AM2432: Cryptor engine: TISCI and SA2_UL FW

AnBer

Part Number: AM2432

Team,

The Security Accelerator (SAx_UL) subsystem provides hardware cryptographic acceleration like PKA (public Key acceleration), encryption (AES), Hashing (SHA) and it is documented in TISCI at:
https://software-dl.ti.com/tisci/esd/latest/6_topic_user_guides/saul_access.html
Is there a single FW for all the sub-modules included in SA2_UL? Or multiple FW?
Where in the TI SDK can the PKA FW be found?

Thanks in advance,

Anber

2 days ago

0 Prashant Shivhare 2 days ago

TI__Guru* 90131 points

Please refer to the following documentations for the SA2UL driver and the examples:

https://software-dl.ti.com/mcu-plus-sdk/esd/AM243X/12_01_00_33/exports/docs/api_guide_am243x/SECURITY_PAGE.html

software-dl.ti.com/.../EXAMPLES_SECURITY.html

0 AnBer 2 days ago in reply to Prashant Shivhare

TI__Mastermind 31455 points

Hi Prashant,
Thanks for pointing to the documentation.
The question is slightly different:
-Are there multiple Firmware for the SA2UL module itself?
-WHat I mean is are the SA2UL crypto acceleration splitled in multiple firmware that are called based on the need? Or is it one single Firmware?
-and what about PKA in SA2UL? Is it single or multiple FW?

Thanks in advance,

Anber

+1 Prashant Shivhare 2 days ago in reply to AnBer

TI__Guru* 90131 points

AnBer said:
-Are there multiple Firmware for the SA2UL module itself?
-WHat I mean is are the SA2UL crypto acceleration splitled in multiple firmware that are called based on the need? Or is it one single Firmware?
-and what about PKA in SA2UL? Is it single or multiple FW?

There is no firmware for the SA2UL AES/SHA engines. The PKA firmware is loaded by the SA2UL driver in the SDK and is integrated as an array of bytes in the SA2UL driver itself.

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AM2432: Cryptor engine: TISCI and SA2_UL FW