To regenerate the key/certificate pair for the signed-exchanges in this directory, run generate-test-certs.sh.

The signed exchange files in this directory are generated using generate-test-sxgs.sh. it requires command-line tools in the webpackage repository. To install them, run:

go get -u github.com/WICG/webpackage/go/signedexchange/cmd/...
export PATH=$PATH:$(go env GOPATH)/bin

The revision of the tools used to generate the test files is cf19833.