Knowledge Base

This guide provides the step-by-step process for creating a self-signed certificate with a validity period of at least 25 years for signing Android Package Kit (APK) files. This ensures compliance with Android’s signing requirements

Learn how to achieve DMARC compliance for Verified Mark Certificates (VMC). This guide explains DMARC, its importance for email security, and step-by-step instructions for configuring SPF, DKIM, and DMARC records.

Learn how to securely sign Microsoft Word documents using a digital signature and a document signing certificate. This step-by-step guide ensures authenticity, accountability, and integrity for official or sensitive files.

Microsoft IIS and other Windows-based TLS servers will provide a certificate chain

This article provides details about Intermediate Certificates, such as; who issues them, who sends them, how to install, and links to download them.

WHOIS Email DCV Deprecation

This article explains the steps involved in exporting a PFX (Personal Information Exchange) file format with 3DES (Triple Data Encryption Standard) encryption.

This article explains the steps involved in exporting a PFX (Personal Information Exchange) file format with AES (Advanced Encryption Standard) encryption.

Understanding Certificate Transparency (CT) Logs and Precertificates

The Java error saying 'The security certificate was issued by a company that is not trusted' is due to the root certificate not being found in the java root certificate store. Below is the type of error that is seen. To resolve this issue update to the latest version of Java. Also see this article which identifies when our roots were first included in Java