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Direktori : /lib/python3/dist-packages/pyasn1_modules/ |
Current File : //lib/python3/dist-packages/pyasn1_modules/rfc7508.py |
# # This file is part of pyasn1-modules software. # # Created by Russ Housley with assistance from asn1ate v.0.6.0. # # Copyright (c) 2019, Vigil Security, LLC # License: http://snmplabs.com/pyasn1/license.html # # Securing Header Fields with S/MIME # # ASN.1 source from: # https://www.rfc-editor.org/rfc/rfc7508.txt # https://www.rfc-editor.org/errata/eid5875 # from pyasn1.type import char from pyasn1.type import constraint from pyasn1.type import namedtype from pyasn1.type import namedval from pyasn1.type import univ from pyasn1_modules import rfc5652 import string MAX = float('inf') class Algorithm(univ.Enumerated): namedValues = namedval.NamedValues( ('canonAlgorithmSimple', 0), ('canonAlgorithmRelaxed', 1) ) class HeaderFieldStatus(univ.Integer): namedValues = namedval.NamedValues( ('duplicated', 0), ('deleted', 1), ('modified', 2) ) class HeaderFieldName(char.VisibleString): subtypeSpec = ( constraint.PermittedAlphabetConstraint(*string.printable) - constraint.PermittedAlphabetConstraint(':') ) class HeaderFieldValue(char.UTF8String): pass class HeaderField(univ.Sequence): componentType = namedtype.NamedTypes( namedtype.NamedType('field-Name', HeaderFieldName()), namedtype.NamedType('field-Value', HeaderFieldValue()), namedtype.DefaultedNamedType('field-Status', HeaderFieldStatus().subtype(value='duplicated')) ) class HeaderFields(univ.SequenceOf): componentType = HeaderField() subtypeSpec = constraint.ValueSizeConstraint(1, MAX) class SecureHeaderFields(univ.Set): componentType = namedtype.NamedTypes( namedtype.NamedType('canonAlgorithm', Algorithm()), namedtype.NamedType('secHeaderFields', HeaderFields()) ) id_aa = univ.ObjectIdentifier((1, 2, 840, 113549, 1, 9, 16, 2, )) id_aa_secureHeaderFieldsIdentifier = id_aa + (55, ) # Map of Attribute Type OIDs to Attributes added to the # ones that are in rfc5652.py _cmsAttributesMapUpdate = { id_aa_secureHeaderFieldsIdentifier: SecureHeaderFields(), } rfc5652.cmsAttributesMap.update(_cmsAttributesMapUpdate)