2 * PuTTY key generation front end (Windows).
9 #define PUTTY_DO_GLOBALS
20 #define WM_DONEKEY (WM_APP + 1)
22 #define DEFAULT_KEYSIZE 1024
24 static char *cmdline_keyfile = NULL;
27 * Print a modal (Really Bad) message box and perform a fatal exit.
29 void modalfatalbox(char *fmt, ...)
35 stuff = dupvprintf(fmt, ap);
37 MessageBox(NULL, stuff, "PuTTYgen Fatal Error",
38 MB_SYSTEMMODAL | MB_ICONERROR | MB_OK);
43 /* ----------------------------------------------------------------------
44 * Progress report code. This is really horrible :-)
46 #define PROGRESSRANGE 65535
52 unsigned startpoint, total;
53 unsigned param, current, n; /* if exponential */
54 unsigned mult; /* if linear */
56 unsigned total, divisor, range;
60 static void progress_update(void *param, int action, int phase, int iprogress)
62 struct progress *p = (struct progress *) param;
63 unsigned progress = iprogress;
66 if (action < PROGFN_READY && p->nphases < phase)
69 case PROGFN_INITIALISE:
72 case PROGFN_LIN_PHASE:
73 p->phases[phase-1].exponential = 0;
74 p->phases[phase-1].mult = p->phases[phase].total / progress;
76 case PROGFN_EXP_PHASE:
77 p->phases[phase-1].exponential = 1;
78 p->phases[phase-1].param = 0x10000 + progress;
79 p->phases[phase-1].current = p->phases[phase-1].total;
80 p->phases[phase-1].n = 0;
82 case PROGFN_PHASE_EXTENT:
83 p->phases[phase-1].total = progress;
89 for (i = 0; i < p->nphases; i++) {
90 p->phases[i].startpoint = total;
91 total += p->phases[i].total;
94 p->divisor = ((p->total + PROGRESSRANGE - 1) / PROGRESSRANGE);
95 p->range = p->total / p->divisor;
96 SendMessage(p->progbar, PBM_SETRANGE, 0, MAKELPARAM(0, p->range));
100 if (p->phases[phase-1].exponential) {
101 while (p->phases[phase-1].n < progress) {
102 p->phases[phase-1].n++;
103 p->phases[phase-1].current *= p->phases[phase-1].param;
104 p->phases[phase-1].current /= 0x10000;
106 position = (p->phases[phase-1].startpoint +
107 p->phases[phase-1].total - p->phases[phase-1].current);
109 position = (p->phases[phase-1].startpoint +
110 progress * p->phases[phase-1].mult);
112 SendMessage(p->progbar, PBM_SETPOS, position / p->divisor, 0);
119 #define PASSPHRASE_MAXLEN 512
121 struct PassphraseProcStruct {
127 * Dialog-box function for the passphrase box.
129 static int CALLBACK PassphraseProc(HWND hwnd, UINT msg,
130 WPARAM wParam, LPARAM lParam)
132 static char *passphrase = NULL;
133 struct PassphraseProcStruct *p;
137 SetForegroundWindow(hwnd);
138 SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0,
139 SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
144 { /* centre the window */
148 hw = GetDesktopWindow();
149 if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd))
151 (rs.right + rs.left + rd.left - rd.right) / 2,
152 (rs.bottom + rs.top + rd.top - rd.bottom) / 2,
153 rd.right - rd.left, rd.bottom - rd.top, TRUE);
156 p = (struct PassphraseProcStruct *) lParam;
157 passphrase = p->passphrase;
159 SetDlgItemText(hwnd, 101, p->comment);
161 SetDlgItemText(hwnd, 102, passphrase);
164 switch (LOWORD(wParam)) {
174 case 102: /* edit box */
175 if ((HIWORD(wParam) == EN_CHANGE) && passphrase) {
176 GetDlgItemText(hwnd, 102, passphrase,
177 PASSPHRASE_MAXLEN - 1);
178 passphrase[PASSPHRASE_MAXLEN - 1] = '\0';
191 * Prompt for a key file. Assumes the filename buffer is of size
194 static int prompt_keyfile(HWND hwnd, char *dlgtitle,
195 char *filename, int save, int ppk)
198 memset(&of, 0, sizeof(of));
201 of.lpstrFilter = "PuTTY Private Key Files (*.ppk)\0*.ppk\0"
202 "All Files (*.*)\0*\0\0\0";
203 of.lpstrDefExt = ".ppk";
205 of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
207 of.lpstrCustomFilter = NULL;
209 of.lpstrFile = filename;
211 of.nMaxFile = FILENAME_MAX;
212 of.lpstrFileTitle = NULL;
213 of.lpstrTitle = dlgtitle;
215 return request_file(NULL, &of, FALSE, save);
219 * Dialog-box function for the Licence box.
