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Merge branch 'bugfix/mbedtls_sha384' into 'master'

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Bugfix mbedtls sha384 clone()

mbedtls_sha512_clone() on a SHA-384 hash caused incorrect digest

Also adds additional mbedtls unit tests into the unit tests project (including one for this bug).

See merge request !252
This commit is contained in:
Angus Gratton
2016-11-29 03:16:30 +08:00
parent b9c678f713 88b264cfce
commit 01e94998c4
7 changed files with 501 additions and 124 deletions
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7
components/esp32/include/hwcrypto/sha.h
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@@ -113,11 +113,14 @@ void esp_sha_block(esp_sha_type sha_type, const void *data_block, bool is_first_
* value that is read is the SHA digest (in big endian
* format). Otherwise, the value that is read is an interim SHA state.
*
* @note If sha_type is SHA2_384, only 48 bytes of state will be read.
* This is enough for the final SHA2_384 digest, but if you want the
* interim SHA-384 state (to continue digesting) then pass SHA2_512 instead.
*
* @param sha_type SHA algorithm in use.
*
* @param state Pointer to a memory buffer to hold the SHA state. Size
* is 20 bytes (SHA1), 64 bytes (SHA2_256), or 128 bytes (SHA2_384 or
* SHA2_512).
* is 20 bytes (SHA1), 32 bytes (SHA2_256), 48 bytes (SHA2_384) or 64 bytes (SHA2_512).
*
*/
void esp_sha_read_digest_state(esp_sha_type sha_type, void *digest_state);