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Enable functions through simple web service interfaces

The nShield Web Services Option Pack (WSOP) provides a REST-like API between applications requiring cryptographic key and data protection services and FIPS-certified nShield HSMs. nShield HSMs perform a variety of cryptographic functions like encryption, signing, and key generation.

Beyond Security

Web Services Option Pack Benefits

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Cryptographic Services Access

Applications residing anywhere can access nShield services through https-based web service calls via the REST-like API.

Powerful Architecture
Streamlined Development Process

The efficient, modern web interface improves how fast apps can be developed to access nShield HSM crypto services.

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No Client-side Integration

Integrating applications with nShield HSMs can require binding to local host libraries. Using the web services REST-like API reduces deployment complexity.

Load Balance
Load Balancing Enabled

Use commercial off the shelf load-balancer appliances for load balancing.

Tech Specs

nShield compatibility

  • The WSOP is compatible with all models of nShield Solo and Connect HSMs
  • Must be installed onto a host running a supported version of the Linux OS and have the nShield Security World software installed.
  • Supports Operator Card Set & Softcard protected keys
  • Compatible with the nShield Container Option Pack, allowing WSOP instantiations to be containerized.

API compatilibity

nShield HSMs can support applications using the Web Services API in conjunction with applications using other supported APIs (PKCS#11, Java, CNG, etc.).

What our customers are saying...

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Polycom logo


We have a long history together and we’re extremely comfortable continuing to rely on Entrust solutions for the core of our business. We have used Entrust HSMs for five years and they have always been exceptionally reliable. We’ve layered a lot of code on top of the HSM; it delivers the performance we need and has proven to be a rock-solid foundation.

Neal Harris, Security Engineering Manager, Square, Inc


As a global payment solutions and commerce enablement leader, Verifone’s strategy is to develop and deploy “best in class” payment solutions and services that meet or exceed global security standards and help our clients securely accept electronic payments across all channels of commerce. We selected Entrust HSMs to provide robust security, unmatched performance, and superior scalability across our payment security platforms…

Joe Majka, Chief Security Officer, Verifone


The Entrust nShield sales team provided excellent local and remote support during this evaluation period and was invaluable to the process. The excellent depth, breadth, and quality of the product documentation gave us confidence that the solution was well thought-out and supported.

Robert Fairlie-Cuninghame, QAI Technical Lead/Architect, Memjet


Entrust provided the expertise needed to design and implement a tailored, secure VoIP solution.

Marek Dutkiewicz, Polycom