tree a25d8e0957c2e491b714a4c12741bca2c7bdf39a
parent 53104e6ec876ad4e22ad27cce588b01392043c1b
author Michael Munday <mike.munday@ibm.com> 1578519257 +0000
committer Michael Munday <mike.munday@ibm.com> 1578520511 +0000

sha3: fix SHA-3 on s390x when using KIMD instruction

An illegal instruction would occur due to a bug in the way input
slices were rounded down in size to a multiple of the rate for a
given hash type. This would only occur when the Write function
was called with more than ~3KiB of data and the length of the data
was not a multiple of the rate.

Fixes golang/go#36459.

Change-Id: I621ef8d75602bcd59bb44491e17f721050001e6d
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/213857
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>