---
title: "PKCS#11 [4.28.2410]"
slug: "pkcs-11-4-28-2410"
updated: 2026-08-19T08:32:09Z
published: 2026-08-19T08:32:09Z
canonical: "support.fortanix.com/pkcs-11-4-28-2410"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.fortanix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PKCS#11 [4.28.2410]

**Linux 64-bit**

## Linux 64-bit

### Download

[DEB package](https://download.fortanix.com/clients/4.28.2410/fortanix-pkcs11-4.28.2410-amd64.deb) **SHA256 sum:**

```plaintext
580c8581b8b321dafccc6a90197cbf6899e4a39cfa219042bc5290f5e30e4f07
```

[RPM package](https://download.fortanix.com/clients/4.28.2410/fortanix-pkcs11-4.28.2410-0.x86_64.rpm) **SHA256 sum:**

```plaintext
c448375df8318738050f1a435b60ab5a9c4fd34da093b7179a8cc15dca8a3dcc
```

[Library (.so file)](https://download.fortanix.com/clients/4.28.2410/fortanix_pkcs11_4.28.2410.so) **SHA256 sum:**

```plaintext
fe2dc3f17a6303eeb7c846d5f2677be1b57e00c058e118e510a17b581959b087
```

### Installation for DEB

The RPM and DEB installer copies the Fortanix Data Security Manager (DSM) PKCS#11 shared object file (library) to `/opt/fortanix/pkcs11/fortanix_pkcs11.so` . One can also download the `.so` file and use it directly.

Check the [Clients: PKCS#11 Library](/v1/docs/fortanix-dsm-clients-pkcs11-library) for more details.

### Installation for DEB from Public Repo

#### Steps to Download the DEB package

1. Add the following line to the file `/etc/apt/sources.list"`.

```plaintext
deb https://download.fortanix.com/linux/apt focal main
```
2. Download [https://download.fortanix.com/linux/apt/fortanix.gpg](https://download.fortanix.com/linux/apt/fortanix.gpg).
3. After downloading the file `fortanix.gpg`, run the following command to add the file to a trusted source.

```plaintext
sudo apt-key add <directory-path>/fortanix.gpg
```

Where, `directory-path` is the folder where you downloaded the file.
4. Run the following commands to get the latest package from the repo.

```plaintext
sudo apt update
```
5. Run the following command to install the package.

```plaintext
sudo apt install fortanix-pkcs11
```

#### Steps to Download the RPM package

1. Run the following command to go to the `yum.repos.d` directory.

```plaintext
cd /etc/yum.repos.d/
```
2. Create the file `em-agent.repo` in the folder from *Step 1* and add the following contents to it, then save.

```plaintext
[em-agent]
name=EM Agent  - $basearch
baseurl=https://download.fortanix.com/linux/yum/el7/x86_64
enabled=1
gpgkey=https://download.fortanix.com/linux/yum/fortanix.pub
gpgcheck=1
```
3. Run the following commands to get the latest package from the repo.

```plaintext
sudo yum update
```
4. Run the following command to install the package.

```plaintext
sudo yum install fortanix-pkcs11
```

**Windows 64-bit**

## Windows 64-bit

### Download

[Installer](https://download.fortanix.com/clients/4.28.2410/FortanixKmsClient-4.28.2410.msi) **SHA256 sum:**

```plaintext
ee1ef03f57d0ed89dc8df2bf8f337a91d764283ab508a23f5dfed11f21c0213b
```

### Installation

The Windows installer installs the PKCS#11 Library, as well as the Fortanix CNG and EKM providers. The default installation location of PKCS#11 library is `C:\Program Files\Fortanix\KmsClient\FortanixKmsPkcs11.dll`