Toggle the parent tree of Verify Demo signature. Learn Applications Solutions at Microchip Toggle the hierarchy tree under Learn Applications Solutions at Microchip. … Demo Archive for Linux 4 Sam from Microchip Toggle the hierarchy tree under Demo Archive for Linux 4 Sam from Microchip. archive2026_04 Toggle the hierarchy tree under archive2026_04. Verify Demo signature Toggle the hierarchy tree under Verify Demo signature.
Download necessary files Demo and corresponding signature file Download the intended demo and its corresponding signature file from the demo archive table Public Key Download the public key necessary to verify the image. Verify the demo To verify a demo with its signature use the following command
openssl dgst -verify <public-key> -sha3-512 -signature <signature-file> -binary <demo-file>
Examples below:
$ openssl dgst -verify mpu-l4m-meta-mchp.pubkey.pem -sha3-512 -signature linux4microchip-oecore-sama5d29_curiosity-headless-2026.04.img.bz2.sign.der -binary linux4microchip-oecore-sama5d29_curiosity-headless-2026.04.img.bz2
$ openssl dgst -verify mpu-l4m-buildroot.pubkey.pem -sha3-512 -signature linux4microchip-buildroot-sama5d29_curiosity-headless-2026.04.img.bz2.sign.der -binary linux4microchip-buildroot-sama5d29_curiosity-headless-2026.04.img.bz2
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