Error: RSA signature incorrect

(Error code 0227e1)

Possible sources

This error originated from one of the following locations within the iPXE source code:

Try using the latest version of iPXE. Your problem may have already been fixed.
Try building iPXE with the debug option DEBUG=rsa
You can contact the iPXE developers and other iPXE users.
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(Please edit this page to include any of your own useful hints and tips for fixing this error.)

This error indicates that an RSA signature was found to be incorrect.

Things to try:

If you are verifying a digital signature using the imgverify command, check that you are using the correct signature file.