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feat(esp_security): Add a TEE-specific crypto lock layer with stub implementations

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This commit is contained in:
Laukik Hase
2025-04-10 11:42:11 +05:30
parent 16d79103aa
commit 1c4969bc47
4 changed files with 54 additions and 17 deletions
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52
components/esp_security/src/esp_crypto_lock.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -18,6 +18,7 @@ DS: needs HMAC (which needs SHA), AES and MPI
ECDSA: needs ECC and MPI
*/
#if !NON_OS_BUILD
#ifdef SOC_DIG_SIGN_SUPPORTED
/* Lock for DS peripheral */
static _lock_t s_crypto_ds_lock;
@@ -162,3 +163,52 @@ void esp_crypto_key_manager_lock_release(void)
_lock_release(&s_crypto_key_manager_lock);
}
#endif /* SOC_KEY_MANAGER_SUPPORTED */
#else /* NON_OS_BUILD */
#ifdef SOC_HMAC_SUPPORTED
void esp_crypto_hmac_lock_acquire(void) {}
void esp_crypto_hmac_lock_release(void) {}
#endif /* SOC_HMAC_SUPPORTED */
#ifdef SOC_DIG_SIGN_SUPPORTED
void esp_crypto_ds_lock_acquire(void) {}
void esp_crypto_ds_lock_release(void) {}
#endif /* SOC_DIG_SIGN_SUPPORTED */
#if defined(SOC_SHA_SUPPORTED) || defined(SOC_AES_SUPPORTED)
void esp_crypto_sha_aes_lock_acquire(void) {}
void esp_crypto_sha_aes_lock_release(void) {}
#endif /* defined(SOC_SHA_SUPPORTED) || defined(SOC_AES_SUPPORTED) */
#if defined(SOC_SHA_CRYPTO_DMA) || defined(SOC_AES_CRYPTO_DMA)
void esp_crypto_dma_lock_acquire(void) {}
void esp_crypto_dma_lock_release(void) {}
#endif /* defined(SOC_SHA_CRYPTO_DMA) || defined(SOC_AES_CRYPTO_DMA) */
#ifdef SOC_MPI_SUPPORTED
void esp_crypto_mpi_lock_acquire(void) {}
void esp_crypto_mpi_lock_release(void) {}
#endif /* SOC_MPI_SUPPORTED */
#ifdef SOC_ECC_SUPPORTED
void esp_crypto_ecc_lock_acquire(void) {}
void esp_crypto_ecc_lock_release(void) {}
#endif /* SOC_ECC_SUPPORTED */
#ifdef SOC_ECDSA_SUPPORTED
void esp_crypto_ecdsa_lock_acquire(void) {}
void esp_crypto_ecdsa_lock_release(void) {}
#endif /* SOC_ECDSA_SUPPORTED */
#ifdef SOC_KEY_MANAGER_SUPPORTED
void esp_crypto_key_manager_lock_acquire(void) {}
void esp_crypto_key_manager_lock_release(void) {}
#endif /* SOC_KEY_MANAGER_SUPPORTED */
#endif /* !NON_OS_BUILD */