Python OpenSSL.crypto.X509 Examples

The following are 30 code examples of OpenSSL.crypto.X509(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module OpenSSL.crypto , or try the search function .
Example #1
Source File: pyopenssl.py    From pex with Apache License 2.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions

    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError(
            "'cryptography' module missing required functionality.  "
            "Try upgrading to v1.3.4 or newer."
        )

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509

    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError(
            "'pyOpenSSL' module missing required functionality. "
            "Try upgrading to v0.14 or newer."
        )
Example #2
Source File: pyopenssl.py    From core with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #3
Source File: pyopenssl.py    From FuYiSpider with Apache License 2.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #4
Source File: pyopenssl.py    From wow-addon-updater with GNU General Public License v3.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #5
Source File: test_ssl.py    From oss-ftp with MIT License 6 votes vote down vote up 
def test_multiple_add_client_ca(self):
        """
        Multiple CA names can be sent to the client by calling
        :py:obj:`Context.add_client_ca` with multiple X509 objects.
        """
        cacert = load_certificate(FILETYPE_PEM, root_cert_pem)
        secert = load_certificate(FILETYPE_PEM, server_cert_pem)

        cadesc = cacert.get_subject()
        sedesc = secert.get_subject()

        def multiple_ca(ctx):
            ctx.add_client_ca(cacert)
            ctx.add_client_ca(secert)
            return [cadesc, sedesc]
        self._check_client_ca_list(multiple_ca)
Example #6
Source File: pyopenssl.py    From chinese-support-redux with GNU General Public License v3.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions

    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError(
            "'cryptography' module missing required functionality.  "
            "Try upgrading to v1.3.4 or newer."
        )

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509

    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError(
            "'pyOpenSSL' module missing required functionality. "
            "Try upgrading to v0.14 or newer."
        )
Example #7
Source File: pyopenssl.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #8
Source File: pyopenssl.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #9
Source File: pyopenssl.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #10
Source File: pyopenssl.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #11
Source File: pyopenssl.py    From anpr with Creative Commons Attribution 4.0 International 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #12
Source File: _sslverify.py    From Safejumper-for-Desktop with GNU General Public License v2.0 6 votes vote down vote up 
def signRequestObject(self,
                          issuerDistinguishedName,
                          requestObject,
                          serialNumber,
                          secondsToExpiry=60 * 60 * 24 * 365, # One year
                          digestAlgorithm='sha256'):
        """
        Sign a CertificateRequest instance, returning a Certificate instance.
        """
        req = requestObject.original
        cert = crypto.X509()
        issuerDistinguishedName._copyInto(cert.get_issuer())
        cert.set_subject(req.get_subject())
        cert.set_pubkey(req.get_pubkey())
        cert.gmtime_adj_notBefore(0)
        cert.gmtime_adj_notAfter(secondsToExpiry)
        cert.set_serial_number(serialNumber)
        cert.sign(self.original, digestAlgorithm)
        return Certificate(cert)
Example #13
Source File: test_sslverify.py    From Safejumper-for-Desktop with GNU General Public License v2.0 6 votes vote down vote up 
def makeCertificate(**kw):
    keypair = PKey()
    keypair.generate_key(TYPE_RSA, 768)

    certificate = X509()
    certificate.gmtime_adj_notBefore(0)
    certificate.gmtime_adj_notAfter(60 * 60 * 24 * 365) # One year
    for xname in certificate.get_issuer(), certificate.get_subject():
        for (k, v) in kw.items():
            setattr(xname, k, nativeString(v))

    certificate.set_serial_number(counter())
    certificate.set_pubkey(keypair)
    certificate.sign(keypair, "md5")

    return keypair, certificate
Example #14
Source File: test_sslverify.py    From Safejumper-for-Desktop with GNU General Public License v2.0 6 votes vote down vote up 
def test_trustRootFromCertificatesOpenSSLObjects(self):
        """
        L{trustRootFromCertificates} rejects any L{OpenSSL.crypto.X509}
        instances in the list passed to it.
        """
        private = sslverify.PrivateCertificate.loadPEM(A_KEYPAIR)
        certX509 = private.original

        exception = self.assertRaises(
            TypeError,
            sslverify.trustRootFromCertificates, [certX509],
        )
        self.assertEqual(
            "certificates items must be twisted.internet.ssl.CertBase "
            "instances",
            exception.args[0],
        )
Example #15
Source File: pyopenssl.py    From satori with Apache License 2.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #16
Source File: pyopenssl.py    From gist-alfred with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #17
Source File: pyopenssl.py    From deepWordBug with Apache License 2.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #18
Source File: pyopenssl.py    From deepWordBug with Apache License 2.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #19
Source File: authentication.py    From deskcon-desktop with GNU General Public License v3.0 6 votes vote down vote up 
def generate_keypair(uuid):
    hostname = socket.gethostname()
    # create a key pair
    keypair = crypto.PKey()
    keypair.generate_key(crypto.TYPE_RSA, 2048)

