--- title: "PKCS#11 [4.34.2503]" slug: "pkcs-11-4-34-2503" updated: 2026-08-19T08:31:04Z published: 2026-08-19T08:31:04Z canonical: "support.fortanix.com/pkcs-11-4-34-2503" --- > ## 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 [4.34.2503] ## Linux 64-bit ### Download [DEB package](https://download.fortanix.com/clients/4.34.2503/fortanix-pkcs11-4.34.2503-amd64.deb) **SHA256 sum:** ```plaintext 292a87f951aea0344f935cc3a27d525ab14b391f124958b376b1cdffed911982 ``` [RPM package](https://download.fortanix.com/clients/4.34.2503/fortanix-pkcs11-4.34.2503-0.x86_64.rpm) **SHA256 sum:** ```plaintext cd9f616ec951d7aeac29b7bfe364c2a79d775a1406722035ee61ea6a0813606c ``` [Library (.so file)](https://download.fortanix.com/clients/4.34.2503/fortanix_pkcs11_4.34.2503.so) **SHA256 sum:** ```plaintext 174e0ac626c067a3d1912ca2c047cd907a52df7df68ad895ffc18fcd0b254c7e ``` ### 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 /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 ### Download [Installer](https://download.fortanix.com/clients/4.34.2503/FortanixKmsClient-4.34.2503.msi) **SHA256 sum:** ```plaintext f8d01038fd9e01cd81afbf7646046c3effb1c63db976943238667b99cde87193 ``` ### 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`