cfssl/bundler/testdata/client-auth/int-config.json

{
	"signing": {
		"profiles": {
			"server": {
				"usages": ["server auth"],
				"expiry": "43830h"
			},
			"client": {
				"usages": ["client auth"],
				"expiry": "43830h"
			}
		},
		"default": {
			"usages": ["server auth"],
			"expiry": "43830h"
		}
	}
}