Create directory for scripts

utils/scripts/gen-ec-cert.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+usage()
+{
+	printf "Usage: %s [-c curve] [-d days] domain\n" "${0##*/}" >&2
+	exit 1
+}
+
+tonumber()
+{
+	printf "%u\n" "$*"
+}
+
+curve=secp384r1
+days=3650
+while getopts c:d: flag; do
+	case $flag in
+	c)	[ -n "$OPTARG" ] || usage
+		curve=$OPTARG
+		;;
+	d)	days=$(tonumber "$OPTARG") || usage
+		;;
+	*)	usage
+		;;
+	esac
+done
+shift $((OPTIND - 1))
+[ $# -eq 1 ] && [ -n "$1" ] || usage
+domain=$1
+
+if [ -f "$domain.key" ]; then
+	printf "%s: key for %s already exists; reusing it.\n" \
+	    "${0##*/}" "$domain" >&2
+else
+	(umask 0377 &&
+	    openssl ecparam -genkey -name "$curve" -out "$domain.key")
+fi
+
+umask 0333 && openssl req -new -x509 -days "$days" -subj "/CN=$domain" \
+    -key "$domain.key" -out "$domain.pem"