What You See Is What You Timestamp – A cost-effective acceptance method to guarantee non-repudiation document acceptance for legal archiving purposes

What You See Is What You Timestamp – A cost-effective acceptance method to guarantee non-repudiation document acceptance for legal archiving purposes

In this article, we proposeWhat-You-See-Is-What-You-Timestamp (WYSIWYT) as an attractive alternative to Qualified Electronic Signatures, for certain signing needs where non-repudiable user acceptance and integrity protection are required for a given contract or transaction, i.e. when documents need to be formally accepted, but where no fulfilment form is prescribed by national law.

How to Integrate eIDAS Qualified Remote Signing Tools with Your Systems

How to Integrate eIDAS Qualified Remote Signing Tools with Your Systems

The demand for remote digital signatures to enhance security and customer experience continues to grow across the EU, as the banking and financial sector moves forward with digitalization, global expansion, and technological transformation.

In this article, we present 3 integration options for Cryptomathic’s eIDAS qualified remote signing solution, Signer.

Attacks on PDF Certification and the impact on Approval Signatures

Attacks on PDF Certification and the impact on Approval Signatures


In May 2021, researchers published two attacks on certified PDFs, which enabled unintentional and fraudulent modifications to be applied to signed documents. Here we provide a brief summary of the attacks and explain why documents that are digitally signed using Cryptomathic Signer and its WYSIWYS technology is not susceptible to these attacks.

Cryptomathic adds XML signing to its WYSIWYS Solution

Cryptomathic adds XML signing to its WYSIWYS Solution

With support for signing XML documents in its WYSIWYS solution, Cryptomathic now provides the means to offer the much-desired What You See Is What You Sign (WYSIWYS) feature for both PDF documents and XML files. With WYSIWYS, it is possible to demonstrate that the signatory’s intent was provided for, with a well-specified UI, thereby strengthening non-repudiation of online transfers or other signature operations. The new feature is now available as part of the latest Cryptomathic Signer product version, released in November 2018.

What You See Is What You Sign (WYSIWYS) – a Step-by-step Breakdown

What You See Is What You Sign (WYSIWYS) – a Step-by-step Breakdown

What You See Is What You Sign (WYSIWYS) refers to the part of any signature process, where you read a document you intend to sign, and ensure that you only sign it once you know it is the right document and agree with its terms. When you read something in your web browser, how can you be sure that the text you read is genuine, from the right source, and agree on the content it displays?