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# This file is being contributed to pyasn1-modules software. # # Created by Russ Housley with assistance from the asn1ate tool. # # Copyright (c) 2019, Vigil Security, LLC # License: http://snmplabs.com/pyasn1/license.html # # PKCS #12: Personal Information Exchange Syntax v1.1 # # ASN.1 source from: # https://www.rfc-editor.org/rfc/rfc7292.txt # https://www.rfc-editor.org/errata_search.php?rfc=7292 from pyasn1.type import char from pyasn1.type import constraint from pyasn1.type import namedtype from pyasn1.type import namedval from pyasn1.type import opentype from pyasn1.type import tag from pyasn1.type import univ from pyasn1_modules import rfc2315 from pyasn1_modules import rfc5652 from pyasn1_modules import rfc5280 from pyasn1_modules import rfc5958 def _OID(*components): output = [] for x in tuple(components): if isinstance(x, univ.ObjectIdentifier): output.extend(list(x)) else: output.append(int(x)) return univ.ObjectIdentifier(output) # Initialize the maps used in PKCS#12 pkcs12BagTypeMap = { } pkcs12CertBagMap = { } pkcs12CRLBagMap = { } pkcs12SecretBagMap = { } # Imports from RFC 2315, RFC 5652, and RFC 5958 DigestInfo = rfc2315.DigestInfo ContentInfo = rfc5652.ContentInfo PKCS12Attribute = rfc5652.Attribute EncryptedPrivateKeyInfo = rfc5958.EncryptedPrivateKeyInfo PrivateKeyInfo = rfc5958.PrivateKeyInfo # CMSSingleAttribute is the same as Attribute in RFC 5652 except the attrValues # SET must have one and only one member class AttributeType(univ.ObjectIdentifier): pass class AttributeValue(univ.Any): pass class AttributeValues(univ.SetOf): pass AttributeValues.componentType = AttributeValue() class CMSSingleAttribute(univ.Sequence): pass CMSSingleAttribute.componentType = namedtype.NamedTypes( namedtype.NamedType('attrType', AttributeType()), namedtype.NamedType('attrValues', AttributeValues().subtype(sizeSpec=constraint.ValueSizeConstraint(1, 1)), openType=opentype.OpenType('attrType', rfc5652.cmsAttributesMap) ) ) # Object identifier arcs rsadsi = _OID(1, 2, 840, 113549) pkcs = _OID(rsadsi, 1) pkcs_9 = _OID(pkcs, 9) certTypes = _OID(pkcs_9, 22) crlTypes = _OID(pkcs_9, 23) pkcs_12 = _OID(pkcs, 12) # PBE Algorithm Identifiers and Parameters Structure pkcs_12PbeIds = _OID(pkcs_12, 1) pbeWithSHAAnd128BitRC4 = _OID(pkcs_12PbeIds, 1) pbeWithSHAAnd40BitRC4 = _OID(pkcs_12PbeIds, 2) pbeWithSHAAnd3_KeyTripleDES_CBC = _OID(pkcs_12PbeIds, 3) pbeWithSHAAnd2_KeyTripleDES_CBC = _OID(pkcs_12PbeIds, 4) pbeWithSHAAnd128BitRC2_CBC = _OID(pkcs_12PbeIds, 5) pbeWithSHAAnd40BitRC2_CBC = _OID(pkcs_12PbeIds, 6) class Pkcs_12PbeParams(univ.Sequence): pass Pkcs_12PbeParams.componentType = namedtype.NamedTypes( namedtype.NamedType('salt', univ.OctetString()), namedtype.NamedType('iterations', univ.Integer()) ) # Bag types bagtypes = _OID(pkcs_12, 10, 1) class BAG_TYPE(univ.Sequence): pass BAG_TYPE.componentType = namedtype.NamedTypes( namedtype.NamedType('id', univ.ObjectIdentifier()), namedtype.NamedType('unnamed1', univ.Any(), openType=opentype.OpenType('attrType', pkcs12BagTypeMap) ) ) id_keyBag = _OID(bagtypes, 1) class KeyBag(PrivateKeyInfo): pass id_pkcs8ShroudedKeyBag = _OID(bagtypes, 2) class PKCS8ShroudedKeyBag(EncryptedPrivateKeyInfo): pass id_certBag = _OID(bagtypes, 3) class CertBag(univ.Sequence): pass CertBag.componentType = namedtype.NamedTypes( namedtype.NamedType('certId', univ.ObjectIdentifier()), namedtype.NamedType('certValue', univ.Any().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)), openType=opentype.OpenType('certId', pkcs12CertBagMap) ) ) x509Certificate = CertBag() x509Certificate['certId'] = _OID(certTypes, 1) x509Certificate['certValue'] = univ.OctetString() # DER-encoded X.509 certificate stored in OCTET STRING sdsiCertificate = CertBag() sdsiCertificate['certId'] = _OID(certTypes, 2) sdsiCertificate['certValue'] = char.IA5String() # Base64-encoded SDSI certificate stored in IA5String id_CRLBag = _OID(bagtypes, 4) class CRLBag(univ.Sequence): pass CRLBag.componentType = namedtype.NamedTypes( namedtype.NamedType('crlId', univ.ObjectIdentifier()), namedtype.NamedType('crlValue', univ.Any().