PKIX1 { }
DEFINITIONS IMPLICIT TAGS ::=
BEGIN
id-ce OBJECT IDENTIFIER  ::=  {joint-iso-ccitt(2) ds(5) 29}
id-ce-authorityKeyIdentifier OBJECT IDENTIFIER ::=  { id-ce 35 }
AuthorityKeyIdentifier ::= SEQUENCE {
      keyIdentifier             [0] KeyIdentifier            OPTIONAL,
   g       UTF8String     (SIZE (1..200)) }
id-ce-policyMappings OBJECT IDENTIFIER ::=  { id-ce 33 }
PolicyMappings ::= SEQUENCE SIZE (1..MAX) OF SEQUENCE {
     issuerDomainPolicy      CertPolicyId,
     subjectDomainPolicy     CertPolicyId }
DirectoryString ::= CHOICE {
      teletexString             TeletexString (SIZE (1..MAX)),
      printableString           PrintableString (SIZE (1..MAX)),
      universalString           UniversalString (SIZE (1..MAX)),
      utf8String              UTF8String (SIZE (1..MAX)),
      b          GeneralizedTime,
   responses                SEQUENCE OF SingleResponse,
   responseExtensions   [1] EXPLICIT Extensions OPTIONAL }
ResponderID ::= CHOICE {
   byName   [1] EXPLICIT RDNSequence, --Name
   byKey    [2] EXPLICIT OCTET STRING --SHA-1 hash of responder's public key
}
CertID ::= SEQUENCE {
    hashAlgorithm            AlgorithmIdentifier,
    issuerNameHash     OCTET STRING, -- Hash of Issuer's DN
    issuerKeyHash      OCTET STRING, -- Hash of Issuers public key
    serialNumber       CertificateSerialNumber }
CertStatus ::= CHOICE {
    good                [0]     IMPLICIT NULL,
    revoked             [1]     IMPLICIT RevokedInfo,
    unknown             [2]     IMPLICIT UnknownInfo }
SingleResponse ::= SEQUENCE {
   certID                       CertID,
   certStatus                   CertStatus,
   thisUpdate                   GeneralizedTime,
   nextUpdate           [0]     EXPLICIT GeneralizedTime OPTIONAL,
   singleExtensions     [1]     EXPLICIT Extensions OPTIONAL }
RevokedInfo ::= SEQUENCE {
    revocationTime              GeneralizedTime,
    revocationReason    [0]     EXPLICIT CRLReason OPTIONAL }
UnknownInfo ::= NULL -- this can be replaced with an enumeration
END