798 lines
28 KiB
Python
798 lines
28 KiB
Python
#
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# This file is part of pyasn1-modules software.
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#
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# Copyright (c) 2005-2018, Ilya Etingof <etingof@gmail.com>
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# License: http://snmplabs.com/pyasn1/license.html
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#
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# Certificate Management Protocol structures as per RFC4210
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#
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# Based on Alex Railean's work
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#
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from pyasn1.type import char
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from pyasn1.type import constraint
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from pyasn1.type import namedtype
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from pyasn1.type import namedval
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from pyasn1.type import tag
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from pyasn1.type import univ
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from pyasn1.type import useful
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from pyasn1_modules import rfc2314
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from pyasn1_modules import rfc2459
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from pyasn1_modules import rfc2511
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MAX = float('inf')
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class KeyIdentifier(univ.OctetString):
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pass
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class CMPCertificate(rfc2459.Certificate):
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pass
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class OOBCert(CMPCertificate):
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pass
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class CertAnnContent(CMPCertificate):
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pass
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class PKIFreeText(univ.SequenceOf):
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"""
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PKIFreeText ::= SEQUENCE SIZE (1..MAX) OF UTF8String
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"""
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componentType = char.UTF8String()
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subtypeSpec = univ.SequenceOf.subtypeSpec + constraint.ValueSizeConstraint(1, MAX)
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class PollRepContent(univ.SequenceOf):
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"""
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PollRepContent ::= SEQUENCE OF SEQUENCE {
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certReqId INTEGER,
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checkAfter INTEGER, -- time in seconds
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reason PKIFreeText OPTIONAL
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}
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"""
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class CertReq(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certReqId', univ.Integer()),
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namedtype.NamedType('checkAfter', univ.Integer()),
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namedtype.OptionalNamedType('reason', PKIFreeText())
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)
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componentType = CertReq()
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class PollReqContent(univ.SequenceOf):
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"""
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PollReqContent ::= SEQUENCE OF SEQUENCE {
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certReqId INTEGER
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}
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"""
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class CertReq(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certReqId', univ.Integer())
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)
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componentType = CertReq()
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class InfoTypeAndValue(univ.Sequence):
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"""
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InfoTypeAndValue ::= SEQUENCE {
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infoType OBJECT IDENTIFIER,
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infoValue ANY DEFINED BY infoType OPTIONAL
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}"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('infoType', univ.ObjectIdentifier()),
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namedtype.OptionalNamedType('infoValue', univ.Any())
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)
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class GenRepContent(univ.SequenceOf):
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componentType = InfoTypeAndValue()
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class GenMsgContent(univ.SequenceOf):
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componentType = InfoTypeAndValue()
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class PKIConfirmContent(univ.Null):
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pass
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class CRLAnnContent(univ.SequenceOf):
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componentType = rfc2459.CertificateList()
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class CAKeyUpdAnnContent(univ.Sequence):
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"""
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CAKeyUpdAnnContent ::= SEQUENCE {
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oldWithNew CMPCertificate,
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newWithOld CMPCertificate,
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newWithNew CMPCertificate
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('oldWithNew', CMPCertificate()),
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namedtype.NamedType('newWithOld', CMPCertificate()),
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namedtype.NamedType('newWithNew', CMPCertificate())
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)
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class RevDetails(univ.Sequence):
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"""
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RevDetails ::= SEQUENCE {
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certDetails CertTemplate,
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crlEntryDetails Extensions OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certDetails', rfc2511.CertTemplate()),
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namedtype.OptionalNamedType('crlEntryDetails', rfc2459.Extensions())
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)
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class RevReqContent(univ.SequenceOf):
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componentType = RevDetails()
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class CertOrEncCert(univ.Choice):
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"""
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CertOrEncCert ::= CHOICE {
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certificate [0] CMPCertificate,
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encryptedCert [1] EncryptedValue
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certificate', CMPCertificate().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
