Matter commissioning fails at step 8 : AttestationVerification

Hi,

I'm in the process of developing a new Matter device, using the Matter template as starting point.

When trying to commission the device it fails at step 8 (AttestationVerification):

[1668776330.043644][85437:85442] CHIP:CTL: Failed in verifying 'Attestation Information' command received from the device: err 601. Look at AttestationVerificationResult enum to understand the errors
[1668776330.043662][85437:85442] CHIP:CTL: Error on commissioning step 'AttestationVerification': '../examples/chip-tool/third_party/connectedhomeip/src/controller/CHIPDeviceController.cpp:1031: CHIP Error 0x000000AC: Internal error'
[1668776330.043666][85437:85442] CHIP:CTL: Failed to perform commissioning step 8


I also tried with one of the samples (the light_bulb) shipped with the SDK and that also yields this error (it's also using the ExampleDACProvider).

Am I missing something here?

Kind regards,

-Alex

PS. Sort of related: is it possible that the samples use a version for their zap file (82) that isn't supported by the zap-tool shipped with the matter module? I had to pick up an older version of the zap file in order to be able to edit it.

 

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