221 static int CALLBACK LicenceProc(HWND hwnd, UINT msg,
222 WPARAM wParam, LPARAM lParam)
229 { /* centre the window */
233 hw = GetDesktopWindow();
234 if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd))
236 (rs.right + rs.left + rd.left - rd.right) / 2,
237 (rs.bottom + rs.top + rd.top - rd.bottom) / 2,
238 rd.right - rd.left, rd.bottom - rd.top, TRUE);
243 switch (LOWORD(wParam)) {
258 * Dialog-box function for the About box.
260 static int CALLBACK AboutProc(HWND hwnd, UINT msg,
261 WPARAM wParam, LPARAM lParam)
268 { /* centre the window */
272 hw = GetDesktopWindow();
273 if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd))
275 (rs.right + rs.left + rd.left - rd.right) / 2,
276 (rs.bottom + rs.top + rd.top - rd.bottom) / 2,
277 rd.right - rd.left, rd.bottom - rd.top, TRUE);
280 SetDlgItemText(hwnd, 100, ver);
283 switch (LOWORD(wParam)) {
289 EnableWindow(hwnd, 0);
290 DialogBox(hinst, MAKEINTRESOURCE(214), hwnd, LicenceProc);
291 EnableWindow(hwnd, 1);
292 SetActiveWindow(hwnd);
304 * Thread to generate a key.
306 struct rsa_key_thread_params {
307 HWND progressbar; /* notify this with progress */
308 HWND dialog; /* notify this on completion */
309 int keysize; /* bits in key */
312 struct dss_key *dsskey;
314 static DWORD WINAPI generate_rsa_key_thread(void *param)
316 struct rsa_key_thread_params *params =
317 (struct rsa_key_thread_params *) param;
318 struct progress prog;
319 prog.progbar = params->progressbar;
321 progress_update(&prog, PROGFN_INITIALISE, 0, 0);
324 dsa_generate(params->dsskey, params->keysize, progress_update, &prog);
326 rsa_generate(params->key, params->keysize, progress_update, &prog);
328 PostMessage(params->dialog, WM_DONEKEY, 0, 0);
334 struct MainDlgState {
335 int collecting_entropy;
336 int generation_thread_exists;
338 int entropy_got, entropy_required, entropy_size;
341 char **commentptr; /* points to key.comment or ssh2key.comment */
342 struct ssh2_userkey ssh2key;
345 struct dss_key dsskey;
346 HMENU filemenu, keymenu, cvtmenu;
349 static void hidemany(HWND hwnd, const int *ids, int hideit)
352 ShowWindow(GetDlgItem(hwnd, *ids++), (hideit ? SW_HIDE : SW_SHOW));
356 static void setupbigedit1(HWND hwnd, int id, int idstatic, struct RSAKey *key)
361 dec1 = bignum_decimal(key->exponent);
362 dec2 = bignum_decimal(key->modulus);
363 buffer = dupprintf("%d %s %s %s", bignum_bitcount(key->modulus),
364 dec1, dec2, key->comment);
365 SetDlgItemText(hwnd, id, buffer);
366 SetDlgItemText(hwnd, idstatic,
367 "&Public key for pasting into authorized_keys file:");
373 static void setupbigedit2(HWND hwnd, int id, int idstatic,
374 struct ssh2_userkey *key)
376 unsigned char *pub_blob;
381 pub_blob = key->alg->public_blob(key->data, &pub_len);
382 buffer = snewn(strlen(key->alg->name) + 4 * ((pub_len + 2) / 3) +
383 strlen(key->comment) + 3, char);
384 strcpy(buffer, key->alg->name);
385 p = buffer + strlen(buffer);
388 while (i < pub_len) {
389 int n = (pub_len - i < 3 ? pub_len - i : 3);
390 base64_encode_atom(pub_blob + i, n, p);
395 strcpy(p, key->comment);
396 SetDlgItemText(hwnd, id, buffer);
397 SetDlgItemText(hwnd, idstatic, "&Public key for pasting into "
398 "OpenSSH authorized_keys file:");
403 static int save_ssh1_pubkey(char *filename, struct RSAKey *key)
408 dec1 = bignum_decimal(key->exponent);
409 dec2 = bignum_decimal(key->modulus);
410 fp = fopen(filename, "wb");
413 fprintf(fp, "%d %s %s %s\n",
414 bignum_bitcount(key->modulus), dec1, dec2, key->comment);
422 * Warn about the obsolescent key file format.