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namedtype.NamedType('encryptedCert', rfc2511.EncryptedValue().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)))
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)
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class CertifiedKeyPair(univ.Sequence):
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"""
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CertifiedKeyPair ::= SEQUENCE {
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certOrEncCert CertOrEncCert,
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privateKey [0] EncryptedValue OPTIONAL,
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publicationInfo [1] PKIPublicationInfo OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certOrEncCert', CertOrEncCert()),
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namedtype.OptionalNamedType('privateKey', rfc2511.EncryptedValue().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
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namedtype.OptionalNamedType('publicationInfo', rfc2511.PKIPublicationInfo().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)))
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)
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class POPODecKeyRespContent(univ.SequenceOf):
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componentType = univ.Integer()
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class Challenge(univ.Sequence):
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"""
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Challenge ::= SEQUENCE {
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owf AlgorithmIdentifier OPTIONAL,
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witness OCTET STRING,
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challenge OCTET STRING
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.OptionalNamedType('owf', rfc2459.AlgorithmIdentifier()),
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namedtype.NamedType('witness', univ.OctetString()),
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namedtype.NamedType('challenge', univ.OctetString())
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)
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class PKIStatus(univ.Integer):
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"""
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PKIStatus ::= INTEGER {
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accepted (0),
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grantedWithMods (1),
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rejection (2),
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waiting (3),
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revocationWarning (4),
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revocationNotification (5),
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keyUpdateWarning (6)
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}
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"""
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namedValues = namedval.NamedValues(
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('accepted', 0),
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('grantedWithMods', 1),
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('rejection', 2),
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('waiting', 3),
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('revocationWarning', 4),
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('revocationNotification', 5),
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('keyUpdateWarning', 6)
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)
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class PKIFailureInfo(univ.BitString):
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"""
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PKIFailureInfo ::= BIT STRING {
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badAlg (0),
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badMessageCheck (1),
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badRequest (2),
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badTime (3),
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badCertId (4),
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badDataFormat (5),
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wrongAuthority (6),
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incorrectData (7),
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missingTimeStamp (8),
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badPOP (9),
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certRevoked (10),
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certConfirmed (11),
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wrongIntegrity (12),
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badRecipientNonce (13),
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timeNotAvailable (14),
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unacceptedPolicy (15),
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unacceptedExtension (16),
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addInfoNotAvailable (17),
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badSenderNonce (18),
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badCertTemplate (19),
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signerNotTrusted (20),
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transactionIdInUse (21),
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unsupportedVersion (22),
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notAuthorized (23),
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systemUnavail (24),
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systemFailure (25),
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duplicateCertReq (26)
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"""
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namedValues = namedval.NamedValues(
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('badAlg', 0),
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('badMessageCheck', 1),
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('badRequest', 2),
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('badTime', 3),
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('badCertId', 4),
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('badDataFormat', 5),
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('wrongAuthority', 6),
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('incorrectData', 7),
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('missingTimeStamp', 8),
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('badPOP', 9),
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('certRevoked', 10),
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('certConfirmed', 11),
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('wrongIntegrity', 12),
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('badRecipientNonce', 13),
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('timeNotAvailable', 14),
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('unacceptedPolicy', 15),
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('unacceptedExtension', 16),
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('addInfoNotAvailable', 17),
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('badSenderNonce', 18),
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('badCertTemplate', 19),
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('signerNotTrusted', 20),
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('transactionIdInUse', 21),
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('unsupportedVersion', 22),
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('notAuthorized', 23),
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('systemUnavail', 24),
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('systemFailure', 25),
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('duplicateCertReq', 26)
