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Ascertia

Ascertia is a UK-based private company specializing in digital signature and PKI-based security infrastructure solutions. The Ascertia ADSS Signing Server supports various signature formats including PAdES, CAdES, and XAdES. Ascertia participated in ETSI Plug tests on digital signatures in 2010, 2012 and 2013.

The Ascertia Docs application is a document management system that supports digital signing of documents, approval workflow and status tracking. A cloud-hosted version of Ascertia Docs is branded as SigningHub. It provides native apps for iOS and Android for document signing from mobile devices.

Its Public Key Infrastructure (PKI) solutions include components required for managing the digital certificate life cycle. This includes Registration Authority (RA), Certificate Authority (CA), Validation Authority (VA) – including support for OCSP, SCVP, and XKMS protocols, Time Stamp Authority (TSA), and long-term evidence Archive Authority (AA) components.