..

The steps to regenerate this CA:

1. Get etcd-ca source code and generate binary.

$ go get github.com/coreos/etcd-ca

2. Run generate_testing_certs.sh with etcd-ca binary location.

$ ./generate_testing_certs.sh

Details about generation are in the generate_testing_certs.sh script.

3. Check current directory to see regenerated files.