tree 8af66f1895afaf6e1ae3f2b21ece8f78ada57208
parent d5ba50e239fdb117172ba8162db607c5ad189577
author Gilles Peskine <Gilles.Peskine@arm.com> 1639168510 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> 1639231257 +0100

Catch failures of md_hmac operations

Declare mbedtls_md functions as MBEDTLS_CHECK_RETURN_TYPICAL, meaning that
their return values should be checked.

Do check the return values in our code. We were already doing that
everywhere for hash calculations, but not for HMAC calculations.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>