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Diffstat (limited to 'python/pyasn1-modules/pyasn1_modules/rfc4210.py')
| -rw-r--r-- | python/pyasn1-modules/pyasn1_modules/rfc4210.py | 695 |
1 files changed, 695 insertions, 0 deletions
diff --git a/python/pyasn1-modules/pyasn1_modules/rfc4210.py b/python/pyasn1-modules/pyasn1_modules/rfc4210.py new file mode 100644 index 000000000..545e9f42f --- /dev/null +++ b/python/pyasn1-modules/pyasn1_modules/rfc4210.py @@ -0,0 +1,695 @@ +# +# Certificate Management Protocol structures as per RFC4210 +# +# Based on Alex Railean's work +# +from pyasn1.type import tag,namedtype,namedval,univ,constraint,char,useful +from pyasn1_modules import rfc2459, rfc2511, rfc2314 + +MAX = 64 + +class KeyIdentifier(univ.OctetString): pass + +class CMPCertificate(rfc2459.Certificate): pass + +class OOBCert(CMPCertificate): pass + +class CertAnnContent(CMPCertificate): pass + +class PKIFreeText(univ.SequenceOf): + """ + PKIFreeText ::= SEQUENCE SIZE (1..MAX) OF UTF8String + """ + componentType = char.UTF8String() + subtypeSpec = univ.SequenceOf.subtypeSpec + constraint.ValueSizeConstraint(1, MAX) + +class PollRepContent(univ.SequenceOf): + """ + PollRepContent ::= SEQUENCE OF SEQUENCE { + certReqId INTEGER, + checkAfter INTEGER, -- time in seconds + reason PKIFreeText OPTIONAL + } + """ + class CertReq(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('certReqId', univ.Integer()), + namedtype.NamedType('checkAfter', univ.Integer()), + namedtype.OptionalNamedType('reason', PKIFreeText()) + ) + componentType = CertReq() + +class PollReqContent(univ.SequenceOf): + """ + PollReqContent ::= SEQUENCE OF SEQUENCE { + certReqId INTEGER + } + + """ + class CertReq(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('certReqId', univ.Integer()) + ) + componentType = CertReq() + +class InfoTypeAndValue(univ.Sequence): + """ + InfoTypeAndValue ::= SEQUENCE { + infoType OBJECT IDENTIFIER, + infoValue ANY DEFINED BY infoType OPTIONAL + }""" + componentType = namedtype.NamedTypes( + namedtype.NamedType('infoType', univ.ObjectIdentifier()), + namedtype.OptionalNamedType('infoValue', univ.Any()) + ) + +class GenRepContent(univ.SequenceOf): + componentType = InfoTypeAndValue() + +class GenMsgContent(univ.SequenceOf): + componentType = InfoTypeAndValue() + +class PKIConfirmContent(univ.Null): pass + +class CRLAnnContent(univ.SequenceOf): + componentType = rfc2459.CertificateList() + +class CAKeyUpdAnnContent(univ.Sequence): + """ + CAKeyUpdAnnContent ::= SEQUENCE { + oldWithNew CMPCertificate, + newWithOld CMPCertificate, + newWithNew CMPCertificate + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('oldWithNew', CMPCertificate()), + namedtype.NamedType('newWithOld', CMPCertificate()), + namedtype.NamedType('newWithNew', CMPCertificate()) + ) + +class RevDetails(univ.Sequence): + """ + RevDetails ::= SEQUENCE { + certDetails CertTemplate, + crlEntryDetails Extensions OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('certDetails', rfc2511.CertTemplate()), + namedtype.OptionalNamedType('crlEntryDetails', rfc2459.Extensions()) + ) + +class RevReqContent(univ.SequenceOf): + componentType = RevDetails() + +class CertOrEncCert(univ.Choice): + """ + CertOrEncCert ::= CHOICE { + certificate [0] CMPCertificate, + encryptedCert [1] EncryptedValue + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('certificate', CMPCertificate().subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0) + ) + ), + namedtype.NamedType('encryptedCert', rfc2511.EncryptedValue().subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1) + ) + ) + ) + +class CertifiedKeyPair(univ.Sequence): + """ + CertifiedKeyPair ::= SEQUENCE { + certOrEncCert CertOrEncCert, + privateKey [0] EncryptedValue OPTIONAL, + publicationInfo [1] PKIPublicationInfo OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('certOrEncCert', CertOrEncCert()), + namedtype.OptionalNamedType('privateKey', rfc2511.EncryptedValue().subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0) + ) + ), + namedtype.OptionalNamedType('publicationInfo', rfc2511.PKIPublicationInfo().subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1) + ) + ) + ) + + +class POPODecKeyRespContent(univ.SequenceOf): + componentType = univ.Integer() + +class Challenge(univ.Sequence): + """ + Challenge ::= SEQUENCE { + owf AlgorithmIdentifier OPTIONAL, + witness OCTET STRING, + challenge OCTET STRING + } + """ + componentType = namedtype.NamedTypes( + namedtype.OptionalNamedType('owf', rfc2459.AlgorithmIdentifier()), + namedtype.NamedType('witness', univ.OctetString()), + namedtype.NamedType('challenge', univ.OctetString()) + ) + +class PKIStatus(univ.Integer): + """ + PKIStatus ::= INTEGER { + accepted (0), + grantedWithMods (1), + rejection (2), + waiting (3), + revocationWarning (4), + revocationNotification (5), + keyUpdateWarning (6) + } + """ + namedValues = namedval.NamedValues( + ('accepted', 0), + ('grantedWithMods', 1), + ('rejection', 2), + ('waiting', 3), + ('revocationWarning', 4), + ('revocationNotification', 5), + ('keyUpdateWarning', 6) + ) + +class PKIFailureInfo(univ.BitString): + """ + PKIFailureInfo ::= BIT STRING { + badAlg (0), + badMessageCheck (1), + badRequest (2), + badTime (3), + badCertId (4), + badDataFormat (5), + wrongAuthority (6), + incorrectData (7), + missingTimeStamp (8), + badPOP (9), + certRevoked (10), + certConfirmed (11), + wrongIntegrity (12), + badRecipientNonce (13), + timeNotAvailable (14), + unacceptedPolicy (15), + unacceptedExtension (16), + addInfoNotAvailable (17), + badSenderNonce (18), + badCertTemplate (19), + signerNotTrusted (20), + transactionIdInUse (21), + unsupportedVersion (22), + notAuthorized (23), + systemUnavail (24), + systemFailure (25), + duplicateCertReq (26) + """ + namedValues = namedval.NamedValues( + ('badAlg', 0), + ('badMessageCheck', 1), + ('badRequest', 2), + ('badTime', 3), + ('badCertId', 4), + ('badDataFormat', 5), + ('wrongAuthority', 6), + ('incorrectData', 7), + ('missingTimeStamp', 8), + ('badPOP', 9), + ('certRevoked', 10), + ('certConfirmed', 11), + ('wrongIntegrity', 12), + ('badRecipientNonce', 13), + ('timeNotAvailable', 14), + ('unacceptedPolicy', 15), + ('unacceptedExtension', 16), + ('addInfoNotAvailable', 17), + ('badSenderNonce', 18), + ('badCertTemplate', 19), + ('signerNotTrusted', 20), + ('transactionIdInUse', 21), + ('unsupportedVersion', 22), + ('notAuthorized', 23), + ('systemUnavail', 24), + ('systemFailure', 25), + ('duplicateCertReq', 26) + ) + +class PKIStatusInfo(univ.Sequence): + """ + PKIStatusInfo ::= SEQUENCE { + status PKIStatus, + statusString PKIFreeText OPTIONAL, + failInfo PKIFailureInfo OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('status', PKIStatus()), + namedtype.OptionalNamedType('statusString', PKIFreeText()), + namedtype.OptionalNamedType('failInfo', PKIFailureInfo()) + ) + +class ErrorMsgContent(univ.Sequence): + """ + ErrorMsgContent ::= SEQUENCE { + pKIStatusInfo PKIStatusInfo, + errorCode INTEGER OPTIONAL, + -- implementation-specific error codes + errorDetails PKIFreeText OPTIONAL + -- implementation-specific error details + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('pKIStatusInfo', PKIStatusInfo()), + namedtype.OptionalNamedType('errorCode', univ.Integer()), + namedtype.OptionalNamedType('errorDetails', PKIFreeText()) + ) + +class