--- title: "PKCS#11 [5.2.2852]" slug: "pkcs-11-5-2-2852" updated: 2026-08-19T08:30:34Z published: 2026-08-19T08:30:34Z canonical: "support.fortanix.com/pkcs-11-5-2-2852" --- > ## 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 [5.2.2852] ## Linux 64-bit ### Download [DEB package](https://download.fortanix.com/clients/5.2.2852/fortanix-pkcs11-5.2.2852-amd64.deb) **SHA256 sum:** ```plaintext 2dc8361d19e97bd3bc9131ceb244ee81da8ab943f73c506985bef68c8d75b31c ``` [RPM package](https://download.fortanix.com/clients/5.2.2852/fortanix-pkcs11-5.2.2852-0.x86_64.rpm) **SHA256 sum:** ```plaintext 67a444a2ec5f322c756a6593a331f819115cbb4b99c64a7175c324df414c99d1 ``` [Library (.so file)](https://download.fortanix.com/clients/5.2.2852/fortanix_pkcs11_5.2.2852.so) **SHA256 sum:** ```plaintext 050126b87bbcb2229b513d88ca27022c6aab8dc5a1d94441ce3f416519f5389a ``` ### 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. *For more information, refer to* [*Clients: PKCS#11 Library*](/v1/docs/fortanix-dsm-clients-pkcs11-library)*.* ### 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/5.2.2852/FortanixKmsClient-5.2.2852.msi) **SHA256 sum:** ```plaintext 9c372d129a2666fcbadad48c2890729025c4cd415c794973888fc8c56bfdb9e8 ``` ### Installation The Windows installer installs the PKCS#11 library, as well as the Fortanix CNG and EKM providers. The default installation location of the PKCS#11 library is `C:\Program Files\Fortanix\KmsClient\FortanixKmsPkcs11.dll`