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File Content: `oid.py`

# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

from __future__ import absolute_import, division, print_function

from cryptography import utils
from cryptography.hazmat.primitives import hashes


class ObjectIdentifier(object):
    def __init__(self, dotted_string):
        self._dotted_string = dotted_string

        nodes = self._dotted_string.split(".")
        intnodes = []

        # There must be at least 2 nodes, the first node must be 0..2, and
        # if less than 2, the second node cannot have a value outside the
        # range 0..39.  All nodes must be integers.
        for node in nodes:
            try:
                intnodes.append(int(node, 0))
            except ValueError:
                raise ValueError(
                    "Malformed OID: %s (non-integer nodes)" % (
                        self._dotted_string))

        if len(nodes) < 2:
            raise ValueError(
                "Malformed OID: %s (insufficient number of nodes)" % (
                    self._dotted_string))

        if intnodes[0] > 2:
            raise ValueError(
                "Malformed OID: %s (first node outside valid range)" % (
                    self._dotted_string))

        if intnodes[0] < 2 and intnodes[1] >= 40:
            raise ValueError(
                "Malformed OID: %s (second node outside valid range)" % (
                    self._dotted_string))

    def __eq__(self, other):
        if not isinstance(other, ObjectIdentifier):
            return NotImplemented

        return self.dotted_string == other.dotted_string

    def __ne__(self, other):
        return not self == other

    def __repr__(self):
        return "<ObjectIdentifier(oid={0}, name={1})>".format(
            self.dotted_string,
            self._name
        )

    def __hash__(self):
        return hash(self.dotted_string)

    @property
    def _name(self):
        return _OID_NAMES.get(self, "Unknown OID")

    dotted_string = utils.read_only_property("_dotted_string")


class ExtensionOID(object):
    SUBJECT_DIRECTORY_ATTRIBUTES = ObjectIdentifier("2.5.29.9")
    SUBJECT_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.14")
    KEY_USAGE = ObjectIdentifier("2.5.29.15")
    SUBJECT_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.17")
    ISSUER_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.18")
    BASIC_CONSTRAINTS = ObjectIdentifier("2.5.29.19")
    NAME_CONSTRAINTS = ObjectIdentifier("2.5.29.30")
    CRL_DISTRIBUTION_POINTS = ObjectIdentifier("2.5.29.31")
    CERTIFICATE_POLICIES = ObjectIdentifier("2.5.29.32")
    POLICY_MAPPINGS = ObjectIdentifier("2.5.29.33")
    AUTHORITY_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.35")
    POLICY_CONSTRAINTS = ObjectIdentifier("2.5.29.36")
    EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37")
    FRESHEST_CRL = ObjectIdentifier("2.5.29.46")
    INHIBIT_ANY_POLICY = ObjectIdentifier("2.5.29.54")
    AUTHORITY_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.1")
    SUBJECT_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.11")
    OCSP_NO_CHECK = ObjectIdentifier("1.3.6.1.5.5.7.48.1.5")
    TLS_FEATURE = ObjectIdentifier("1.3.6.1.5.5.7.1.24")
    CRL_NUMBER = ObjectIdentifier("2.5.29.20")
    DELTA_CRL_INDICATOR = ObjectIdentifier("2.5.29.27")
    PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS = (
        ObjectIdentifier("1.3.6.1.4.1.11129.2.4.2")
    )


class CRLEntryExtensionOID(object):
    CERTIFICATE_ISSUER = ObjectIdentifier("2.5.29.29")
    CRL_REASON = ObjectIdentifier("2.5.29.21")
    INVALIDITY_DATE = ObjectIdentifier("2.5.29.24")


