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Merge branch 'feat/mbedtls_size_optimization_v5.0' into 'release/v5.0'

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Fix the increase in build size of mbedtls while upgrading to v3.x (v5.0)

See merge request espressif/esp-idf!34255
This commit is contained in:
Mahavir Jain 2024-10-28 11:17:26 +08:00
commit 060aefc945
3 changed files with 27 additions and 3 deletions
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14
components/mbedtls/Kconfig
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@ -565,6 +565,14 @@ menu "mbedTLS"
help help
Enable MBEDTLS_SHA512_C adds support for SHA-384 and SHA-512. Enable MBEDTLS_SHA512_C adds support for SHA-384 and SHA-512.
config MBEDTLS_SHA3_C
bool "Enable the SHA3 cryptographic hash algorithm"
default n
help
Enabling MBEDTLS_SHA3_C adds support for SHA3.
Enabling this configuration option increases the flash footprint
by almost 4KB.
choice MBEDTLS_TLS_MODE choice MBEDTLS_TLS_MODE
bool "TLS Protocol Role" bool "TLS Protocol Role"
default MBEDTLS_TLS_SERVER_AND_CLIENT default MBEDTLS_TLS_SERVER_AND_CLIENT
@ -984,12 +992,12 @@ menu "mbedTLS"
config MBEDTLS_ECP_FIXED_POINT_OPTIM config MBEDTLS_ECP_FIXED_POINT_OPTIM
bool "Enable fixed-point multiplication optimisations" bool "Enable fixed-point multiplication optimisations"
depends on MBEDTLS_ECP_C depends on MBEDTLS_ECP_C
default y default n
help help
This configuration option enables optimizations to speedup (about 3 ~ 4 times) the ECP This configuration option enables optimizations to speedup (about 3 ~ 4 times) the ECP
fixed point multiplication using pre-computed tables in the flash memory. fixed point multiplication using pre-computed tables in the flash memory.
Disabling this configuration option saves flash footprint (about 29KB if all Elliptic Curve selected) Enabling this configuration option increases the flash footprint
in the application binary. (about 29KB if all Elliptic Curve selected) in the application binary.
# end of Elliptic Curve options # end of Elliptic Curve options

15
components/mbedtls/port/include/mbedtls/esp_config.h
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@ -2516,6 +2516,21 @@
#undef MBEDTLS_SHA512_C #undef MBEDTLS_SHA512_C
#endif #endif
/**
* \def MBEDTLS_SHA3_C
*
* Enable the SHA3 cryptographic hash algorithm.
*
* Module: library/sha3.c
*
* This module adds support for SHA3.
*/
#ifdef CONFIG_MBEDTLS_SHA3_C
#define MBEDTLS_SHA3_C
#else
#undef MBEDTLS_SHA3_C
#endif
/** /**
* \def MBEDTLS_SSL_CACHE_C * \def MBEDTLS_SSL_CACHE_C
* *

1
docs/en/api-guides/performance/size.rst
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@ -384,6 +384,7 @@ These include:
- :ref:`CONFIG_MBEDTLS_HAVE_TIME` - :ref:`CONFIG_MBEDTLS_HAVE_TIME`
- :ref:`CONFIG_MBEDTLS_ECDSA_DETERMINISTIC` - :ref:`CONFIG_MBEDTLS_ECDSA_DETERMINISTIC`
- :ref:`CONFIG_MBEDTLS_SHA512_C` - :ref:`CONFIG_MBEDTLS_SHA512_C`
- :ref:`CONFIG_MBEDTLS_SHA3_C`
- :ref:`CONFIG_MBEDTLS_CLIENT_SSL_SESSION_TICKETS` - :ref:`CONFIG_MBEDTLS_CLIENT_SSL_SESSION_TICKETS`
- :ref:`CONFIG_MBEDTLS_SERVER_SSL_SESSION_TICKETS` - :ref:`CONFIG_MBEDTLS_SERVER_SSL_SESSION_TICKETS`
- :ref:`CONFIG_MBEDTLS_SSL_CONTEXT_SERIALIZATION` - :ref:`CONFIG_MBEDTLS_SSL_CONTEXT_SERIALIZATION`