证书标准扩展项oid参考

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/**
     * Subject Directory Attributes
     */
    public static final DERObjectIdentifier SubjectDirectoryAttributes = new DERObjectIdentifier("2.5.29.9");
    
    /**
     * Subject Key Identifier 
     */
    public static final DERObjectIdentifier SubjectKeyIdentifier = new DERObjectIdentifier("2.5.29.14");

    /**
     * Key Usage 
     */
    public static final DERObjectIdentifier KeyUsage = new DERObjectIdentifier("2.5.29.15");

    /**
     * Private Key Usage Period 
     */
    public static final DERObjectIdentifier PrivateKeyUsagePeriod = new DERObjectIdentifier("2.5.29.16");

    /**
     * Subject Alternative Name 
     */
    public static final DERObjectIdentifier SubjectAlternativeName = new DERObjectIdentifier("2.5.29.17");

    /**
     * Issuer Alternative Name 
     */
    public static final DERObjectIdentifier IssuerAlternativeName = new DERObjectIdentifier("2.5.29.18");

    /**
     * Basic Constraints 
     */
    public static final DERObjectIdentifier BasicConstraints = new DERObjectIdentifier("2.5.29.19");

    /**
     * CRL Number 
     */
    public static final DERObjectIdentifier CRLNumber = new DERObjectIdentifier("2.5.29.20");

    /**
     * Reason code 
     */
    public static final DERObjectIdentifier ReasonCode = new DERObjectIdentifier("2.5.29.21");

    /**
     * Hold Instruction Code 
     */
    public static final DERObjectIdentifier InstructionCode = new DERObjectIdentifier("2.5.29.23");

    /**
     * Invalidity Date 
     */
    public static final DERObjectIdentifier InvalidityDate = new DERObjectIdentifier("2.5.29.24");

    /**
     * Delta CRL indicator 
     */
    public static final DERObjectIdentifier DeltaCRLIndicator = new DERObjectIdentifier("2.5.29.27");

    /**
     * Issuing Distribution Point 
     */
    public static final DERObjectIdentifier IssuingDistributionPoint = new DERObjectIdentifier("2.5.29.28");

    /**
     * Certificate Issuer 
     */
    public static final DERObjectIdentifier CertificateIssuer = new DERObjectIdentifier("2.5.29.29");

    /**
     * Name Constraints 
     */
    public static final DERObjectIdentifier NameConstraints = new DERObjectIdentifier("2.5.29.30");

    /**
     * CRL Distribution Points 
     */
    public static final DERObjectIdentifier CRLDistributionPoints = new DERObjectIdentifier("2.5.29.31");

    /**
     * Certificate Policies 
     */
    public static final DERObjectIdentifier CertificatePolicies = new DERObjectIdentifier("2.5.29.32");

    /**
     * Policy Mappings 
     */
    public static final DERObjectIdentifier PolicyMappings = new DERObjectIdentifier("2.5.29.33");

    /**
     * Authority Key Identifier 
     */
    public static final DERObjectIdentifier AuthorityKeyIdentifier = new DERObjectIdentifier("2.5.29.35");

    /**
     * Policy Constraints 
     */
    public static final DERObjectIdentifier PolicyConstraints = new DERObjectIdentifier("2.5.29.36");

    /**
     * Extended Key Usage 
     */
    public static final DERObjectIdentifier ExtendedKeyUsage = new DERObjectIdentifier("2.5.29.37");

    /**
     * Freshest CRL
     */
    public static final DERObjectIdentifier FreshestCRL = new DERObjectIdentifier("2.5.29.46");
     
    /**
     * Inhibit Any Policy
     */
    public static final DERObjectIdentifier InhibitAnyPolicy = new DERObjectIdentifier("2.5.29.54");

    /**
     * Authority Info Access
     */
    public static final DERObjectIdentifier AuthorityInfoAccess = new DERObjectIdentifier("1.3.6.1.5.5.7.1.1");

    /**
     * Subject Info Access
     */
    public static final DERObjectIdentifier SubjectInfoAccess = new DERObjectIdentifier("1.3.6.1.5.5.7.1.11");
    
    /**
     * Logo Type
     */
    public static final DERObjectIdentifier LogoType = new DERObjectIdentifier("1.3.6.1.5.5.7.1.12");

    /**
     * BiometricInfo
     */
    public static final DERObjectIdentifier BiometricInfo = new DERObjectIdentifier("1.3.6.1.5.5.7.1.2");
    
    /**
     * QCStatements
     */
    public static final DERObjectIdentifier QCStatements = new DERObjectIdentifier("1.3.6.1.5.5.7.1.3");

    /**
     * Audit identity extension in attribute certificates.
     */
    public static final DERObjectIdentifier AuditIdentity = new DERObjectIdentifier("1.3.6.1.5.5.7.1.4");
    
    /**
     * NoRevAvail extension in attribute certificates.
     */
    public static final DERObjectIdentifier NoRevAvail = new DERObjectIdentifier("2.5.29.56");

    /**
     * TargetInformation extension in attribute certificates.
     */
    public static final DERObjectIdentifier TargetInformation = new DERObjectIdentifier("2.5.29.55");