class NameOID(object):
    COMMON_NAME = ObjectIdentifier("2.5.4.3")
    COUNTRY_NAME = ObjectIdentifier("2.5.4.6")
    LOCALITY_NAME = ObjectIdentifier("2.5.4.7")
    STATE_OR_PROVINCE_NAME = ObjectIdentifier("2.5.4.8")
    STREET_ADDRESS = ObjectIdentifier("2.5.4.9")
    ORGANIZATION_NAME = ObjectIdentifier("2.5.4.10")
    ORGANIZATIONAL_UNIT_NAME = ObjectIdentifier("2.5.4.11")
    SERIAL_NUMBER = ObjectIdentifier("2.5.4.5")
    SURNAME = ObjectIdentifier("2.5.4.4")
    GIVEN_NAME = ObjectIdentifier("2.5.4.42")
    TITLE = ObjectIdentifier("2.5.4.12")
    GENERATION_QUALIFIER = ObjectIdentifier("2.5.4.44")
    X500_UNIQUE_IDENTIFIER = ObjectIdentifier("2.5.4.45")
    DN_QUALIFIER = ObjectIdentifier("2.5.4.46")
    PSEUDONYM = ObjectIdentifier("2.5.4.65")
    USER_ID = ObjectIdentifier("0.9.2342.19200300.100.1.1")
    DOMAIN_COMPONENT = ObjectIdentifier("0.9.2342.19200300.100.1.25")
    EMAIL_ADDRESS = ObjectIdentifier("1.2.840.113549.1.9.1")
    JURISDICTION_COUNTRY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.3")
    JURISDICTION_LOCALITY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.1")
    JURISDICTION_STATE_OR_PROVINCE_NAME = ObjectIdentifier(
        "1.3.6.1.4.1.311.60.2.1.2"
    )
    BUSINESS_CATEGORY = ObjectIdentifier("2.5.4.15")
    POSTAL_ADDRESS = ObjectIdentifier("2.5.4.16")
    POSTAL_CODE = ObjectIdentifier("2.5.4.17")


class SignatureAlgorithmOID(object):
    RSA_WITH_MD5 = ObjectIdentifier("1.2.840.113549.1.1.4")
    RSA_WITH_SHA1 = ObjectIdentifier("1.2.840.113549.1.1.5")
    # This is an alternate OID for RSA with SHA1 that is occasionally seen
    _RSA_WITH_SHA1 = ObjectIdentifier("1.3.14.3.2.29")
    RSA_WITH_SHA224 = ObjectIdentifier("1.2.840.113549.1.1.14")
    RSA_WITH_SHA256 = ObjectIdentifier("1.2.840.113549.1.1.11")
    RSA_WITH_SHA384 = ObjectIdentifier("1.2.840.113549.1.1.12")
    RSA_WITH_SHA512 = ObjectIdentifier("1.2.840.113549.1.1.13")
    RSASSA_PSS = ObjectIdentifier("1.2.840.113549.1.1.10")
    ECDSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10045.4.1")
    ECDSA_WITH_SHA224 = ObjectIdentifier("1.2.840.10045.4.3.1")
    ECDSA_WITH_SHA256 = ObjectIdentifier("1.2.840.10045.4.3.2")
    ECDSA_WITH_SHA384 = ObjectIdentifier("1.2.840.10045.4.3.3")
    ECDSA_WITH_SHA512 = ObjectIdentifier("1.2.840.10045.4.3.4")
    DSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10040.4.3")
    DSA_WITH_SHA224 = ObjectIdentifier("2.16.840.1.101.3.4.3.1")
    DSA_WITH_SHA256 = ObjectIdentifier("2.16.840.1.101.3.4.3.2")


_SIG_OIDS_TO_HASH = {
    SignatureAlgorithmOID.RSA_WITH_MD5: hashes.MD5(),
    SignatureAlgorithmOID.RSA_WITH_SHA1: hashes.SHA1(),
    SignatureAlgorithmOID._RSA_WITH_SHA1: hashes.SHA1(),
    SignatureAlgorithmOID.RSA_WITH_SHA224: hashes.SHA224(),
    SignatureAlgorithmOID.RSA_WITH_SHA256: hashes.SHA256(),
    SignatureAlgorithmOID.RSA_WITH_SHA384: hashes.SHA384(),
    SignatureAlgorithmOID.RSA_WITH_SHA512: hashes.SHA512(),
    SignatureAlgorithmOID.ECDSA_WITH_SHA1: hashes.SHA1(),
    SignatureAlgorithmOID.ECDSA_WITH_SHA224: hashes.SHA224(),
    SignatureAlgorithmOID.ECDSA_WITH_SHA256: hashes.SHA256(),
    SignatureAlgorithmOID.ECDSA_WITH_SHA384: hashes.SHA384(),
    SignatureAlgorithmOID.ECDSA_WITH_SHA512: hashes.SHA512(),
    SignatureAlgorithmOID.DSA_WITH_SHA1: hashes.SHA1(),
    SignatureAlgorithmOID.DSA_WITH_SHA224: hashes.SHA224(),
    SignatureAlgorithmOID.DSA_WITH_SHA256: hashes.SHA256()
}


