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TMS570LC4357: part IS and crypto engine

Marc ROSSI
Prodigy 20 points

Part Number: TMS570LC4357

Hi,

I would like to know if this µC includes a harware crypto engine accelerator?  if yes, with which algorithm (SHA, AES, etc...) available?

Generally, does this µC can be compliant with the new aeronautical security regulation PART-IS (especially ED-202A) requirements?

Marc

 

  • 0
    TI__Mastermind 18780 points

    Hello,

    This thread has been assigned to the intended expert, please expect a reply within the next day.

    Best,
    Matt

  • 0 in reply to Matt Kukucka
    TI__Guru* 76996 points

    Hi Marc,

    The TMS570LC4357 microcontroller does not include a dedicated hardware cryptographic engine accelerator.

    This controller is not complaint with ED-202A standard. 

    And also, i found below useful information related to these series of controllers:

    TMS570LC4357-EP (Enhanced Product)

    • Designed for extended temperature ranges and harsh environments
    • Maintains the same core features as the standard version
    • No additional cryptographic hardware acceleration
    • Enhanced reliability and qualification testing

    TMS570LC4357-SEP (Space Enhanced Plastic)

    • Specifically designed for space applications
    • Higher radiation tolerance
    • Enhanced reliability specifications
    • No additional cryptographic hardware acceleration

    Security Considerations for Aerospace Applications

    For PART-IS (ED-202A) compliance in aerospace applications using these enhanced variants:

    1. Software-based cryptography would still be required for any security functions
    2. The enhanced reliability of these variants may help meet certain safety requirements
    3. External security modules would be needed for hardware-accelerated cryptography

    If hardware-accelerated cryptography is essential for your PART-IS compliance strategy, you might need to:

    • Consider TI's more recent microcontroller families that may include crypto acceleration
    • Implement a companion security processor
    • Evaluate if the performance impact of software-based cryptography is acceptable for your application

    For space or critical aerospace applications with specific security requirements, I recommend consulting directly with Texas Instruments regarding certification pathways and security implementation strategies for these enhanced variants.

    --
    Thanks & regards,
    Jagadish.