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Digitorus is a software development and consultancy company specialized in Public Key Infrastructure (PKI), Digital Signatures, and Trustworthy Systems (TWS) that require a high level of confidentiality, integrity, and availability.

The founder Paul van Brouwershaven is a Visionary Leader, Technologist with a proven history of delivering comprehensive knowledge, expertise, and hands in development, management, and operations of Certificate Authorities (CA) and Trust Service Providers (TSP) which are regulated by ETSI, eIDAS, WebTrust, and CA/Browser Forum.

Paul has extensive day to day experience with Encryption, Hardware Security Modules (HSM), Digital Signatures, X.509 Certificates, Public Key Infrastructure (PKI) and compliance. As a trusted public figure he started to increase public awareness of the requirements for online security more than twenty years ago and is frequently invited to speak at events and seminars.

He started Digitorus during his time as Technology Solutions Director at GlobalSign, one of the largest publicly trusted Certificate Authorities in the world. Since then he worked with and for many companies and trusted third parties involved with PKI and digital signatures.

Prior starting Digitorus, Paul held the position of CTO at Networking4all, where he helped gain international name recognition and a solid customer base through visionary leadership, technical competence, software development and a passion for developing and marketing security solutions for online applications and commerce.

Over the year Digitorus architected and developed various solutions (mostly in Go/Golang) used by leading Certificate Authorities. Including a Ceremony Tool, a Registration Authority (RA), Certificate Authority (CA), Validation Authority (VA), and Time Stamp Authority (TSA).

@digitorus

Get a diverse group of sponsors to support the continued management and improvements of work. With enough sponsors and funds I will consider open sourcing more of my projects. Such as a platform for signing PDF files using digital signatures.

Featured work

  1. digitorus/timestamp

    Time-Stamp Protocol (TSP) implementation for Go as specified in RFC3161

    Go 72

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