| 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)), | 
 |       bmpString               BMPString (SIZE(1..MAX)), | 
 |       -- IA5String is added here to handle old UID encoded as ia5String -- | 
 |       -- See tests/userid            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 |