About skana.1

skana.1 · 2023-01-16

I have STSafe a110 crypto chip in my hardware. I have created the private and public key pairs and signed the firmware image. During the firmware upgrade, on host side, the signature needs to be verified using the stsafe a110 chip. I have used ECDSA_...

skana.1 · 2023-01-23

Hi Benjamin,Thanks for your response. The signature verification failure was because of the wrong openssl command that was used to sign the input/firmware file. The command is corrected. Signature verification using STSAFEA110 is successful now.Thank...

skana.1 · 2023-01-20

Hi Benjamin,Thank you for the response.Please find the further details regarding the issue.I have used openssl to sign the firmware using the following command.openssl dgst -sha256 -sign privatekey.pem -out firmware.sig firmware.hash. firmware.hash f...

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requirement of secure firmware upgrade and secure boot using stsafe a110 crypto chip. Is there any limitation for signature verification about the message length and the type of the private key that need to be used for the signature creation.

Re: requirement of secure firmware upgrade and secure boot using stsafe a110 crypto chip. Is there any limitation for signature verification about the message length and the type of the private key that need to be used for the signature creation.

Re: requirement of secure firmware upgrade and secure boot using stsafe a110 crypto chip. Is there any limitation for signature verification about the message length and the type of the private key that need to be used for the signature creation.