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feat(mbedtls): support ecp fixed-point multiplication configurable

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This commit is contained in:
Jiang Guang Ming 2023-08-02 17:56:02 +08:00
parent 31d87a0c59
commit 3f2746688c
2 changed files with 23 additions and 0 deletions
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10
components/mbedtls/Kconfig
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@ -982,6 +982,16 @@ menu "mbedTLS"
Disabling this option saves some code size. Disabling this option saves some code size.
config MBEDTLS_ECP_FIXED_POINT_OPTIM
bool "Enable fixed-point multiplication optimisations"
depends on MBEDTLS_ECP_C
default y
help
This configuration option enables optimizations to speedup (about 3 ~ 4 times) the ECP
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)
in the application binary.
# end of Elliptic Curve options # end of Elliptic Curve options
config MBEDTLS_POLY1305_C config MBEDTLS_POLY1305_C

13
components/mbedtls/port/include/mbedtls/esp_config.h
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@ -488,6 +488,19 @@
#undef MBEDTLS_ECP_NIST_OPTIM #undef MBEDTLS_ECP_NIST_OPTIM
#endif #endif
/**
* \def MBEDTLS_ECP_FIXED_POINT_OPTIM
*
* Enable speed up fixed-point multiplication.
*
* Comment this macro to disable FIXED POINT curves optimisation.
*/
#ifdef CONFIG_MBEDTLS_ECP_FIXED_POINT_OPTIM
#define MBEDTLS_ECP_FIXED_POINT_OPTIM 1
#else
#define MBEDTLS_ECP_FIXED_POINT_OPTIM 0
#endif
/** /**
* \def MBEDTLS_ECDSA_DETERMINISTIC * \def MBEDTLS_ECDSA_DETERMINISTIC
* *