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)
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class PKIStatusInfo(univ.Sequence):
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"""
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PKIStatusInfo ::= SEQUENCE {
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status PKIStatus,
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statusString PKIFreeText OPTIONAL,
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failInfo PKIFailureInfo OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('status', PKIStatus()),
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namedtype.OptionalNamedType('statusString', PKIFreeText()),
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namedtype.OptionalNamedType('failInfo', PKIFailureInfo())
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)
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class ErrorMsgContent(univ.Sequence):
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"""
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ErrorMsgContent ::= SEQUENCE {
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pKIStatusInfo PKIStatusInfo,
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errorCode INTEGER OPTIONAL,
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-- implementation-specific error codes
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errorDetails PKIFreeText OPTIONAL
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-- implementation-specific error details
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('pKIStatusInfo', PKIStatusInfo()),
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namedtype.OptionalNamedType('errorCode', univ.Integer()),
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namedtype.OptionalNamedType('errorDetails', PKIFreeText())
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)
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class CertStatus(univ.Sequence):
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"""
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CertStatus ::= SEQUENCE {
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certHash OCTET STRING,
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certReqId INTEGER,
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statusInfo PKIStatusInfo OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certHash', univ.OctetString()),
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namedtype.NamedType('certReqId', univ.Integer()),
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namedtype.OptionalNamedType('statusInfo', PKIStatusInfo())
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)
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class CertConfirmContent(univ.SequenceOf):
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componentType = CertStatus()
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class RevAnnContent(univ.Sequence):
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"""
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RevAnnContent ::= SEQUENCE {
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status PKIStatus,
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certId CertId,
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willBeRevokedAt GeneralizedTime,
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badSinceDate GeneralizedTime,
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crlDetails Extensions OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('status', PKIStatus()),
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namedtype.NamedType('certId', rfc2511.CertId()),
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namedtype.NamedType('willBeRevokedAt', useful.GeneralizedTime()),
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namedtype.NamedType('badSinceDate', useful.GeneralizedTime()),
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namedtype.OptionalNamedType('crlDetails', rfc2459.Extensions())
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)
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class RevRepContent(univ.Sequence):
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"""
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RevRepContent ::= SEQUENCE {
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status SEQUENCE SIZE (1..MAX) OF PKIStatusInfo,
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revCerts [0] SEQUENCE SIZE (1..MAX) OF CertId
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OPTIONAL,
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crls [1] SEQUENCE SIZE (1..MAX) OF CertificateList
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OPTIONAL
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('status', PKIStatusInfo()),
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namedtype.OptionalNamedType(
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'revCerts', univ.SequenceOf(componentType=rfc2511.CertId()).subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX),
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0)
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)
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),
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namedtype.OptionalNamedType(
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'crls', univ.SequenceOf(componentType=rfc2459.CertificateList()).subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX),
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)
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)
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)
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)
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class KeyRecRepContent(univ.Sequence):
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"""
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KeyRecRepContent ::= SEQUENCE {
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status PKIStatusInfo,
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newSigCert [0] CMPCertificate OPTIONAL,
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caCerts [1] SEQUENCE SIZE (1..MAX) OF
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CMPCertificate OPTIONAL,
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keyPairHist [2] SEQUENCE SIZE (1..MAX) OF
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CertifiedKeyPair OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('status', PKIStatusInfo()),
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namedtype.OptionalNamedType(
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'newSigCert', CMPCertificate().subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0)
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)
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),
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namedtype.OptionalNamedType(
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'caCerts', univ.SequenceOf(componentType=CMPCertificate()).subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1),
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX)
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)
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),
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namedtype.OptionalNamedType('keyPairHist', univ.SequenceOf(componentType=CertifiedKeyPair()).subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2),
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX))
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)
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)
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class CertResponse(univ.Sequence):
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"""
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CertResponse ::= SEQUENCE {
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certReqId INTEGER,
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status PKIStatusInfo,
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certifiedKeyPair CertifiedKeyPair OPTIONAL,
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rspInfo OCTET STRING OPTIONAL
