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# coding: utf-8

"""
ASN.1 type classes for PKCS#12 files. Exports the following items:

 - CertBag()
 - CrlBag()
 - Pfx()
 - SafeBag()
 - SecretBag()

Other type classes are defined that help compose the types listed above.
"""

from __future__ import unicode_literals, division, absolute_import, print_function

from .algos import DigestInfo
from .cms import ContentInfo, SignedData
from .core import (
    Any,
    BMPString,
    Integer,
    ObjectIdentifier,
    OctetString,
    ParsableOctetString,
    Sequence,
    SequenceOf,
    SetOf,
)
from .keys import PrivateKeyInfo, EncryptedPrivateKeyInfo
from .x509 import Certificate, KeyPurposeId


# The structures in this file are taken from https://tools.ietf.org/html/rfc7292

class MacData(Sequence):
    _fields = [
        ('mac', DigestInfo),
        ('mac_salt', OctetString),
        ('iterations', Integer, {'default': 1}),
    ]


class Version(Integer):
    _map = {
        3: 'v3'
    }


class AttributeType(ObjectIdentifier):
    _map = {
        # https://tools.ietf.org/html/rfc2985#page-18
        '1.2.840.113549.1.9.20': 'friendly_name',
        '1.2.840.113549.1.9.21': 'local_key_id',
        # https://support.microsoft.com/en-us/kb/287547
        '1.3.6.1.4.1.311.17.1': 'microsoft_local_machine_keyset',
        # https://github.com/frohoff/jdk8u-dev-jdk/blob/master/src/share/classes/sun/security/pkcs12/PKCS12KeyStore.java
        # this is a set of OIDs, representing key usage, the usual value is a SET of one element OID 2.5.29.37.0
        '2.16.840.1.113894.746875.1.1': 'trusted_key_usage',
    }


class SetOfAny(SetOf):
    _child_spec = Any


class SetOfBMPString(SetOf):
    _child_spec = BMPString


class SetOfOctetString(SetOf):
    _child_spec = OctetString


class SetOfKeyPurposeId(SetOf):
    _child_spec = KeyPurposeId


class Attribute(Sequence):
    _fields = [
        ('type', AttributeType),
        ('values', None),
    ]

    _oid_specs = {
        'friendly_name': SetOfBMPString,
        'local_key_id': SetOfOctetString,
        'microsoft_csp_name': SetOfBMPString,
        'trusted_key_usage': SetOfKeyPurposeId,
    }

    def _values_spec(self):
        return self._oid_specs.get(self['type'].native, SetOfAny)

    _spec_callbacks = {
        'values': _values_spec
    }


class Attributes(SetOf):
    _child_spec = Attribute


class Pfx(Sequence):
    _fields = [
        ('version', Version),
        ('auth_safe', ContentInfo),
        ('mac_data', MacData, {'optional': True})
    ]

    _authenticated_safe = None

    @property
    def authenticated_safe(self):
        if self._authenticated_safe is None:
            content = self['auth_safe']['content']
            if isinstance(content, SignedData):
                content = content['content_info']['content']
            self._authenticated_safe = AuthenticatedSafe.load(content.native)
        return self._authenticated_safe


class AuthenticatedSafe(SequenceOf):
    _child_spec = ContentInfo


class BagId(ObjectIdentifier):
    _map = {
        '1.2.840.113549.1.12.10.1.1': 'key_bag',
        '1.2.840.113549.1.12.10.1.2': 'pkcs8_shrouded_key_bag',
        '1.2.840.113549.1.12.10.1.3': 'cert_bag',
        '1.2.840.113549.1.12.10.1.4': 'crl_bag',
        '1.2.840.113549.1.12.10.1.5': 'secret_bag',
        '1.2.840.113549.1.12.10.1.6': 'safe_contents',
    }


class CertId(ObjectIdentifier):
    _map = {
        '1.2.840.113549.1.9.22.1': 'x509',
        '1.2.840.113549.1.9.22.2': 'sdsi',
    }


class CertBag(Sequence):
    _fields = [
        ('cert_id', CertId),
        ('cert_value', ParsableOctetString, {'explicit': 0}),
    ]

    _oid_pair = ('cert_id', 'cert_value')
    _oid_specs = {
        'x509': Certificate,
    }


class CrlBag(Sequence):
    _fields = [
        ('crl_id', ObjectIdentifier),
        ('crl_value', OctetString, {'explicit': 0}),
    ]


class SecretBag(Sequence):
    _fields = [
        ('secret_type_id', ObjectIdentifier),
        ('secret_value', OctetString, {'explicit': 0}),
    ]


class SafeContents(SequenceOf):
    pass


class SafeBag(Sequence):
    _fields = [
        ('bag_id', BagId),
        ('bag_value', Any, {'explicit': 0}),
        ('bag_attributes', Attributes, {'optional': True}),
    ]

    _oid_pair = ('bag_id', 'bag_value')
    _oid_specs = {
        'key_bag': PrivateKeyInfo,
        'pkcs8_shrouded_key_bag': EncryptedPrivateKeyInfo,
        'cert_bag': CertBag,
        'crl_bag': CrlBag,
        'secret_bag': SecretBag,
        'safe_contents': SafeContents
    }


SafeContents._child_spec = SafeBag

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
_perf Folder 0755
__init__.py File 209 B 0644
_elliptic_curve.py File 9.2 KB 0644
_errors.py File 967 B 0644
_ffi.py File 738 B 0644
_inet.py File 4.55 KB 0644
_int.py File 4.51 KB 0644
_iri.py File 8.43 KB 0644
_ordereddict.py File 4.43 KB 0644
_teletex_codec.py File 4.93 KB 0644
_types.py File 939 B 0644
algos.py File 33.3 KB 0644
cms.py File 24.53 KB 0644
core.py File 153.57 KB 0644
crl.py File 15.73 KB 0644
csr.py File 2.09 KB 0644
keys.py File 34.36 KB 0644
ocsp.py File 17.38 KB 0644
parser.py File 8.93 KB 0644
pdf.py File 2.2 KB 0644
pem.py File 6 KB 0644
pkcs12.py File 4.46 KB 0644
tsp.py File 7.64 KB 0644
util.py File 17.62 KB 0644
version.py File 154 B 0644
x509.py File 90.14 KB 0644