class ExtendedKeyUsageOID(object):
    SERVER_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.1")
    CLIENT_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.2")
    CODE_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.3")
    EMAIL_PROTECTION = ObjectIdentifier("1.3.6.1.5.5.7.3.4")
    TIME_STAMPING = ObjectIdentifier("1.3.6.1.5.5.7.3.8")
    OCSP_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.9")
    ANY_EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37.0")


class AuthorityInformationAccessOID(object):
    CA_ISSUERS = ObjectIdentifier("1.3.6.1.5.5.7.48.2")
    OCSP = ObjectIdentifier("1.3.6.1.5.5.7.48.1")


class CertificatePoliciesOID(object):
    CPS_QUALIFIER = ObjectIdentifier("1.3.6.1.5.5.7.2.1")
    CPS_USER_NOTICE = ObjectIdentifier("1.3.6.1.5.5.7.2.2")
    ANY_POLICY = ObjectIdentifier("2.5.29.32.0")


_OID_NAMES = {
    NameOID.COMMON_NAME: "commonName",
    NameOID.COUNTRY_NAME: "countryName",
    NameOID.LOCALITY_NAME: "localityName",
    NameOID.STATE_OR_PROVINCE_NAME: "stateOrProvinceName",
    NameOID.STREET_ADDRESS: "streetAddress",
    NameOID.ORGANIZATION_NAME: "organizationName",
    NameOID.ORGANIZATIONAL_UNIT_NAME: "organizationalUnitName",
    NameOID.SERIAL_NUMBER: "serialNumber",
    NameOID.SURNAME: "surname",
    NameOID.GIVEN_NAME: "givenName",
    NameOID.TITLE: "title",
    NameOID.GENERATION_QUALIFIER: "generationQualifier",
    NameOID.X500_UNIQUE_IDENTIFIER: "x500UniqueIdentifier",
    NameOID.DN_QUALIFIER: "dnQualifier",
    NameOID.PSEUDONYM: "pseudonym",
    NameOID.USER_ID: "userID",
    NameOID.DOMAIN_COMPONENT: "domainComponent",
    NameOID.EMAIL_ADDRESS: "emailAddress",
    NameOID.JURISDICTION_COUNTRY_NAME: "jurisdictionCountryName",
    NameOID.JURISDICTION_LOCALITY_NAME: "jurisdictionLocalityName",
    NameOID.JURISDICTION_STATE_OR_PROVINCE_NAME: (
        "jurisdictionStateOrProvinceName"
    ),
    NameOID.BUSINESS_CATEGORY: "businessCategory",
    NameOID.POSTAL_ADDRESS: "postalAddress",
    NameOID.POSTAL_CODE: "postalCode",