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('certReqId', univ.Integer()),
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namedtype.NamedType('status', PKIStatusInfo()),
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namedtype.OptionalNamedType('certifiedKeyPair', CertifiedKeyPair()),
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namedtype.OptionalNamedType('rspInfo', univ.OctetString())
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)
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class CertRepMessage(univ.Sequence):
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"""
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CertRepMessage ::= SEQUENCE {
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caPubs [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
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OPTIONAL,
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response SEQUENCE OF CertResponse
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.OptionalNamedType(
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'caPubs', univ.SequenceOf(
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componentType=CMPCertificate()
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).subtype(subtypeSpec=constraint.ValueSizeConstraint(1, MAX), explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))
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),
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namedtype.NamedType('response', univ.SequenceOf(componentType=CertResponse()))
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)
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class POPODecKeyChallContent(univ.SequenceOf):
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componentType = Challenge()
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class OOBCertHash(univ.Sequence):
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"""
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OOBCertHash ::= SEQUENCE {
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hashAlg [0] AlgorithmIdentifier OPTIONAL,
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certId [1] CertId OPTIONAL,
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hashVal BIT STRING
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.OptionalNamedType(
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'hashAlg', rfc2459.AlgorithmIdentifier().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))
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),
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namedtype.OptionalNamedType(
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'certId', rfc2511.CertId().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))
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),
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namedtype.NamedType('hashVal', univ.BitString())
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)
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# pyasn1 does not naturally handle recursive definitions, thus this hack:
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# NestedMessageContent ::= PKIMessages
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class NestedMessageContent(univ.SequenceOf):
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"""
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NestedMessageContent ::= PKIMessages
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"""
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componentType = univ.Any()
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class DHBMParameter(univ.Sequence):
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"""
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DHBMParameter ::= SEQUENCE {
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owf AlgorithmIdentifier,
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-- AlgId for a One-Way Function (SHA-1 recommended)
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mac AlgorithmIdentifier
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-- the MAC AlgId (e.g., DES-MAC, Triple-DES-MAC [PKCS11],
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} -- or HMAC [RFC2104, RFC2202])
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('owf', rfc2459.AlgorithmIdentifier()),
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namedtype.NamedType('mac', rfc2459.AlgorithmIdentifier())
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)
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id_DHBasedMac = univ.ObjectIdentifier('1.2.840.113533.7.66.30')
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class PBMParameter(univ.Sequence):
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"""
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PBMParameter ::= SEQUENCE {
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salt OCTET STRING,
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owf AlgorithmIdentifier,
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iterationCount INTEGER,
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mac AlgorithmIdentifier
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}
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"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType(
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'salt', univ.OctetString().subtype(subtypeSpec=constraint.ValueSizeConstraint(0, 128))
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),
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namedtype.NamedType('owf', rfc2459.AlgorithmIdentifier()),
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namedtype.NamedType('iterationCount', univ.Integer()),
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namedtype.NamedType('mac', rfc2459.AlgorithmIdentifier())
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)
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id_PasswordBasedMac = univ.ObjectIdentifier('1.2.840.113533.7.66.13')
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class PKIProtection(univ.BitString):
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pass
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# pyasn1 does not naturally handle recursive definitions, thus this hack:
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# NestedMessageContent ::= PKIMessages
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nestedMessageContent = NestedMessageContent().subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 20))
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class PKIBody(univ.Choice):
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"""
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PKIBody ::= CHOICE { -- message-specific body elements
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ir [0] CertReqMessages, --Initialization Request
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ip [1] CertRepMessage, --Initialization Response
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cr [2] CertReqMessages, --Certification Request
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cp [3] CertRepMessage, --Certification Response
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p10cr [4] CertificationRequest, --imported from [PKCS10]
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popdecc [5] POPODecKeyChallContent, --pop Challenge
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popdecr [6] POPODecKeyRespContent, --pop Response
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kur [7] CertReqMessages, --Key Update Request
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kup [8] CertRepMessage, --Key Update Response
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krr [9] CertReqMessages, --Key Recovery Request
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krp [10] KeyRecRepContent, --Key Recovery Response
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rr [11] RevReqContent, --Revocation Request
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rp [12] RevRepContent, --Revocation Response
