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mbedtls: Temporarily disable default hardware crypto SHA & bignum

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Due to limitations referenced in the comments of the changes.
This commit is contained in:
Angus Gratton 2016-09-14 17:52:39 +10:00
parent f01cabf71d
commit 67a26d52ac
1 changed files with 10 additions and 5 deletions
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15
components/mbedtls/port/include/mbedtls/esp_config.h
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@ -238,16 +238,21 @@
uncommenting each _ALT macro will use the
hardware-accelerated implementation. */
#define MBEDTLS_AES_ALT
#define MBEDTLS_SHA1_ALT
#define MBEDTLS_SHA256_ALT
#define MBEDTLS_SHA512_ALT
/* Currently hardware SHA does not work with TLS handshake,
due to concurrency issue. Internal TW#7111. */
//#define MBEDTLS_SHA1_ALT
//#define MBEDTLS_SHA256_ALT
//#define MBEDTLS_SHA512_ALT
/* The following MPI (bignum) functions have ESP32 hardware support,
Uncommenting these macros will use the hardware-accelerated
implementations.
Disabled as number of limbs limited by bug. Internal TW#7112.
*/
#define MBEDTLS_MPI_EXP_MOD_ALT
#define MBEDTLS_MPI_MUL_MPI_ALT
//#define MBEDTLS_MPI_EXP_MOD_ALT
//#define MBEDTLS_MPI_MUL_MPI_ALT
/**
* \def MBEDTLS_MD2_PROCESS_ALT