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feat(esp_ds): Support using the AES key used by DS peripheral for encrypting params

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harshal.patil
2026-03-20 11:15:23 +05:30
committed by Mahavir Jain
parent 4495f9028c
commit 0db717b9ec
10 changed files with 159 additions and 34 deletions
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components/esp_tee/subproject/main/core/esp_secure_services.c
+19
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@@ -355,6 +355,25 @@ esp_err_t _ss_esp_ds_encrypt_params(esp_ds_data_t *data,
return esp_ds_encrypt_params(data, iv, p_data, key);
}
esp_err_t _ss_esp_ds_encrypt_params_using_key_type(esp_ds_data_t *data,
const void *iv,
const esp_ds_p_data_t *p_data,
const void *key,
esp_ds_key_type_t key_type)
{
bool valid_addr = ((esp_tee_ptr_in_ree((void *)data) && esp_tee_ptr_in_ree((void *)p_data)) &&
(esp_tee_ptr_in_ree((void *)iv) && esp_tee_ptr_in_ree((void *)key)));
valid_addr &= esp_tee_ptr_in_ree((void *)((char *)data + sizeof(esp_ds_data_t)));
if (!valid_addr) {
return ESP_ERR_INVALID_ARG;
}
ESP_FAULT_ASSERT(valid_addr);
return esp_ds_encrypt_params_using_key_type(data, iv, p_data, key, key_type);
}
#endif
/* ---------------------------------------------- MPI ------------------------------------------------- */