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ccr [13] CertReqMessages, --Cross-Cert. Request
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ccp [14] CertRepMessage, --Cross-Cert. Response
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ckuann [15] CAKeyUpdAnnContent, --CA Key Update Ann.
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cann [16] CertAnnContent, --Certificate Ann.
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rann [17] RevAnnContent, --Revocation Ann.
|
|
crlann [18] CRLAnnContent, --CRL Announcement
|
|
pkiconf [19] PKIConfirmContent, --Confirmation
|
|
nested [20] NestedMessageContent, --Nested Message
|
|
genm [21] GenMsgContent, --General Message
|
|
genp [22] GenRepContent, --General Response
|
|
error [23] ErrorMsgContent, --Error Message
|
|
certConf [24] CertConfirmContent, --Certificate confirm
|
|
pollReq [25] PollReqContent, --Polling request
|
|
pollRep [26] PollRepContent --Polling response
|
|
|
|
"""
|
|
componentType = namedtype.NamedTypes(
|
|
namedtype.NamedType(
|
|
'ir', rfc2511.CertReqMessages().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'ip', CertRepMessage().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'cr', rfc2511.CertReqMessages().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'cp', CertRepMessage().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'p10cr', rfc2314.CertificationRequest().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 4)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'popdecc', POPODecKeyChallContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 5)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'popdecr', POPODecKeyRespContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 6)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'kur', rfc2511.CertReqMessages().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 7)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'kup', CertRepMessage().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 8)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'krr', rfc2511.CertReqMessages().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 9)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'krp', KeyRecRepContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 10)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'rr', RevReqContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 11)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'rp', RevRepContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 12)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'ccr', rfc2511.CertReqMessages().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 13)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'ccp', CertRepMessage().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 14)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'ckuann', CAKeyUpdAnnContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 15)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'cann', CertAnnContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 16)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'rann', RevAnnContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 17)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'crlann', CRLAnnContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 18)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'pkiconf', PKIConfirmContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 19)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'nested', nestedMessageContent
|
|
),
|
|
# namedtype.NamedType('nested', NestedMessageContent().subtype(
|
|
# explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,20)
|
|
# )
|
|
# ),
|
|
namedtype.NamedType(
|
|
'genm', GenMsgContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 21)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'gen', GenRepContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 22)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'error', ErrorMsgContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 23)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'certConf', CertConfirmContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 24)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'pollReq', PollReqContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 25)
|
|
)
|
|
),
|
|
namedtype.NamedType(
|
|
'pollRep', PollRepContent().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 26)
|
|
)
|
|
)
|
|
)
|
|
|
|
|
|
class PKIHeader(univ.Sequence):
|
|
"""
|
|
PKIHeader ::= SEQUENCE {
|
|
pvno INTEGER { cmp1999(1), cmp2000(2) },
|
|
sender GeneralName,
|
|
recipient GeneralName,
|
|
messageTime [0] GeneralizedTime OPTIONAL,
|
|
protectionAlg [1] AlgorithmIdentifier OPTIONAL,
|
|
senderKID [2] KeyIdentifier OPTIONAL,
|
|
recipKID [3] KeyIdentifier OPTIONAL,
|
|
transactionID [4] OCTET STRING OPTIONAL,
|
|
senderNonce [5] OCTET STRING OPTIONAL,
|
|
recipNonce [6] OCTET STRING OPTIONAL,
|
|
freeText [7] PKIFreeText OPTIONAL,
|
|
generalInfo [8] SEQUENCE SIZE (1..MAX) OF
|
|
InfoTypeAndValue OPTIONAL
|
|
}
|
|
|
|
"""
|
|
componentType = namedtype.NamedTypes(
|
|
namedtype.NamedType(
|
|
'pvno', univ.Integer(
|
|
namedValues=namedval.NamedValues(('cmp1999', 1), ('cmp2000', 2))
|
|
)
|
|
),
|
|
namedtype.NamedType('sender', rfc2459.GeneralName()),
|
|
namedtype.NamedType('recipient', rfc2459.GeneralName()),
|
|
namedtype.OptionalNamedType('messageTime', useful.GeneralizedTime().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
|
|
namedtype.OptionalNamedType('protectionAlg', rfc2459.AlgorithmIdentifier().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))),
|
|
namedtype.OptionalNamedType('senderKID', rfc2459.KeyIdentifier().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2))),
|
|
namedtype.OptionalNamedType('recipKID', rfc2459.KeyIdentifier().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 3))),
|
|
namedtype.OptionalNamedType('transactionID', univ.OctetString().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4))),
|
|
namedtype.OptionalNamedType('senderNonce', univ.OctetString().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 5))),
|
|
namedtype.OptionalNamedType('recipNonce', univ.OctetString().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 6))),
|
|
namedtype.OptionalNamedType('freeText', PKIFreeText().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 7))),
|
|
namedtype.OptionalNamedType('generalInfo',
|
|
univ.SequenceOf(
|
|
componentType=InfoTypeAndValue().subtype(
|
|
subtypeSpec=constraint.ValueSizeConstraint(1, MAX),
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 8)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
|
|
class ProtectedPart(univ.Sequence):
|
|
"""
|
|
ProtectedPart ::= SEQUENCE {
|
|
header PKIHeader,
|
|
body PKIBody
|
|
}
|
|
"""
|
|
componentType = namedtype.NamedTypes(
|
|
namedtype.NamedType('header', PKIHeader()),
|
|
namedtype.NamedType('infoValue', PKIBody())
|
|
)
|
|
|
|
|
|
class PKIMessage(univ.Sequence):
|
|
"""
|
|
PKIMessage ::= SEQUENCE {
|
|
header PKIHeader,
|
|
body PKIBody,
|
|
protection [0] PKIProtection OPTIONAL,
|
|
extraCerts [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
|
|
OPTIONAL
|
|
}"""
|
|
componentType = namedtype.NamedTypes(
|
|
namedtype.NamedType('header', PKIHeader()),
|
|
namedtype.NamedType('body', PKIBody()),
|
|
namedtype.OptionalNamedType('protection', PKIProtection().subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
|
|
namedtype.OptionalNamedType('extraCerts',
|
|
univ.SequenceOf(
|
|
componentType=CMPCertificate()
|
|
).subtype(
|
|
subtypeSpec=constraint.ValueSizeConstraint(1, MAX),
|
|
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)
|
|
)
|
|
)
|
|
)
|
|
|
|
|
|
class PKIMessages(univ.SequenceOf):
|
|
"""
|
|
PKIMessages ::= SEQUENCE SIZE (1..MAX) OF PKIMessage
|
|
"""
|
|
componentType = PKIMessage()
|
|
subtypeSpec = univ.SequenceOf.subtypeSpec + constraint.ValueSizeConstraint(1, MAX)
|
|
|
|
|
|
# pyasn1 does not naturally handle recursive definitions, thus this hack:
|
|
# NestedMessageContent ::= PKIMessages
|
|
NestedMessageContent._componentType = PKIMessages()
|
|
nestedMessageContent._componentType = PKIMessages()
|