import base64
from tempfile import mkstemp
-from OpenSSL import crypto
-import M2Crypto
-from M2Crypto import X509
+import OpenSSL
+# M2Crypto is imported on the fly to minimize crashes
+#import M2Crypto
from sfa.util.faults import CertExpired, CertMissingParent, CertNotSignedByParent
from sfa.util.sfalogging import logger
def test_passphrase(string, passphrase):
try:
- crypto.load_privatekey(crypto.FILETYPE_PEM, string, (lambda x: passphrase))
+ OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, string, (lambda x: passphrase))
return True
except:
return False
# Create a RSA public/private key pair and store it inside the keypair object
def create(self):
- self.key = crypto.PKey()
- self.key.generate_key(crypto.TYPE_RSA, 2048)
+ self.key = OpenSSL.crypto.PKey()
+ self.key.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)
##
# Save the private key to a file
# Load the private key from a string. Implicitly the private key includes the public key.
def load_from_string(self, string):
+ import M2Crypto
if glo_passphrase_callback:
- self.key = crypto.load_privatekey(
- crypto.FILETYPE_PEM, string, functools.partial(glo_passphrase_callback, self, string))
+ self.key = OpenSSL.crypto.load_privatekey(
+ OpenSSL.crypto.FILETYPE_PEM, string, functools.partial(glo_passphrase_callback, self, string))
self.m2key = M2Crypto.EVP.load_key_string(
string, functools.partial(glo_passphrase_callback, self, string))
else:
- self.key = crypto.load_privatekey(crypto.FILETYPE_PEM, string)
+ self.key = OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, string)
self.m2key = M2Crypto.EVP.load_key_string(string)
##
# Load the public key from a string. No private key is loaded.
def load_pubkey_from_file(self, filename):
+ import M2Crypto
# load the m2 public key
m2rsakey = M2Crypto.RSA.load_pub_key(filename)
self.m2key = M2Crypto.EVP.PKey()
# convert the m2 x509 cert to a pyopenssl x509
m2pem = m2x509.as_pem()
- pyx509 = crypto.load_certificate(crypto.FILETYPE_PEM, m2pem)
+ pyx509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, m2pem)
# get the pyopenssl pkey from the pyopenssl x509
self.key = pyx509.get_pubkey()
# Return the private key in PEM format.
def as_pem(self):
- return crypto.dump_privatekey(crypto.FILETYPE_PEM, self.key)
+ return OpenSSL.crypto.dump_privatekey(OpenSSL.crypto.FILETYPE_PEM, self.key)
##
# Return an M2Crypto key object
def get_m2_pubkey(self):
+ import M2Crypto
if not self.m2key:
self.m2key = M2Crypto.EVP.load_key_string(self.as_pem())
return self.m2key
return base64.b64encode(k.sign_final())
def verify_string(self, data, sig):
+ import M2Crypto
k = self.get_m2_pubkey()
k.verify_init()
k.verify_update(data)
# Create a blank X509 certificate and store it in this object.
def create(self, lifeDays=1825):
- self.x509 = crypto.X509()
+ self.x509 = OpenSSL.crypto.X509()
# FIXME: Use different serial #s
self.x509.set_serial_number(3)
self.x509.gmtime_adj_notBefore(0) # 0 means now
else:
parts = string.split(Certificate.separator, 1)
- self.x509 = crypto.load_certificate(crypto.FILETYPE_PEM, parts[0])
+ self.x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, parts[0])
if self.x509 is None:
logger.warn("Loaded from string but cert is None: {}".format(string))
if self.x509 is None:
logger.warn("None cert in certificate.save_to_string")
return ""
- string = crypto.dump_certificate(crypto.FILETYPE_PEM, self.x509)
+ string = OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, self.x509)
if save_parents and self.parent:
string = string + self.parent.save_to_string(save_parents)
return string
# it's a mistake to use subject and cert params at the same time
assert(not cert)
if isinstance(subject, dict) or isinstance(subject, str):
- req = crypto.X509Req()
+ req = OpenSSL.crypto.X509Req()
reqSubject = req.get_subject()
if isinstance(subject, dict):
for key in reqSubject.keys():
# Set the subject name of the certificate
def set_subject(self, name):
- req = crypto.X509Req()
+ req = OpenSSL.crypto.X509Req()
subj = req.get_subject()
if isinstance(name, dict):
for key in name.keys():
# It is returned in the form of a Keypair object.
def get_pubkey(self):
- m2x509 = X509.load_cert_string(self.save_to_string())
+ import M2Crypto
+ m2x509 = M2Crypto.X509.load_cert_string(self.save_to_string())
pkey = Keypair()
pkey.key = self.x509.get_pubkey()
pkey.m2key = m2x509.get_pubkey()
# @param value string containing value of the extension
def add_extension(self, name, critical, value):
+ import M2Crypto
oldExtVal = None
try:
oldExtVal = self.get_extension(name)
# elif oldExtVal:
# raise "Cannot add extension {} which had val {} with new val {}".format(name, oldExtVal, value)
- ext = crypto.X509Extension(name, critical, value)
+ ext = OpenSSL.crypto.X509Extension(name, critical, value)
self.x509.add_extensions([ext])
##
def get_extension(self, name):
+ import M2Crypto
if name is None:
return None
if certstr is None or certstr == "":
return None
# pyOpenSSL does not have a way to get extensions
- m2x509 = X509.load_cert_string(certstr)
+ m2x509 = M2Crypto.X509.load_cert_string(certstr)
if m2x509 is None:
logger.warn("No cert loaded in get_extension")
return None
# did not sign the certificate, then an exception will be thrown.
def verify(self, pubkey):
+ import M2Crypto
# pyOpenSSL does not have a way to verify signatures
- m2x509 = X509.load_cert_string(self.save_to_string())
+ m2x509 = M2Crypto.X509.load_cert_string(self.save_to_string())
m2pubkey = pubkey.get_m2_pubkey()
# verify it
# verify returns -1 or 0 on failure depending on how serious the
### more introspection
def get_extensions(self):
+ import M2Crypto
# pyOpenSSL does not have a way to get extensions
triples = []
- m2x509 = X509.load_cert_string(self.save_to_string())
+ m2x509 = M2Crypto.X509.load_cert_string(self.save_to_string())
nb_extensions = m2x509.get_ext_count()
logger.debug("X509 had {} extensions".format(nb_extensions))
for i in range(nb_extensions):