    # create a self-signed cert
    cert = crypto.X509()
    cert.set_version(2)
    cert.get_subject().CN = str(uuid)+"/"+hostname
    cert.get_issuer().CN = str(uuid)+"/"+hostname
    cert.set_serial_number(1000)
    cert.gmtime_adj_notBefore(0)
    cert.gmtime_adj_notAfter(10*365*24*60*60)
    cert.set_pubkey(keypair)
    cert.sign(keypair, 'sha256')

    certificate = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
    privatekey = crypto.dump_privatekey(crypto.FILETYPE_PEM, keypair)
    return certificate, privatekey
Example #20
Source File: pyopenssl.py    From pipenv with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions

    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError(
            "'cryptography' module missing required functionality.  "
            "Try upgrading to v1.3.4 or newer."
        )

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509

    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError(
            "'pyOpenSSL' module missing required functionality. "
            "Try upgrading to v0.14 or newer."
        )
Example #21
Source File: pyopenssl.py    From pipenv with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions

    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError(
            "'cryptography' module missing required functionality.  "
            "Try upgrading to v1.3.4 or newer."
        )

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509

    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError(
            "'pyOpenSSL' module missing required functionality. "
            "Try upgrading to v0.14 or newer."
        )
Example #22
Source File: certs.py    From pycopia with Apache License 2.0 6 votes vote down vote up 
def __init__(self, values, critical=False):
        assert len(values) > 0, "Need at least one value."
        new = []
        for value in values:
            if isinstance(value, Certificate):
                super(IssuerAltName, self).__init__(
                    "issuerAltName", critical, "issuer:copy", issuer=value)
                break
            elif isinstance(value, crypto.X509):
                super(IssuerAltName, self).__init__(
                    "issuerAltName", critical, "issuer:copy",
                    issuer=Certificate(_cert=value))
                break
            pre = guess_altname_prefix(value)
            new.append("{}:{}".format(pre, value))
        else:
            super(IssuerAltName, self).__init__("issuerAltName", critical,
                                                ",".join(new))
Example #23
Source File: createPemFiles.py    From devopsloft with GNU General Public License v3.0 6 votes vote down vote up 
def SelfSignedCertificate():
    # create a key pair
    k = crypto.PKey()
    k.generate_key(crypto.TYPE_RSA, 1024)

    # create a self-signed cert
    cert = crypto.X509()
    cert.get_subject().C = "IL"
    cert.get_subject().ST = "Jerusalem"
    cert.get_subject().L = "Jerusalem"
    cert.get_subject().OU = "DevOps Loft"
    cert.get_subject().CN = gethostname()
    cert.set_serial_number(1000)
    cert.gmtime_adj_notBefore(0)
    cert.gmtime_adj_notAfter(10*365*24*60*60)
    cert.set_issuer(cert.get_subject())
    cert.set_pubkey(k)
    cert.sign(k, 'sha1')

    with open(CERT_FILE, "wb") as cert_f:
        cert_f.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
    with open(KEY_FILE, "wb") as key_f:
        key_f.write(crypto.dump_privatekey(crypto.FILETYPE_PEM, k))
Example #24
Source File: pyopenssl.py    From GraphicDesignPatternByPython with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #25
Source File: pyopenssl.py    From hacktoberfest2018 with GNU General Public License v3.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #26
Source File: pyopenssl.py    From hacktoberfest2018 with GNU General Public License v3.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #27
Source File: pyopenssl.py    From quickstart-taskcat-ci with Apache License 2.0 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #28
Source File: pyopenssl.py    From pySINDy with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #29
Source File: pyopenssl.py    From pySINDy with MIT License 6 votes vote down vote up 
def _validate_dependencies_met():
    """
    Verifies that PyOpenSSL's package-level dependencies have been met.
    Throws `ImportError` if they are not met.
    """
    # Method added in `cryptography==1.1`; not available in older versions
    from cryptography.x509.extensions import Extensions
    if getattr(Extensions, "get_extension_for_class", None) is None:
        raise ImportError("'cryptography' module missing required functionality.  "
                          "Try upgrading to v1.3.4 or newer.")

    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
    # attribute is only present on those versions.
    from OpenSSL.crypto import X509
    x509 = X509()
    if getattr(x509, "_x509", None) is None:
        raise ImportError("'pyOpenSSL' module missing required functionality. "
                          "Try upgrading to v0.14 or newer.")
Example #30
Source File: turnserver.py    From aioice with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def create_self_signed_cert(name="localhost"):
    from OpenSSL import crypto

    # create key pair
    key = crypto.PKey()
    key.generate_key(crypto.TYPE_RSA, 2048)

    # create self-signed certificate
    cert = crypto.X509()
    cert.get_subject().CN = name
    cert.set_serial_number(1000)
    cert.gmtime_adj_notBefore(0)
    cert.gmtime_adj_notAfter(10 * 365 * 86400)
    cert.set_issuer(cert.get_subject())
    cert.set_pubkey(key)
    cert.sign(key, "sha1")

    with open(CERT_FILE, "wb") as fp:
        fp.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
    with open(KEY_FILE, "wb") as fp:
        fp.write(crypto.dump_privatekey(crypto.FILETYPE_PEM, key))