---
title: "IPrivateKey"
description: "Namespace: Lacuna.Pki"
canonical: "https://docs.lacunasoftware.com/api/Lacuna.Pki/IPrivateKey"
locale: "pt-BR"
product: "PKI SDK"
last_updated: "2026-06-02"
---

# IPrivateKey

**Namespace:** `Lacuna.Pki`  
**Assembly:** `Lacuna.Pki`  
_Interface_

```csharp
public interface IPrivateKey
```

## Métodos

### `GetEncryptionCsp()`

```csharp
IEncryptionCsp GetEncryptionCsp()
```

**Retorno**

[`IEncryptionCsp`](https://docs.lacunasoftware.com/api/Lacuna.Pki/IEncryptionCsp)

---

### `GetSignatureCsp(DigestAlgorithm)`

```csharp
ISignatureCsp GetSignatureCsp(DigestAlgorithm digestAlgorithm)
```

**Parâmetros**

| Nome | Tipo | Descrição |
|---|---|---|
| `digestAlgorithm` | [`DigestAlgorithm`](https://docs.lacunasoftware.com/api/Lacuna.Pki/DigestAlgorithm) |  |

**Retorno**

[`ISignatureCsp`](https://docs.lacunasoftware.com/api/Lacuna.Pki/ISignatureCsp)

---