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4c1d0af4a2
Make the Aspeed HACE module use the new qcrypto accumulative hashing functions when in scatter-gather accumulative mode. A hash context will maintain a "running-hash" as each scatter-gather chunk is received. Previously each scatter-gather "chunk" was cached so the hash could be computed once the final chunk was received. However, the cache was a shallow copy, so once the guest overwrote the memory provided to HACE the final hash would not be correct. Possibly related to: https://gitlab.com/qemu-project/qemu/-/issues/1121 Buglink: https://github.com/openbmc/qemu/issues/36 Signed-off-by: Alejandro Zeise <alejandro.zeise@seagate.com> [ clg: - Checkpatch fixes - Reworked qcrypto_hash*() error reports in do_hash_operation() ] Signed-off-by: Cédric Le Goater <clg@redhat.com> Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au> Reviewed-by: Jamin Lin <jamin_lin@aspeedtech.com> Reviewed-by: Joel Stanley <joel@jms.id.au>