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Merge branch 'feat/enable_pseudo_round_support_for_xts_aes_esp32p4_eco5_v5.5' into 'release/v5.5'

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feat: added support for pseudo round xts aes in esp32p4 eco5 (v5.5)

See merge request espressif/esp-idf!45172
This commit is contained in:
Mahavir Jain
2026-01-18 18:17:41 +05:30
parent 9d80cb0d95 d8885101cd
commit 79048b8aac
4 changed files with 50 additions and 4 deletions
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components/hal/esp32p4/include/hal/spi_flash_encrypted_ll.h
+39
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@@ -20,6 +20,8 @@
#include "soc/soc.h"
#include "soc/soc_caps.h"
#include "hal/assert.h"
#include "hal/config.h"
#include "hal/spi_flash_encrypt_types.h"
#ifdef __cplusplus
extern "C" {
@@ -147,6 +149,43 @@ static inline bool spi_flash_encrypt_ll_check(uint32_t address, uint32_t length)
return ((address % length) == 0) ? true : false;
}
/**
* @brief Enable the pseudo-round function during XTS-AES operations
*
* @param mode set the mode for pseudo rounds, zero to disable, with increasing security upto three.
* @param base basic number of pseudo rounds, zero if disable
* @param increment increment number of pseudo rounds, zero if disable
* @param key_rng_cnt update frequency of the pseudo-key, zero if disable
*/
static inline void spi_flash_encrypt_ll_enable_pseudo_rounds(esp_xts_aes_psuedo_rounds_state_t mode, uint8_t base, uint8_t increment, uint8_t key_rng_cnt)
{
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_MODE_PSEUDO, mode);
if (mode != ESP_XTS_AES_PSEUDO_ROUNDS_DISABLE) {
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_PSEUDO_BASE, base);
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_PSEUDO_INC, increment);
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_PSEUDO_RNG_CNT, key_rng_cnt);
} else {
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_PSEUDO_BASE, 0);
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_PSEUDO_INC, 0);
REG_SET_FIELD(SPI_MEM_C_XTS_PSEUDO_ROUND_CONF_REG, SPI_MEM_C_PSEUDO_RNG_CNT, 0);
}
#endif
}
/**
* @brief Check if the pseudo round function is supported
*/
static inline bool spi_flash_encrypt_ll_is_pseudo_rounds_function_supported(void)
{
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
return true;
#else
return false;
#endif
}
#ifdef __cplusplus
}
#endif