CertStatus(univ.Sequence): + """ + CertStatus ::= SEQUENCE { + certHash OCTET STRING, + certReqId INTEGER, + statusInfo PKIStatusInfo OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('certHash', univ.OctetString()), + namedtype.NamedType('certReqId', univ.Integer()), + namedtype.OptionalNamedType('statusInfo', PKIStatusInfo()) + ) + +class CertConfirmContent(univ.SequenceOf): + componentType = CertStatus() + +class RevAnnContent(univ.Sequence): + """ + RevAnnContent ::= SEQUENCE { + status PKIStatus, + certId CertId, + willBeRevokedAt GeneralizedTime, + badSinceDate GeneralizedTime, + crlDetails Extensions OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('status', PKIStatus()), + namedtype.NamedType('certId', rfc2511.CertId()), + namedtype.NamedType('willBeRevokedAt', useful.GeneralizedTime()), + namedtype.NamedType('badSinceDate', useful.GeneralizedTime()), + namedtype.OptionalNamedType('crlDetails', rfc2459.Extensions()) + ) + +class RevRepContent(univ.Sequence): + """ + RevRepContent ::= SEQUENCE { + status SEQUENCE SIZE (1..MAX) OF PKIStatusInfo, + revCerts [0] SEQUENCE SIZE (1..MAX) OF CertId + OPTIONAL, + crls [1] SEQUENCE SIZE (1..MAX) OF CertificateList + OPTIONAL + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('status', PKIStatusInfo()), + namedtype.OptionalNamedType('revCerts', univ.SequenceOf( + componentType=rfc2511.CertId() + ).subtype( + subtypeSpec=constraint.ValueSizeConstraint(1, MAX), + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0) + ) + ), + namedtype.OptionalNamedType('crls', univ.SequenceOf( + componentType=rfc2459.CertificateList() + ).subtype( + subtypeSpec=constraint.ValueSizeConstraint(1, MAX), + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1) + ) + ) + ) + +class KeyRecRepContent(univ.Sequence): + """ + KeyRecRepContent ::= SEQUENCE { + status PKIStatusInfo, + newSigCert [0] CMPCertificate OPTIONAL, + caCerts [1] SEQUENCE SIZE (1..MAX) OF + CMPCertificate OPTIONAL, + keyPairHist [2] SEQUENCE SIZE (1..MAX) OF + CertifiedKeyPair OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('status', PKIStatusInfo()), + namedtype.OptionalNamedType('newSigCert', CMPCertificate().subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0) + ) + ), + namedtype.OptionalNamedType('caCerts', univ.SequenceOf( + componentType=CMPCertificate() + ).subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), + subtypeSpec=constraint.ValueSizeConstraint(1, MAX) + ) + ), + namedtype.OptionalNamedType('keyPairHist', univ.SequenceOf( + componentType=CertifiedKeyPair() + ).subtype( + explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2), + subtypeSpec=constraint.ValueSizeConstraint(1, MAX) + ) + ) + ) + +class CertResponse(univ.Sequence): + """ + CertResponse ::= SEQUENCE { + certReqId INTEGER, + status PKIStatusInfo, + certifiedKeyPair CertifiedKeyPair OPTIONAL, + rspInfo OCTET STRING OPTIONAL + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('certReqId', univ.Integer()), + namedtype.NamedType('status', PKIStatusInfo()), + namedtype.OptionalNamedType('certifiedKeyPair', CertifiedKeyPair()), + namedtype.OptionalNamedType('rspInfo', univ.OctetString()) + ) + +class CertRepMessage(univ.Sequence): + """ + CertRepMessage ::= SEQUENCE { + caPubs [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate + OPTIONAL, + response SEQUENCE OF CertResponse + } + """ + componentType = namedtype.NamedTypes( + namedtype.OptionalNamedType('caPubs', univ.SequenceOf( + componentType=CMPCertificate() + ).subtype( + subtypeSpec=constraint.ValueSizeConstraint(1, MAX), + explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,1) + ) + ), + namedtype.NamedType('response', univ.SequenceOf( + componentType=CertResponse()) + ) + ) + +class