Fixes golang/go#37340 Change-Id: I19c4f150b8607ad4a1613cf97ad3362f4b779d7c GitHub-Last-Rev: 4215964b4a680b135301695ccd56cff88a8ffb26 GitHub-Pull-Request: golang/crypto#121 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/220343 Reviewed-by: Filippo Valsorda <filippo@golang.org>