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mbedTLS SHA acceleration: Allow concurrent digest calculation, works with TLS

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SHA hardware allows each of SHA1, SHA256, SHA384&SHA512 to calculate digests
concurrently.

Currently incompatible with AES acceleration due to a hardware reset problem.

Ref TW7111.
This commit is contained in:
Angus Gratton
2016-11-20 16:29:29 +11:00
parent 4261fc5ef7
commit c48612e516
17 changed files with 1862 additions and 498 deletions
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13
components/mbedtls/port/include/mbedtls/esp_config.h
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@@ -243,11 +243,14 @@
#define MBEDTLS_AES_ALT
#endif
/* 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
/* MBEDTLS_SHAxx_ALT to enable hardware SHA support
with software fallback.
*/
#ifdef CONFIG_MBEDTLS_HARDWARE_SHA
#define MBEDTLS_SHA1_ALT
#define MBEDTLS_SHA256_ALT
#define MBEDTLS_SHA512_ALT
#endif
/* The following MPI (bignum) functions have ESP32 hardware support,
Uncommenting these macros will use the hardware-accelerated