Understanding SHA-2 Code-Signing Support in Elo Windows Driver 7.0.0 and Higher
Audience: Public / Elo Customers, IT Administrators & Integrators
Article Type: Security Architecture & Driver Compatibility Guide
SHA-2 (Secure Hash Algorithm 2) is an industry-standard cryptographic hashing algorithm widely used for digital signatures and code-signing security certificates.
Microsoft Mandate & Elo Driver Version 7.0.0
Starting in April 2019, Microsoft mandated that all kernel-mode and user-mode Windows drivers must be digitally signed exclusively with SHA-2 certificates, deprecating legacy SHA-1 code-signing to prevent tampering and vulnerabilities.
In accordance with this Microsoft security standard, Elo transitioned all Windows touch driver packages to SHA-2 code signing starting with Multi-Touch Driver Version 7.0.0 and above.
⚠️ Critical Prerequisite for Windows 7 Systems:
Because factory Windows 7 installations natively only supported SHA-1, systems running Windows 7 SP1 must have specific Microsoft Servicing Stack and Security updates installed before they can validate the SHA-2 digital signature and install Elo Driver 7.0.0+. Without these updates, Windows 7 will block the driver installation with a signature verification error (e.g., Code 52).
Configuration Walkthrough & External References
- Elo Implementation Guide: Follow the step-by-step patch instructions in How to Implement SHA-2 Support for Windows 7 Driver Installation.
- Microsoft Official Advisory: Read Microsoft's technical requirement bulletin at 2019 SHA-2 Code Signing Support Requirement for Windows and WSUS.
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