add script "ssl_get_fingerprint.sh"

ssl_get_fingerprint.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/bash
+
+# Usage : ./ssl_get_fingerprint.sh URL
+
+openssl s_client -connect $1:443 -showcerts </dev/null 2>/dev/null \
+  | openssl x509 -sha256 -fingerprint -noout 2>/dev/null \
+  | cut -d= -f2