Oids.cs

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namespace System.Security.Cryptography;
 
internal static class Oids
{
    private static volatile Oid _rsaOid;
 
    private static volatile Oid _ecPublicKeyOid;
 
    private static volatile Oid _pkcs9ExtensionRequestOid;
 
    private static volatile Oid _basicConstraints2Oid;
 
    private static volatile Oid _enhancedKeyUsageOid;
 
    private static volatile Oid _keyUsageOid;
 
    private static volatile Oid _subjectKeyIdentifierOid;
 
    internal static Oid RsaOid => _rsaOid ?? (_rsaOid = InitializeOid("1.2.840.113549.1.1.1"));
 
    internal static Oid EcPublicKeyOid => _ecPublicKeyOid ?? (_ecPublicKeyOid = InitializeOid("1.2.840.10045.2.1"));
 
    internal static Oid Pkcs9ExtensionRequestOid => _pkcs9ExtensionRequestOid ?? (_pkcs9ExtensionRequestOid = InitializeOid("1.2.840.113549.1.9.14"));
 
    internal static Oid BasicConstraints2Oid => _basicConstraints2Oid ?? (_basicConstraints2Oid = InitializeOid("2.5.29.19"));
 
    internal static Oid EnhancedKeyUsageOid => _enhancedKeyUsageOid ?? (_enhancedKeyUsageOid = InitializeOid("2.5.29.37"));
 
    internal static Oid KeyUsageOid => _keyUsageOid ?? (_keyUsageOid = InitializeOid("2.5.29.15"));
 
    internal static Oid SubjectKeyIdentifierOid => _subjectKeyIdentifierOid ?? (_subjectKeyIdentifierOid = InitializeOid("2.5.29.14"));
 
    private static Oid InitializeOid(string oidValue)
    {
        Oid oid = new Oid(oidValue, null);
        _ = oid.FriendlyName;
        return oid;
    }
}