---
description: This page covers the description of the PKDResourceType enumeration
---

# 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.

```javascript
const PKDResourceType = {
    CERTIFICATE_PA: 0,
    CERTIFICATE_TA: 1,
    LDIF: 2,
    CRL: 3,
    ML: 4,
    DEFL: 5,
    DEVL: 6,
    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                                                               |
