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Classes.py
59 lines (42 loc) · 1.98 KB
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Classes.py
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import json
from OpenSSL import SSL, crypto, _util
class CSR(object):
def __init__(self, csr_json):
csr_dict = json.loads(csr_json)
self.common_name = csr_dict['CSR']['CommonName']
self.country_name = csr_dict['CSR']['CountryName']
self.state_or_province_name = csr_dict['CSR']['StateOrProvinceName']
self.locality_name = csr_dict['CSR']['LocalityName']
self.organization_name = csr_dict['CSR']['OrganizationName']
self.organizational_unit_name = csr_dict['CSR']['OrganizationalUnitName']
self.private_key = None
self.public_key = None
self.csr = None
def generate_csr(self):
req = crypto.X509Req()
req.get_subject().CN = self.common_name
req.get_subject().countryName = self.country_name
req.get_subject().stateOrProvinceName = self.state_or_province_name
req.get_subject().localityName = self.locality_name
req.get_subject().organizationName = self.organization_name
req.get_subject().organizationalUnitName = self.organizational_unit_name
key = self._generate_private_key()
req.set_pubkey(key)
req.sign(key, "sha1")
self.csr = crypto.dump_certificate_request(crypto.FILETYPE_PEM, req)
self.private_key = crypto.dump_privatekey(crypto.FILETYPE_PEM, key)
self.public_key = self._extract_public_key(key)
def _extract_public_key(self, pkey):
bio = crypto._new_mem_buf()
_util.lib.PEM_write_bio_PUBKEY(bio, pkey._pkey)
return crypto._bio_to_string(bio)
def _generate_private_key(self):
key = crypto.PKey()
key.generate_key(crypto.TYPE_RSA, 2048)
return key
csr_json = '{ "CSR": { "CommonName": "test", "CountryName": "US", "StateOrProvinceName": "NY", "LocalityName": "local", "OrganizationName": "testcorp", "OrganizationalUnitName": "testOU"} }'
csr_obj = CSR(csr_json)
csr_obj.generate_csr()
print(csr_obj.csr)
print(csr_obj.public_key)
print(csr_obj.private_key)