    SignatureAlgorithmOID.RSA_WITH_MD5: "md5WithRSAEncryption",
    SignatureAlgorithmOID.RSA_WITH_SHA1: "sha1WithRSAEncryption",
    SignatureAlgorithmOID.RSA_WITH_SHA224: "sha224WithRSAEncryption",
    SignatureAlgorithmOID.RSA_WITH_SHA256: "sha256WithRSAEncryption",
    SignatureAlgorithmOID.RSA_WITH_SHA384: "sha384WithRSAEncryption",
    SignatureAlgorithmOID.RSA_WITH_SHA512: "sha512WithRSAEncryption",
    SignatureAlgorithmOID.RSASSA_PSS: "RSASSA-PSS",
    SignatureAlgorithmOID.ECDSA_WITH_SHA1: "ecdsa-with-SHA1",
    SignatureAlgorithmOID.ECDSA_WITH_SHA224: "ecdsa-with-SHA224",
    SignatureAlgorithmOID.ECDSA_WITH_SHA256: "ecdsa-with-SHA256",
    SignatureAlgorithmOID.ECDSA_WITH_SHA384: "ecdsa-with-SHA384",
    SignatureAlgorithmOID.ECDSA_WITH_SHA512: "ecdsa-with-SHA512",
    SignatureAlgorithmOID.DSA_WITH_SHA1: "dsa-with-sha1",
    SignatureAlgorithmOID.DSA_WITH_SHA224: "dsa-with-sha224",
    SignatureAlgorithmOID.DSA_WITH_SHA256: "dsa-with-sha256",
    ExtendedKeyUsageOID.SERVER_AUTH: "serverAuth",
    ExtendedKeyUsageOID.CLIENT_AUTH: "clientAuth",
    ExtendedKeyUsageOID.CODE_SIGNING: "codeSigning",
    ExtendedKeyUsageOID.EMAIL_PROTECTION: "emailProtection",
    ExtendedKeyUsageOID.TIME_STAMPING: "timeStamping",
    ExtendedKeyUsageOID.OCSP_SIGNING: "OCSPSigning",
    ExtensionOID.SUBJECT_DIRECTORY_ATTRIBUTES: "subjectDirectoryAttributes",
    ExtensionOID.SUBJECT_KEY_IDENTIFIER: "subjectKeyIdentifier",
    ExtensionOID.KEY_USAGE: "keyUsage",
    ExtensionOID.SUBJECT_ALTERNATIVE_NAME: "subjectAltName",
    ExtensionOID.ISSUER_ALTERNATIVE_NAME: "issuerAltName",
    ExtensionOID.BASIC_CONSTRAINTS: "basicConstraints",
    ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS: (
        "signedCertificateTimestampList"
    ),
    CRLEntryExtensionOID.CRL_REASON: "cRLReason",
    CRLEntryExtensionOID.INVALIDITY_DATE: "invalidityDate",
    CRLEntryExtensionOID.CERTIFICATE_ISSUER: "certificateIssuer",
    ExtensionOID.NAME_CONSTRAINTS: "nameConstraints",
    ExtensionOID.CRL_DISTRIBUTION_POINTS: "cRLDistributionPoints",
    ExtensionOID.CERTIFICATE_POLICIES: "certificatePolicies",
    ExtensionOID.POLICY_MAPPINGS: "policyMappings",
    ExtensionOID.AUTHORITY_KEY_IDENTIFIER: "authorityKeyIdentifier",
    ExtensionOID.POLICY_CONSTRAINTS: "policyConstraints",
    ExtensionOID.EXTENDED_KEY_USAGE: "extendedKeyUsage",
    ExtensionOID.FRESHEST_CRL: "freshestCRL",
    ExtensionOID.INHIBIT_ANY_POLICY: "inhibitAnyPolicy",
    ExtensionOID.AUTHORITY_INFORMATION_ACCESS: "authorityInfoAccess",
    ExtensionOID.SUBJECT_INFORMATION_ACCESS: "subjectInfoAccess",
    ExtensionOID.OCSP_NO_CHECK: "OCSPNoCheck",
    ExtensionOID.CRL_NUMBER: "cRLNumber",
    ExtensionOID.DELTA_CRL_INDICATOR: "deltaCRLIndicator",
    ExtensionOID.TLS_FEATURE: "TLSFeature",
    AuthorityInformationAccessOID.OCSP: "OCSP",
    AuthorityInformationAccessOID.CA_ISSUERS: "caIssuers",
    CertificatePoliciesOID.CPS_QUALIFIER: "id-qt-cps",
    CertificatePoliciesOID.CPS_USER_NOTICE: "id-qt-unotice",
}
Name	Size	Permission
__pycache__	---	0755
__init__.py	7179 bytes	0644
base.py	23698 bytes	0644
certificate_transparency.py	1000 bytes	0644
extensions.py	43668 bytes	0644
general_name.py	9887 bytes	0644
name.py	5878 bytes	0644
oid.py	12050 bytes	0644
File Content: oid.py

File Content: `oid.py`
