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ARM 11 256 bits OTP

Yusnani Yussoff
Note: This was originally posted on 28th January 2010 at http://forums.arm.com

I would like to know,

If we bought ARM 11 let say from samsung, the OTP features will be done by us or samsung?
If I want to have a master key, let say for encryption process, do I have the capability to configure it in the IC?
One more question - Can I put my secure boot code in the on-SoC ROM?
Parents
  • Note: This was originally posted on 29th January 2010 at http://forums.arm.com

    I would like to know,

    If we bought ARM 11 let say from samsung, the OTP features will be done by us or samsung?
    If I want to have a master key, let say for encryption process, do I have the capability to configure it in the IC?
    One more question - Can I put my secure boot code in the on-SoC ROM?

    Thank you for your info. So i really need to check with the supplier. I'm thinking to use trustzone to enhance security in sensor network devices. Instead of using extra security chip like TPM, i would like to use the secure memory for encryption keys. And I also would like to have a secure boot running in the secure mode duirng the boot up process. This secure boot is important in order to provide the integrity for the whole system.
Reply
  • Note: This was originally posted on 29th January 2010 at http://forums.arm.com

    I would like to know,

    If we bought ARM 11 let say from samsung, the OTP features will be done by us or samsung?
    If I want to have a master key, let say for encryption process, do I have the capability to configure it in the IC?
    One more question - Can I put my secure boot code in the on-SoC ROM?

    Thank you for your info. So i really need to check with the supplier. I'm thinking to use trustzone to enhance security in sensor network devices. Instead of using extra security chip like TPM, i would like to use the secure memory for encryption keys. And I also would like to have a secure boot running in the secure mode duirng the boot up process. This secure boot is important in order to provide the integrity for the whole system.
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