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DMA operation completion must wait until the last DMA descriptor ownership has been changed to hardware, that is hardware is completed the write operation for entire data. Earlier for the hardware GCM case, the first DMA descriptor was checked and it could have resulted in some race condition for non interrupt (MBEDTLS_AES_USE_INTERRUPT disabled) case. |
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.. | ||
include | ||
esp_aes_crypto_dma_impl.c | ||
esp_aes_gdma_impl.c | ||
esp_aes.c |