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)), openType=opentype.OpenType('crlId', pkcs12CRLBagMap) ) ) x509CRL = CRLBag() x509CRL['crlId'] = _OID(crlTypes, 1) x509CRL['crlValue'] = univ.OctetString() # DER-encoded X.509 CRL stored in OCTET STRING id_secretBag = _OID(bagtypes, 5) class SecretBag(univ.Sequence): pass SecretBag.componentType = namedtype.NamedTypes( namedtype.NamedType('secretTypeId', univ.ObjectIdentifier()), namedtype.NamedType('secretValue', univ.Any().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)), openType=opentype.OpenType('secretTypeId', pkcs12SecretBagMap) ) ) id_safeContentsBag = _OID(bagtypes, 6) class SafeBag(univ.Sequence): pass SafeBag.componentType = namedtype.NamedTypes( namedtype.NamedType('bagId', univ.ObjectIdentifier()), namedtype.NamedType('bagValue', univ.Any().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)), openType=opentype.OpenType('bagId', pkcs12BagTypeMap) ), namedtype.OptionalNamedType('bagAttributes', univ.SetOf(componentType=PKCS12Attribute()) ) ) class SafeContents(univ.SequenceOf): pass SafeContents.componentType = SafeBag() # The PFX PDU class AuthenticatedSafe(univ.SequenceOf): pass AuthenticatedSafe.componentType = ContentInfo() # Data if unencrypted # EncryptedData if password-encrypted # EnvelopedData if public key-encrypted class MacData(univ.Sequence): pass MacData.componentType = namedtype.NamedTypes( namedtype.NamedType('mac', DigestInfo()), namedtype.NamedType('macSalt', univ.OctetString()), namedtype.DefaultedNamedType('iterations', univ.Integer().subtype(value=1)) # Note: The default is for historical reasons and its use is deprecated ) class PFX(univ.Sequence): pass PFX.componentType = namedtype.NamedTypes( namedtype.NamedType('version', univ.Integer(namedValues=namedval.NamedValues(('v3', 3))) ), namedtype.NamedType('authSafe', ContentInfo()), namedtype.OptionalNamedType('macData', MacData()) ) # Local key identifier (also defined as certificateAttribute in rfc2985.py) pkcs_9_at_localKeyId = _OID(pkcs_9, 21) localKeyId = CMSSingleAttribute() localKeyId['attrType'] = pkcs_9_at_localKeyId localKeyId['attrValues'][0] = univ.OctetString() # Friendly name (also defined as certificateAttribute in rfc2985.py) pkcs_9_ub_pkcs9String = univ.Integer(255) pkcs_9_ub_friendlyName = univ.Integer(pkcs_9_ub_pkcs9String) pkcs_9_at_friendlyName = _OID(pkcs_9, 20) class FriendlyName(char.BMPString): pass FriendlyName.subtypeSpec = constraint.ValueSizeConstraint(1, pkcs_9_ub_friendlyName) friendlyName = CMSSingleAttribute() friendlyName['attrType'] = pkcs_9_at_friendlyName friendlyName['attrValues'][0] = FriendlyName() # Update the PKCS#12 maps _pkcs12BagTypeMap = { id_keyBag: KeyBag(), id_pkcs8ShroudedKeyBag: PKCS8ShroudedKeyBag(), id_certBag: CertBag(), id_CRLBag: CRLBag(), id_secretBag: SecretBag(), id_safeContentsBag: SafeBag(), } pkcs12BagTypeMap.update(_pkcs12BagTypeMap) _pkcs12CertBagMap = { _OID(certTypes, 1): univ.OctetString(), _OID(certTypes, 2): char.IA5String(), } pkcs12CertBagMap.update(_pkcs12CertBagMap) _pkcs12CRLBagMap = { _OID(crlTypes, 1): univ.OctetString(), } pkcs12CRLBagMap.update(_pkcs12CRLBagMap) # Update the Algorithm Identifier map _algorithmIdentifierMapUpdate = { pbeWithSHAAnd128BitRC4: Pkcs_12PbeParams(), pbeWithSHAAnd40BitRC4: Pkcs_12PbeParams(), pbeWithSHAAnd3_KeyTripleDES_CBC: Pkcs_12PbeParams(), pbeWithSHAAnd2_KeyTripleDES_CBC: Pkcs_12PbeParams(), pbeWithSHAAnd128BitRC2_CBC: Pkcs_12PbeParams(), pbeWithSHAAnd40BitRC2_CBC: Pkcs_12PbeParams(), } rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate) # Update the CMS Attribute map _cmsAttributesMapUpdate = { pkcs_9_at_friendlyName: FriendlyName(), pkcs_9_at_localKeyId: univ.OctetString(), } rfc5652.cmsAttributesMap.update(_cmsAttributesMapUpdate)