424 void old_keyfile_warning(void)
426 static const char mbtitle[] = "PuTTY Key File Warning";
427 static const char message[] =
428 "You are loading an SSH-2 private key which has an\n"
429 "old version of the file format. This means your key\n"
430 "file is not fully tamperproof. Future versions of\n"
431 "PuTTY may stop supporting this private key format,\n"
432 "so we recommend you convert your key to the new\n"
435 "Once the key is loaded into PuTTYgen, you can perform\n"
436 "this conversion simply by saving it again.";
438 MessageBox(NULL, message, mbtitle, MB_OK);
441 static int save_ssh2_pubkey(char *filename, struct ssh2_userkey *key)
443 unsigned char *pub_blob;
449 pub_blob = key->alg->public_blob(key->data, &pub_len);
451 fp = fopen(filename, "wb");
455 fprintf(fp, "---- BEGIN SSH2 PUBLIC KEY ----\n");
457 fprintf(fp, "Comment: \"");
458 for (p = key->comment; *p; p++) {
459 if (*p == '\\' || *p == '\"')
467 while (i < pub_len) {
469 int n = (pub_len - i < 3 ? pub_len - i : 3);
470 base64_encode_atom(pub_blob + i, n, buf);
474 if (++column >= 16) {
482 fprintf(fp, "---- END SSH2 PUBLIC KEY ----\n");
489 controlidstart = 100,
496 IDC_PKSTATIC, IDC_KEYDISPLAY,
497 IDC_FPSTATIC, IDC_FINGERPRINT,
498 IDC_COMMENTSTATIC, IDC_COMMENTEDIT,
499 IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT,
500 IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT,
502 IDC_GENSTATIC, IDC_GENERATE,
503 IDC_LOADSTATIC, IDC_LOAD,
504 IDC_SAVESTATIC, IDC_SAVE, IDC_SAVEPUB,
506 IDC_TYPESTATIC, IDC_KEYSSH1, IDC_KEYSSH2RSA, IDC_KEYSSH2DSA,
507 IDC_BITSSTATIC, IDC_BITS,
510 IDC_IMPORT, IDC_EXPORT_OPENSSH, IDC_EXPORT_SSHCOM
513 static const int nokey_ids[] = { IDC_NOKEY, 0 };
514 static const int generating_ids[] = { IDC_GENERATING, IDC_PROGRESS, 0 };
515 static const int gotkey_ids[] = {
516 IDC_PKSTATIC, IDC_KEYDISPLAY,
517 IDC_FPSTATIC, IDC_FINGERPRINT,
518 IDC_COMMENTSTATIC, IDC_COMMENTEDIT,
519 IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT,
520 IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 0
524 * Small UI helper function to switch the state of the main dialog
525 * by enabling and disabling controls and menu items.
527 void ui_set_state(HWND hwnd, struct MainDlgState *state, int status)
533 hidemany(hwnd, nokey_ids, FALSE);
534 hidemany(hwnd, generating_ids, TRUE);
535 hidemany(hwnd, gotkey_ids, TRUE);
536 EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1);
537 EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1);
538 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0);
539 EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 0);
540 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 1);
541 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 1);
542 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 1);
543 EnableWindow(GetDlgItem(hwnd, IDC_BITS), 1);
544 EnableMenuItem(state->filemenu, IDC_LOAD, MF_ENABLED|MF_BYCOMMAND);
545 EnableMenuItem(state->filemenu, IDC_SAVE, MF_GRAYED|MF_BYCOMMAND);
546 EnableMenuItem(state->filemenu, IDC_SAVEPUB, MF_GRAYED|MF_BYCOMMAND);
547 EnableMenuItem(state->keymenu, IDC_GENERATE, MF_ENABLED|MF_BYCOMMAND);
