drivers: crypto: stm32: h7: add AES CCM and GCM support #93189
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Device semaphore handling is being moved out of the do_aes function. This is necessary to support upcoming GCM and CCM modes, which require the semaphore to be held during tag generation. Signed-off-by: Georgij Černyšiov <[email protected]>
Returns -EINVAL for unknown cipher mode. Signed-off-by: Georgij Černyšiov <[email protected]>
Adds AES GCM support for: * H723XX * H725XX * H730XX, H730XXQ * H735XX Signed-off-by: Georgij Černyšiov <[email protected]>
Adds AES CCM support for: * H723XX * H725XX * H730XX, H730XXQ * H735XX Signed-off-by: Georgij Černyšiov <[email protected]>
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Adds support for AES-CCM and AES-GCM cipher modes.
The support is limited to the following STM32 H7 SoCs:
STM32H723XX,STM32H725XX,STM32H730XX,STM32H730XXQ, andSTM32H735XX, as they share the same reference manual.Note: testing was performed on the
STM32H730XX.Crypto sample output:
The pull request is open for review but not yet ready to be merged (therefore, labeled
DNM) due to an issue in the STM32 H7 HAL related to GCM tag generation during decryption: STMicroelectronics/stm32h7xx-hal-driver#88.