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#
# X.509 certificate Request Message Format (CRMF) syntax
#
# ASN.1 source from:
# http://tools.ietf.org/html/rfc2511
#
# Sample captures could be obtained with OpenSSL
#
from pyasn1.type import tag, namedtype, namedval, univ, constraint, char,useful
from pyasn1_modules.rfc2459 import *
from pyasn1_modules import rfc2315
MAX=16
id_pkix = univ.ObjectIdentifier('1.3.6.1.5.5.7')
id_pkip = univ.ObjectIdentifier('1.3.6.1.5.5.7.5')
id_regCtrl = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1')
id_regCtrl_regToken = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1.1')
id_regCtrl_authenticator = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1.2')
id_regCtrl_pkiPublicationInfo = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1.3')
id_regCtrl_pkiArchiveOptions = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1.4')
id_regCtrl_oldCertID = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1.5')
id_regCtrl_protocolEncrKey = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.1.6')
id_regInfo = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.2')
id_regInfo_utf8Pairs = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.2.1')
id_regInfo_certReq = univ.ObjectIdentifier('1.3.6.1.5.5.7.5.2.2')
# This should be in PKIX Certificate Extensions module
class GeneralName(univ.OctetString): pass
# end of PKIX Certificate Extensions module
class UTF8Pairs(char.UTF8String): pass
class ProtocolEncrKey(SubjectPublicKeyInfo): pass
class CertId(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('issuer', GeneralName()),
namedtype.NamedType('serialNumber', univ.Integer())
)
class OldCertId(CertId): pass
class KeyGenParameters(univ.OctetString): pass
class EncryptedValue(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.OptionalNamedType('intendedAlg', AlgorithmIdentifier().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
namedtype.OptionalNamedType('symmAlg', AlgorithmIdentifier().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))),
namedtype.OptionalNamedType('encSymmKey', univ.BitString().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2))),
namedtype.OptionalNamedType('keyAlg', AlgorithmIdentifier().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3))),
namedtype.OptionalNamedType('valueHint', univ.OctetString().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 4))),
namedtype.NamedType('encValue', univ.BitString())
)
class EncryptedKey(univ.Choice):
componentType = namedtype.NamedTypes(
namedtype.NamedType('encryptedValue', EncryptedValue()),
namedtype.NamedType('envelopedData', rfc2315.EnvelopedData().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0)))
)
class PKIArchiveOptions(univ.Choice):
componentType = namedtype.NamedTypes(
namedtype.NamedType('encryptedPrivKey', EncryptedKey().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
namedtype.NamedType('keyGenParameters', KeyGenParameters().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
namedtype.NamedType('archiveRemGenPrivKey', univ.Boolean().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
)
class SinglePubInfo(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('pubMethod', univ.Integer(namedValues=namedval.NamedValues(('dontCare', 0), ('x500', 1), ('web', 2), ('ldap', 3)))),
namedtype.OptionalNamedType('pubLocation', GeneralName())
)
class PKIPublicationInfo(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('action', univ.Integer(namedValues=namedval.NamedValues(('dontPublish', 0), ('pleasePublish', 1)))),
namedtype.OptionalNamedType('pubInfos', univ.SequenceOf(componentType=SinglePubInfo()).subtype(subtypeSpec=constraint.ValueSizeConstraint(1, MAX)))
)
class Authenticator(char.UTF8String): pass
class RegToken(char.UTF8String): pass
class SubsequentMessage(univ.Integer):
namedValues = namedval.NamedValues(
('encrCert', 0),
('challengeResp', 1)
)
class POPOPrivKey(univ.Choice):
componentType = namedtype.NamedTypes(
namedtype.NamedType('thisMessage', univ.BitString().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.NamedType('subsequentMessage', SubsequentMessage().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
namedtype.NamedType('dhMAC', univ.BitString().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
)
class PBMParameter(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('salt', univ.OctetString()),
namedtype.NamedType('owf', AlgorithmIdentifier()),
namedtype.NamedType('iterationCount', univ.Integer()),
namedtype.NamedType('mac', AlgorithmIdentifier())
)
class PKMACValue(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('algId', AlgorithmIdentifier()),
namedtype.NamedType('value', univ.BitString())
)
class POPOSigningKeyInput(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('authInfo', univ.Choice(componentType=namedtype.NamedTypes(namedtype.NamedType('sender', GeneralName().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))), namedtype.NamedType('publicKeyMAC', PKMACValue())))),
namedtype.NamedType('publicKey', SubjectPublicKeyInfo())
)
class POPOSigningKey(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.OptionalNamedType('poposkInput', POPOSigningKeyInput().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
namedtype.NamedType('algorithmIdentifier', AlgorithmIdentifier()),
namedtype.NamedType('signature', univ.BitString())
)
class ProofOfPossession(univ.Choice):
componentType = namedtype.NamedTypes(
namedtype.NamedType('raVerified', univ.Null().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.NamedType('signature', POPOSigningKey().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))),
namedtype.NamedType('keyEncipherment', POPOPrivKey().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2))),
namedtype.NamedType('keyAgreement', POPOPrivKey().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3)))
)
class Controls(univ.SequenceOf):
componentType = AttributeTypeAndValue()
subtypeSpec = univ.SequenceOf.subtypeSpec + constraint.ValueSizeConstraint(1, MAX)
class OptionalValidity(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.OptionalNamedType('notBefore', Time().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.OptionalNamedType('notAfter', Time().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
)
class CertTemplate(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.OptionalNamedType('version', Version().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.OptionalNamedType('serialNumber', univ.Integer().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
namedtype.OptionalNamedType('signingAlg', AlgorithmIdentifier().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2))),
namedtype.OptionalNamedType('issuer', Name().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3))),
namedtype.OptionalNamedType('validity', OptionalValidity().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 4))),
namedtype.OptionalNamedType('subject', Name().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 5))),
namedtype.OptionalNamedType('publicKey', SubjectPublicKeyInfo().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 6))),
namedtype.OptionalNamedType('issuerUID', UniqueIdentifier().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 7))),
namedtype.OptionalNamedType('subjectUID', UniqueIdentifier().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 8))),
namedtype.OptionalNamedType('extensions', Extensions().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 9)))
)
class CertRequest(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('certReqId', univ.Integer()),
namedtype.NamedType('certTemplate', CertTemplate()),
namedtype.OptionalNamedType('controls', Controls())
)
class CertReq(CertRequest): pass
class CertReqMsg(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('certReq', CertRequest()),
namedtype.OptionalNamedType('pop', ProofOfPossession()),
namedtype.OptionalNamedType('regInfo', univ.SequenceOf(componentType=AttributeTypeAndValue).subtype(subtypeSpec=constraint.ValueSizeConstraint(1, MAX)))
)
class CertReqMessages(univ.SequenceOf):
componentType = CertReqMsg()
subtypeSpec = univ.SequenceOf.subtypeSpec + constraint.ValueSizeConstraint(1, MAX)
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