---
title: "DSM Accelerator [5.1] - July 22, 2025"
slug: "dsm-accelerator-5-1-july-22-2025"
updated: 2026-08-28T11:11:10Z
published: 2026-08-28T11:11:10Z
canonical: "support.fortanix.com/dsm-accelerator-5-1-july-22-2025"
---

> ## 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.

# DSM Accelerator [5.1] - July 22, 2025

## 1. Overview

This article provides an overview of the new features in the Fortanix Data Security Manager (DSM) Accelerator 5.1 release.

DSM Accelerator Webservice version - **1.27**

## 2. New Features

- **DSM Accelerator Webservice:**
  - Added support for Mutual TLS (mTLS)-based key exports in Fortanix DSM Accelerator Webservice, enabling key exports from Fortanix DSM using its own certificate instead of client application credentials (**JIRA: PM-523**). *For more information, refer to* [*DSM Accelerator Webservice Developer Guide*](/v1/docs/dsm-accelerator-webservice-developer-guide#76-mutual-tls-mtls-based-exports)*.*

## 3. Fortanix Data Security Manager Accelerator Performance Statistics

### 3.1 Runtime Environment

> [!NOTE]
> NOTE
> 
> - The following table lists the standard recommended runtime environment. You can choose a higher configuration for better performance.
> - DSM Accelerator was run in the runtime environment listed below for performance testing.

| **Item** | **Specification** |
| --- | --- |
| Number of Cores | 4 |
| CPU | Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz |
| RAM | 2 GiB |
| VM Type | Standard D4ds v4 Azure VM |
| Docker Runtime Configuration | `docker run -d --network host --memory=1g --memory-swap=2g --log-driver json-file --log-opt max-size=100m` |

---

### 3.2 DSM Accelerator Webservice

> [!NOTE]
> NOTE
> 
> The performance numbers below are captured with a single node; if you need higher performance or throughput, then Fortanix recommends adding multiple nodes.

| **Key Types and Operations** | **Throughput (Operations/second on a 1-node cluster re-using a single TLS session)** |
| --- | --- |
| AES 256: CBC Encryption/Decryption | 20,999/20,618 |
| AES 256: GCM Encryption/Decryption | 22,040/21,881 |
| AES 256: FPE Encryption/Decryption | 9,501/9,423 |

---

### 3.3 Additional Modes

| **Key Types and Operations** | **Throughput (Operations/second on a 1-node cluster re-using a single TLS session)** |
| --- | --- |
| AES 256: CBCNOPAD Encryption and Decryption | 21,450/21,340 |
| AES 256: CFB Encryption/Decryption | 22,253/21,587 |
| AES 256: CTR Encryption/Decryption | 21,975/21,751 |
| AES 256: OFB Encryption/Decryption | 22,162/21,889 |
| AES 256: CCM Encryption/Decryption | 21,906/21,465 |