548 EnableMenuItem(state->keymenu, IDC_KEYSSH1, MF_ENABLED|MF_BYCOMMAND);
549 EnableMenuItem(state->keymenu, IDC_KEYSSH2RSA, MF_ENABLED|MF_BYCOMMAND);
550 EnableMenuItem(state->keymenu, IDC_KEYSSH2DSA, MF_ENABLED|MF_BYCOMMAND);
551 EnableMenuItem(state->cvtmenu, IDC_IMPORT, MF_ENABLED|MF_BYCOMMAND);
552 EnableMenuItem(state->cvtmenu, IDC_EXPORT_OPENSSH,
553 MF_GRAYED|MF_BYCOMMAND);
554 EnableMenuItem(state->cvtmenu, IDC_EXPORT_SSHCOM,
555 MF_GRAYED|MF_BYCOMMAND);
557 case 1: /* generating key */
558 hidemany(hwnd, nokey_ids, TRUE);
559 hidemany(hwnd, generating_ids, FALSE);
560 hidemany(hwnd, gotkey_ids, TRUE);
561 EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 0);
562 EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 0);
563 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0);
564 EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 0);
565 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 0);
566 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 0);
567 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 0);
568 EnableWindow(GetDlgItem(hwnd, IDC_BITS), 0);
569 EnableMenuItem(state->filemenu, IDC_LOAD, MF_GRAYED|MF_BYCOMMAND);
570 EnableMenuItem(state->filemenu, IDC_SAVE, MF_GRAYED|MF_BYCOMMAND);
571 EnableMenuItem(state->filemenu, IDC_SAVEPUB, MF_GRAYED|MF_BYCOMMAND);
572 EnableMenuItem(state->keymenu, IDC_GENERATE, MF_GRAYED|MF_BYCOMMAND);
573 EnableMenuItem(state->keymenu, IDC_KEYSSH1, MF_GRAYED|MF_BYCOMMAND);
574 EnableMenuItem(state->keymenu, IDC_KEYSSH2RSA, MF_GRAYED|MF_BYCOMMAND);
575 EnableMenuItem(state->keymenu, IDC_KEYSSH2DSA, MF_GRAYED|MF_BYCOMMAND);
576 EnableMenuItem(state->cvtmenu, IDC_IMPORT, MF_GRAYED|MF_BYCOMMAND);
577 EnableMenuItem(state->cvtmenu, IDC_EXPORT_OPENSSH,
578 MF_GRAYED|MF_BYCOMMAND);
579 EnableMenuItem(state->cvtmenu, IDC_EXPORT_SSHCOM,
580 MF_GRAYED|MF_BYCOMMAND);
583 hidemany(hwnd, nokey_ids, TRUE);
584 hidemany(hwnd, generating_ids, TRUE);
585 hidemany(hwnd, gotkey_ids, FALSE);
586 EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1);
587 EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1);
588 EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1);
589 EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 1);
590 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 1);
591 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 1);
592 EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 1);
593 EnableWindow(GetDlgItem(hwnd, IDC_BITS), 1);
594 EnableMenuItem(state->filemenu, IDC_LOAD, MF_ENABLED|MF_BYCOMMAND);
595 EnableMenuItem(state->filemenu, IDC_SAVE, MF_ENABLED|MF_BYCOMMAND);
596 EnableMenuItem(state->filemenu, IDC_SAVEPUB, MF_ENABLED|MF_BYCOMMAND);
597 EnableMenuItem(state->keymenu, IDC_GENERATE, MF_ENABLED|MF_BYCOMMAND);
598 EnableMenuItem(state->keymenu, IDC_KEYSSH1, MF_ENABLED|MF_BYCOMMAND);
599 EnableMenuItem(state->keymenu, IDC_KEYSSH2RSA,MF_ENABLED|MF_BYCOMMAND);
600 EnableMenuItem(state->keymenu, IDC_KEYSSH2DSA,MF_ENABLED|MF_BYCOMMAND);
601 EnableMenuItem(state->cvtmenu, IDC_IMPORT, MF_ENABLED|MF_BYCOMMAND);
603 * Enable export menu items if and only if the key type
604 * supports this kind of export.
