This usage flag was deprecated by RFC8813, such that it is
forbidden to be present for certs using ECDSA/ECDH algorithms,
and in TLS 1.3 is conceptually obsolete.
As such many valid certs will no longer have this key usage
flag set, and QEMU should not be rejecting them, as this
prevents use of otherwise valid & desirable algorithms.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
(cherry picked from commit 3995fc238e)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
b7fcf2670f