AuthHashCalc v1.0

Authenticode Hash Calculator for PE32/PE32+ files

System Requirements

• x86/x64 Windows 7/8/8.1/10/11
• Administrative privileges are not required

Features

• Portable Executable (PE32/PE32+) authenticode hash calculation (MD5/SHA1/SHA256/SHA384/SHA512);
• WDAC compliant page hash calculation (image header only hash), SHA1/SHA256;
• GUI and CLI version combined in single executable;
• Drag and drop support for GUI version.

Usage

• Open desired file using button [...], select hash types you want to calculate and press "Calculate" button. Or drop your file using drag and drop operation.
• CLI usage -> run program from console supplying parameter as input filename which authenticode hashes you want to calculate, e.g. ahc64.exe c:\dir\mydriver.sys.
  If you want save result to the file then use third parameter as output filename, e.g. ahc64.exe c:\dir\mydriver.sys c:\dir\result.txt.

Build

AuthHashCalc comes with full source code written in C.
In order to build from source you need Microsoft Visual Studio 2015 and later versions.

Links

• https://docs.microsoft.com/en-us/windows-hardware/drivers/install/authenticode
• https://docs.microsoft.com/en-us/windows/win32/seccrypto/signtool

Authors

(c) 2021 AuthHashCalc Project

Version History

v1.0.3 (31 Oct 2021)
Initial release