fabric-samples/test-network/organizations/cfssl/cert-signing-config.json

{
    "signing": {
        "default": {
            "expiry": "175200h"
        },
        "profiles": {
            "sign": {
                "usages": [
                    "signing",
                    "key encipherment",
                    "cert sign",
                    "digital signature"
                ],
                "expiry": "175200h"
            },
            "tls": {
                "usages": [
                    "signing",
                    "key encipherment",
                    "server auth",
                    "client auth"
                ],
                "expiry": "175200h"
            }
        }
    }
}