alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-09-30 19:19:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

mbedtls: GCM implementation is replaced with CTR-based calculation

Browse Source 
- GCM operation in mbedtls used ECB, which calculated only 16 bytes of data each time.
	- Therefore, when processing a large amount of data, it is necessary to frequently set hardware acceleration calculations,
	- which could not make good use of the AES DMA function to improve efficiency.
	- Hence, GCM implementation is replaced with CTR-based calculation which utilizes AES DMA to improve efficiency.
This commit is contained in:
LiPeng
2022-06-28 11:19:58 +08:00
committed by harshal.patil
parent f9f10c2590
commit 5c93fe47cb
5 changed files with 16 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
components/mbedtls/CMakeLists.txt
View File

@@ -219,7 +219,7 @@ if(CONFIG_MBEDTLS_HARDWARE_SHA)
)
endif()
if(CONFIG_MBEDTLS_HARDWARE_GCM)
if(CONFIG_MBEDTLS_HARDWARE_GCM OR (NOT CONFIG_SOC_AES_SUPPORT_GCM AND CONFIG_MBEDTLS_HARDWARE_AES))
target_sources(mbedcrypto PRIVATE "${COMPONENT_DIR}/port/aes/esp_aes_gcm.c")
endif()