POPODecKeyChallContent(univ.SequenceOf): + componentType = Challenge() + +class OOBCertHash(univ.Sequence): + """ + OOBCertHash ::= SEQUENCE { + hashAlg [0] AlgorithmIdentifier OPTIONAL, + certId [1] CertId OPTIONAL, + hashVal BIT STRING + } + """ + componentType = namedtype.NamedTypes( + namedtype.OptionalNamedType('hashAlg', + rfc2459.AlgorithmIdentifier().subtype( + explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,0) + ) + ), + namedtype.OptionalNamedType('certId', rfc2511.CertId().subtype( + explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,1) + ) + ), + namedtype.NamedType('hashVal', univ.BitString()) + ) + +# pyasn1 does not naturally handle recursive definitions, thus this hack: +# NestedMessageContent ::= PKIMessages +class NestedMessageContent(univ.SequenceOf): + """ + NestedMessageContent ::= PKIMessages + """ + componentType = univ.Any() + +class DHBMParameter(univ.Sequence): + """ + DHBMParameter ::= SEQUENCE { + owf AlgorithmIdentifier, + -- AlgId for a One-Way Function (SHA-1 recommended) + mac AlgorithmIdentifier + -- the MAC AlgId (e.g., DES-MAC, Triple-DES-MAC [PKCS11], + } -- or HMAC [RFC2104, RFC2202]) + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('owf', rfc2459.AlgorithmIdentifier()), + namedtype.NamedType('mac', rfc2459.AlgorithmIdentifier()) + ) + +id_DHBasedMac = univ.ObjectIdentifier('1.2.840.113533.7.66.30') + +class PBMParameter(univ.Sequence): + """ + PBMParameter ::= SEQUENCE { + salt OCTET STRING, + owf AlgorithmIdentifier, + iterationCount INTEGER, + mac AlgorithmIdentifier + } + """ + componentType = namedtype.NamedTypes( + namedtype.NamedType('salt', univ.OctetString().subtype( + subtypeSpec=constraint.ValueSizeConstraint(0, 128) + ) + ), + namedtype.NamedType('owf', rfc2459.AlgorithmIdentifier()), + namedtype.NamedType('iterationCount', univ.Integer()), + namedtype.NamedType('mac', rfc2459.AlgorithmIdentifier()) + ) + +id_PasswordBasedMac = univ.ObjectIdentifier('1.2.840.113533.7.66.13') + +class PKIProtection(univ.BitString): pass + +# pyasn1 does not naturally handle recursive definitions, thus this hack: +# NestedMessageContent ::= PKIMessages +nestedMessageContent = NestedMessageContent().subtype(explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,20)) + +class PKIBody(univ.Choice): + """ + PKIBody ::= CHOICE { -- message-specific body elements + ir [0] CertReqMessages, --Initialization Request + ip [1] CertRepMessage, --Initialization Response + cr [2] CertReqMessages, --Certification Request + cp [3] CertRepMessage, --Certification Response + p10cr [4] CertificationRequest, --imported from [PKCS10] + popdecc [5] POPODecKeyChallContent, --pop Challenge + popdecr [6] POPODecKeyRespContent, --pop Response + kur [7] CertReqMessages, --Key Update Request + kup [8] CertRepMessage, --Key Update Response + krr [9] CertReqMessages, --Key Recovery Request + krp [10] KeyRecRepContent, --Key Recovery Response + rr [11] RevReqContent, --Revocation Request + rp [12] RevRepContent, --Revocation Response + ccr [13] CertReqMessages, --Cross-Cert. Request + ccp [14] CertRepMessage, --Cross-Cert. Response + ckuann [15] CAKeyUpdAnnContent, --CA Key Update Ann. + cann [16] CertAnnContent, --Certificate Ann. + rann [17] RevAnnContent, --Revocation Ann. + crlann [18] CRLAnnContent, --CRL Announcement + pkiconf [19] PKIConfirmContent, --Confirmation + nested [20] NestedMessageContent, --Nested Message + genm [21] GenMsgContent, --General Message + + """ + 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) + ) + ) + ) + + +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() |