Steven Shockley points out that the .PPK extension is far from obvious to

[u/mdw/putty] / puttygen.c

diff --git a/puttygen.c b/puttygen.c
index add9431..7bfd1e6 100644 (file)
--- a/puttygen.c
+++ b/puttygen.c
@@ -202,7 +202,8 @@ static int prompt_keyfile(HWND hwnd, char *dlgtitle,
 #endif
     of.hwndOwner = hwnd;
     if (ppk) {
-       of.lpstrFilter = "PuTTY Private Key Files\0*.PPK\0All Files\0*\0\0\0";
+       of.lpstrFilter = "PuTTY Private Key Files (*.ppk)\0*.PPK\0"
+           "All Files\0*\0\0\0";
        of.lpstrDefExt = ".ppk";
     } else {
        of.lpstrFilter = "All Files\0*\0\0\0";