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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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9
components/esp32/include/rom/sha.h
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@@ -1,9 +1,10 @@
/*
ROM functions for hardware SHA support.
It is not recommended to use these functions directly,
use the wrapper functions in hwcrypto/sha.h instead.
It is not recommended to use these functions directly. If using
them from esp-idf then use the esp_sha_lock_engine() and
esp_sha_lock_memory_block() functions in hwcrypto/sha.h to ensure
exclusive access.
*/
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
@@ -38,6 +39,8 @@ enum SHA_TYPE {
SHA2_256,
SHA2_384,
SHA2_512,
SHA_INVALID = -1,
};