vici: Support all defined key types

References #3586.

src/libcharon/plugins/vici/README.md

@@ -483,7 +483,7 @@ Load a certificate into the daemon.
 Load a private key into the daemon.
 
 	{
-		type = <private key type, rsa|ecdsa|bliss|any>
+		type = <private key type, rsa|ecdsa|ed25519|ed448|bliss|any>
 		data = <PEM or DER encoded key data>
 	} => {
 		success = <yes or no>

src/libcharon/plugins/vici/vici_cred.c

@@ -226,23 +226,7 @@ CALLBACK(load_key, vici_message_t*,
 	{
 		return create_reply("key type missing");
 	}
-	if (strcaseeq(str, "any"))
-	{
-		type = KEY_ANY;
-	}
-	else if (strcaseeq(str, "rsa"))
-	{
-		type = KEY_RSA;
-	}
-	else if (strcaseeq(str, "ecdsa"))
-	{
-		type = KEY_ECDSA;
-	}
-	else if (strcaseeq(str, "bliss"))
-	{
-		type = KEY_BLISS;
-	}
-	else
+	if (!enum_from_name(key_type_names, str, &type))
 	{
 		return create_reply("invalid key type: %s", str);
 	}