cfssl/config/testdata/invalid_config.json

{
	"signing": {
		"profiles": {
			"CA": {
				"usages": ["cert sign"],
				"expiry": "720h"
			},
			"email": {
				"usages": ["s/mime"],
				"expiry": "720h"
			}
		},
		"default": {
			"usages": ["digital signature", "email protection"],
		}
	}
}