---
title: "DSM Accelerator [4.19] - July 20, 2023"
slug: "dsm-accelerator-4-19-july-20-2023"
updated: 2026-08-19T06:48:14Z
published: 2026-08-19T06:48:14Z
canonical: "support.fortanix.com/dsm-accelerator-4-19-july-20-2023"
---

> ## 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 [4.19] - July 20, 2023

## 1. Overview

This article provides an overview of new features, general improvements, and resolved issues in the Fortanix Data Security Manager (DSM) Accelerator 4.19 release.

## 2. New Features/Improvements

- **DSM Accelerator Webservice:**

*For more details, refer to* [*Developer's Guide: DSM Accelerator Webservice*](/v1/docs/dsm-accelerator-webservice-developer-guide).
  - **Added Guidelines to persist logs for DSM Accelerator Webservice (JIRA: PROD-5641).** *For more details, refer to the* [*Administration Guide: Fortanix DSM Accelerator Webservice External logging Setup Guide*](/v1/docs/dsm-accelerator-webservice-external-logging)*.*
  - **Improved log messages for detailed logging of encryption and decryption operations in the DSM Accelerator Webservice (JIRA: PM-12).**
  - **Added support for Batch Sign and Batch Verify operations in DSM Accelerator Webservice (JIRA: PROD-6849).**
- **DSM Accelerator JCE Provider:**

*For more details, refer to* [*Developer's Guide: DSM Accelerator JCE Provider*](/v1/docs/dsm-accelerator-downloads-dsm-accelerator-jce-provider).

> [!NOTE]
> NOTE
> 
> Until DSM Accelerator release 4.18, users of the DSM Accelerator JCE Provider needed to download the following:
> 
> - DSM Accelerator JCE provider JAR file
> - Java SDK JAR file
> - `libdsmaccelerator.so file`
> 
> Starting in DSM Accelerator release 4.19, the DSM Accelerator JCE Provider and Java SDK have been consolidated into a single JAR file. So, you need to download the following:
> 
> - A consolidated DSM Accelerator JAR file
> - `libdsmaccelerator.so file`
  - **Added support for the FF1 format-preserving encryption mode for tokenization in the DSM Accelerator JCE Provider (JIRA: PROD-6869).**
  - **Improved log messages for detailed logging of encryption and decryption operations in the DSM Accelerator JCE Provider (JIRA: PM-12)**.
- **DSM Accelerator PKCS#11:**
  - **Improved log messages for detailed logging of encryption and decryption operations in the DSM Accelerator PKCS#11 (JIRA: PM-12).**

## 3. Bug Fixes

- The retry mechanism does not work as expected in the DSM Accelerator Webservice **(JIRA: PROD-7068)**.

## 4. Known Issues

- When the Batch Sign operation is performed for Curve Ed25519/X25519 in DSM Accelerator Webservice, the status code is showing as 500 instead of 400 **(JIRA: PROD-7007)**.

## 4. Fortanix Data Security Manager-Accelerator Performance Statistics

### 4.1 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 | 32 GiB |

---

### 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 we recommend adding multiple nodes.

| **Key Types and Operations** | **Throughput (Operations/second on a 1-node cluster)** |
| --- | --- |
| AES 256: CBC Encryption/Decryption | 12,848/12,834 |
| AES 256: GCM Encryption/Decryption | 13,228/13,235 |
| AES 256: FPE Encryption/Decryption | 4,850/4,806 |

---

### 4.3 Additional Modes

| **Key Types and Operations** | **Throughput (Operations/second on a 1-node cluster)** |
| --- | --- |
| AES 256: CBCNOPAD Encryption/Decryption | 11,528/11,421 |
| AES 256: CFB Encryption/Decryption | 13/491/13,458 |
| AES 256: CTR Encryption/Decryption | 13,444/13,550 |
| AES 256: OFB Encryption/Decryption | 13,490/12,631 |