multiple problems, and multiple options are available. A secure
deployment solution can solve the problems of IP theft, cloning,
and overproduction by enabling you to deliver your firmware
image in an encrypted format, which can be decrypted only
within a specific device programmer, and to receive an audit
report of exactly how many devices were programmed. There
are also secure programming solutions where device-unique
keys can be injected into the MCU. There are even advanced
solutions where the MCU itself can generate an asymmetric
key pair, export the public key, and receive and store a signed
certificate, including that public key, generating both an audit
report and a group of approved certificates that can be used
for authenticating the final product. This aspect, in particular,
requires strong support of the MCU by ecosystem partners.
Security is not a one-size-fits-all proposition. It's vital to
determine your specific requirements for your product at the
beginning of the development phase, and select an MCU with
the necessary hardware capabilities, software support, and
solution demonstration, supported by a committed silicon
vendor with a strong partner network. Security might seem
daunting, but choosing the right MCU with solid ecosystem
support will enable you to create a secure product for today's
connected world.
Renesas offers multiple MCUs that address the concerns
discussed in this white paper. Please visit renesas.com
to learn more.
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• Arm Cortex-M4 Core with
Floating Point Unit
• 512KB code flash memory
• Up to 35 input/output pins
RA4W1 Bluetooth MCU
