Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-02 03:00:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

feat: enable pesudo round functionality for AES in ESP32P4 ECO5

Browse Source
This commit is contained in:
nilesh.kale
2026-01-16 11:29:42 +05:30
committed by harshal.patil
parent 59d67a7fb2
commit a6a6d9361a
4 changed files with 181 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/hal/esp32p4/include/hal/aes_ll.h
+38
View File
@@ -11,6 +11,7 @@
#include "hal/aes_types.h"
#include "soc/hp_sys_clkrst_struct.h"
#include "soc/hwcrypto_reg.h"
#include "hal/config.h"
#ifdef __cplusplus
extern "C" {
@@ -250,6 +251,31 @@ static inline void aes_ll_interrupt_clear(void)
REG_WRITE(AES_INT_CLEAR_REG, 1);
}
/**
* @brief Enable the pseudo-round function during AES operations
*
* @param enable true to enable, false to disable
* @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 aes_ll_enable_pseudo_rounds(bool enable, uint8_t base, uint8_t increment, uint8_t key_rng_cnt)
{
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_EN, enable);
if (enable) {
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_BASE, base);
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_INC, increment);
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_RNG_CNT, key_rng_cnt);
} else {
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_BASE, 0);
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_INC, 0);
REG_SET_FIELD(AES_PSEUDO_REG, AES_PSEUDO_RNG_CNT, 0);
}
#endif
}
/**
* @brief Continue a previous started transform
*
@@ -337,6 +363,18 @@ static inline void aes_ll_gcm_read_tag(uint8_t *tag)
}
}
/**
* @brief Check if the pseudo round function is supported
*/
static inline bool aes_ll_is_pseudo_rounds_function_supported(void)
{
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
return true;
#else
return false;
#endif
}
#ifdef __cplusplus
}
#endif