# PKDResourceType

`PKDResourceType` enumeration contains a set of constants that define the type of certificate used in the procedure of document security object digital signature verification.

```java
public class PKDResourceType {
    public static final int CERTIFICATE_PA = 0;
    public static final int CERTIFICATE_TA = 1;
    public static final int LDIF = 2;
    public static final int CRL = 3;
    public static final int ML = 4;
    public static final int DEFL = 5;
    public static final int DEVL = 6;
    public static final int BL = 7;
}
```

| Constant            | Description                                                              |
| ------------------- | ------------------------------------------------------------------------ |
| **CERTIFICATE\_PA** | Certificate file content (.pem, .cer, .crt, .der)                        |
| **CERTIFICATE\_TA** | Certificate file content (.cvcert) and private key file content (.pkcs8) |
| **LDIF**            | LDIF file content (.ldif)                                                |
| **CRL**             | CRL file content (.crl)                                                  |
| **ML**              | Master List                                                              |
| **DEFL**            | Defect List                                                              |
| **DEVL**            | Deviance List                                                            |
| **BL**              | Black List                                                               |
