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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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5
components/mbedtls/port/aes/dma/esp_aes.c
View File

@@ -35,13 +35,8 @@
#include "esp_crypto_periph_clk.h"
#if SOC_AES_GDMA
#if !ESP_TEE_BUILD
#define AES_LOCK() esp_crypto_sha_aes_lock_acquire()
#define AES_RELEASE() esp_crypto_sha_aes_lock_release()
#else
#define AES_LOCK()
#define AES_RELEASE()
#endif
#elif SOC_AES_CRYPTO_DMA
#define AES_LOCK() esp_crypto_dma_lock_acquire()
#define AES_RELEASE() esp_crypto_dma_lock_release()

12
components/mbedtls/port/sha/core/sha.c
View File

@@ -52,14 +52,6 @@
#endif
#endif /* SOC_SHA_SUPPORT_DMA */
#if !ESP_TEE_BUILD
#define SHA_LOCK() esp_crypto_sha_aes_lock_acquire()
#define SHA_RELEASE() esp_crypto_sha_aes_lock_release()
#else
#define SHA_LOCK()
#define SHA_RELEASE()
#endif
void esp_sha_write_digest_state(esp_sha_type sha_type, void *digest_state)
{
sha_hal_write_digest(sha_type, digest_state);
@@ -99,7 +91,7 @@ inline static size_t block_length(esp_sha_type type)
void esp_sha_acquire_hardware(void)
{
/* Released when releasing hw with esp_sha_release_hardware() */
SHA_LOCK();
esp_crypto_sha_aes_lock_acquire();
esp_crypto_sha_enable_periph_clk(true);
}
@@ -107,7 +99,7 @@ void esp_sha_acquire_hardware(void)
void esp_sha_release_hardware(void)
{
esp_crypto_sha_enable_periph_clk(false);
SHA_RELEASE();
esp_crypto_sha_aes_lock_release();
}
void esp_sha_block(esp_sha_type sha_type, const void *data_block, bool is_first_block)