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.
Fixesgolang/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>
5d647ca157