", "Boulder", "Alco", "Engineering")