---
title: "DSM Accelerator [4.37] - Mar 28, 2025"
slug: "dsm-accelerator-4-37-mar-28-2025"
updated: 2026-08-28T11:08:55Z
published: 2026-08-28T11:08:55Z
canonical: "support.fortanix.com/dsm-accelerator-4-37-mar-28-2025"
---

> ## 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 [4.37] - Mar 28, 2025

## 1. Overview

This document provides an overview of the new features and resolved issues in the Fortanix Data Security Manager (DSM) Accelerator 4.37 release.

DSM Accelerator Webservice version - **1.25**

## 2. New Features and Bug Fixes

- **DSM Accelerator Webservice:**
  - Added support for encryption and decryption using the RSA keys in Fortanix DSM Accelerator Webservice **(JIRA: PM-395)**. *For more details, refer to* [*DSM Accelerator Webservice Developer Guide*](/v1/docs/dsm-accelerator-webservice-developer-guide#820-encryption-using-an-rsa-key)*.*
  - Resolved a performance issue in Fortanix DSM Accelerator Webservice for AWS Nitro, where one node in the cluster issued export requests more frequently even when the cache Time-To-Live (TTL) was configured longer (**JIRA: PROD-10043**).
  - Fixed an issue in Fortanix DSM Accelerator Webservice for AWS Nitro where, in cluster mode, it failed to export security objects if the locally cached bearer token had expired (**JIRA: PROD-10051**).
- **DSM Accelerator JCE Provider**:
  - Added support for encryption and decryption using the RSA keys in Fortanix DSM Accelerator JCE Provider **(JIRA: PM-395)**. *For more details, refer to* [*DSM Accelerator JCE Provider Developer Guide*](/v1/docs/dsm-accelerator-jce-provider-developer-guide#59-encryption-and-decryption-using-rsa-keys)*.*

## 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` |

---

> [!NOTE]
> NOTE
> 
> The performance numbers below were captured with a single node. For higher performance or throughput, Fortanix recommends adding multiple nodes.

### 3.2 DSM Accelerator Webservice

| **Key Types and Operations** | **Throughput (Operations/second on a 1-node cluster re-using a single TLS session)** |
| --- | --- |
| AES 256: CBC Encryption/Decryption | 21,166/20,828 |
| AES 256: GCM Encryption/Decryption | 22,445/22,134 |
| AES 256: FPE Encryption/Decryption | 9,617/9,578 |

---

### 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 | 22,068/21,823 |
| AES 256: CFB Encryption/Decryption | 22,472/21,986 |
| AES 256: CTR Encryption/Decryption | 22,491/22,017 |
| AES 256: OFB Encryption/Decryption | 22,636/22,240 |
| AES 256: CCM Encryption/Decryption | 22,326/22,071 |