PKIX1 { }
DEFINITIONS IMPLICIT TAGS ::=
BEGIN
id-ce OBJECT IDENTIFIER  ::=  {joint-iso-ccitt(2) ds(5) 29}
id-ce-authorityKoth be absgent
KeyIdentifier ::= OCTET S	TRING
id-ce-subjectKeyIdentifier OBJECT IDENTIFIER ::=  { id-ce 14 }
SubjectKeyIdentifier ::= KeyIdentifier
id-ce-keyUsage OBJECT IDENTIFIER ::=  { id-ce 15 }
KeyUsage ::= BIT STRING {
     digitalSignature        (0),
     nonRepudiation          (1),
     keyEncipherment         (2),
     dataEncipherment        (3),
     keyAgreement            (4),
     keyCertSign             (5),
     cRLSign                 (6),
     encipherOnly            (7),
     decipherOnly            (8) }
id-ce-privateKeyUsagePeriod OBJECT IDENTIFIER ::=  { id-ce 15 }
PrivateKeyUsagePeriod ::= SEQUENCE {
     notBefore       [0]     GeneralizedTime OPTIONAL,
     notAfter        [1]     GeneralizedTime OPTIONAL }
     -- either notBefore or no	tAfter  [0] EXP6 3 2	6 0 3 2	6 0 0     nAddresses  0	 6