Bump cfssl to 56268a6

vendor/github.com/cloudflare/cfssl/cli/config.go

@@ -30,6 +30,7 @@ type Config struct {
 	IntBundleFile     string
 	Address           string
 	Port              int
+	MinTLSVersion     string
 	Password          string
 	ConfigFile        string
 	CFG               *config.Config
@@ -68,6 +69,7 @@ type Config struct {
 	AKI               string
 	DBConfigFile      string
 	CRLExpiration     time.Duration
+	Disable     	  string
 }
 
 // registerFlags defines all cfssl command flags and associates their values with variables.
@@ -90,6 +92,7 @@ func registerFlags(c *Config, f *flag.FlagSet) {
 	f.StringVar(&c.IntBundleFile, "int-bundle", "", "path to intermediate certificate store")
 	f.StringVar(&c.Address, "address", "127.0.0.1", "Address to bind")
 	f.IntVar(&c.Port, "port", 8888, "Port to bind")
+	f.StringVar(&c.MinTLSVersion, "min-tls-version", "", "Minimum version of TLS to use, defaults to 1.0")
 	f.StringVar(&c.ConfigFile, "config", "", "path to configuration file")
 	f.StringVar(&c.Profile, "profile", "", "signing profile to use")
 	f.BoolVar(&c.IsCA, "initca", false, "initialise new CA")
@@ -128,6 +131,7 @@ func registerFlags(c *Config, f *flag.FlagSet) {
 	f.StringVar(&c.DBConfigFile, "db-config", "", "certificate db configuration file")
 	f.DurationVar(&c.CRLExpiration, "expiry", 7*helpers.OneDay, "time from now after which the CRL will expire (default: one week)")
 	f.IntVar(&log.Level, "loglevel", log.LevelInfo, "Log level (0 = DEBUG, 5 = FATAL)")
+	f.StringVar(&c.Disable, "disable", "", "endpoints to disable")
 }
 
 // RootFromConfig returns a universal signer Root structure that can