606 type = state->ssh2 ? SSH_KEYTYPE_SSH2 : SSH_KEYTYPE_SSH1;
607 #define do_export_menuitem(x,y) \
608 EnableMenuItem(state->cvtmenu, x, MF_BYCOMMAND | \
609 (import_target_type(y)==type?MF_ENABLED:MF_GRAYED))
610 do_export_menuitem(IDC_EXPORT_OPENSSH, SSH_KEYTYPE_OPENSSH);
611 do_export_menuitem(IDC_EXPORT_SSHCOM, SSH_KEYTYPE_SSHCOM);
612 #undef do_export_menuitem
617 void load_key_file(HWND hwnd, struct MainDlgState *state,
618 Filename *filename, int was_import_cmd)
620 char passphrase[PASSPHRASE_MAXLEN];
624 const char *errmsg = NULL;
626 struct PassphraseProcStruct pps;
627 struct RSAKey newkey1;
628 struct ssh2_userkey *newkey2 = NULL;
630 type = realtype = key_type(filename);
631 if (type != SSH_KEYTYPE_SSH1 &&
632 type != SSH_KEYTYPE_SSH2 &&
633 !import_possible(type)) {
634 char *msg = dupprintf("Couldn't load private key (%s)",
635 key_type_to_str(type));
636 message_box(msg, "PuTTYgen Error", MB_OK | MB_ICONERROR,
637 HELPCTXID(errors_cantloadkey));
642 if (type != SSH_KEYTYPE_SSH1 &&
643 type != SSH_KEYTYPE_SSH2) {
645 type = import_target_type(type);
649 if (realtype == SSH_KEYTYPE_SSH1)
650 needs_pass = rsakey_encrypted(filename, &comment);
651 else if (realtype == SSH_KEYTYPE_SSH2)
652 needs_pass = ssh2_userkey_encrypted(filename, &comment);
654 needs_pass = import_encrypted(filename, realtype, &comment);
655 pps.passphrase = passphrase;
656 pps.comment = comment;
660 dlgret = DialogBoxParam(hinst,
661 MAKEINTRESOURCE(210),
662 NULL, PassphraseProc,
670 if (type == SSH_KEYTYPE_SSH1) {
671 if (realtype == type)
672 ret = loadrsakey(filename, &newkey1, passphrase, &errmsg);
674 ret = import_ssh1(filename, realtype, &newkey1,
675 passphrase, &errmsg);
677 if (realtype == type)
678 newkey2 = ssh2_load_userkey(filename, passphrase, &errmsg);
680 newkey2 = import_ssh2(filename, realtype, passphrase, &errmsg);
681 if (newkey2 == SSH2_WRONG_PASSPHRASE)
692 char *msg = dupprintf("Couldn't load private key (%s)", errmsg);
693 message_box(msg, "PuTTYgen Error", MB_OK | MB_ICONERROR,
694 HELPCTXID(errors_cantloadkey));
696 } else if (ret == 1) {
698 * Now update the key controls with all the
702 SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
704 SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
706 if (type == SSH_KEYTYPE_SSH1) {
711 state->commentptr = &state->key.comment;
712 state->key = newkey1;
715 * Set the key fingerprint.
717 savecomment = state->key.comment;
718 state->key.comment = NULL;
719 rsa_fingerprint(buf, sizeof(buf),
721 state->key.comment = savecomment;
723 SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
725 * Construct a decimal representation
726 * of the key, for pasting into
727 * .ssh/authorized_keys on a Unix box.
729 setupbigedit1(hwnd, IDC_KEYDISPLAY,
730 IDC_PKSTATIC, &state->key);
737 &state->ssh2key.comment;
738 state->ssh2key = *newkey2; /* structure copy */
741 savecomment = state->ssh2key.comment;
742 state->ssh2key.comment = NULL;
745 fingerprint(state->ssh2key.data);
746 state->ssh2key.comment = savecomment;
748 SetDlgItemText(hwnd, IDC_FINGERPRINT, fp);
751 setupbigedit2(hwnd, IDC_KEYDISPLAY,
752 IDC_PKSTATIC, &state->ssh2key);
754 SetDlgItemText(hwnd, IDC_COMMENTEDIT,
758 * Finally, hide the progress bar and show
761 ui_set_state(hwnd, state, 2);
762 state->key_exists = TRUE;
765 * If the user has imported a foreign key
766 * using the Load command, let them know.
767 * If they've used the Import command, be
770 if (realtype != type && !was_import_cmd) {
772 sprintf(msg, "Successfully imported foreign key\n"
774 "To use this key with PuTTY, you need to\n"
775 "use the \"Save private key\" command to\n"
776 "save it in PuTTY's own format.",
777 key_type_to_str(realtype));
778 MessageBox(NULL, msg, "PuTTYgen Notice",
779 MB_OK | MB_ICONINFORMATION);
785 * Dialog-box function for the main PuTTYgen dialog box.
787 static int CALLBACK MainDlgProc(HWND hwnd, UINT msg,
788 WPARAM wParam, LPARAM lParam)
790 static const char generating_msg[] =
791 "Please wait while a key is generated...";
792 static const char entropy_msg[] =
793 "Please generate some randomness by moving the mouse over the blank area.";
794 struct MainDlgState *state;
799 SetWindowLongPtr(hwnd, GWL_EXSTYLE,
800 GetWindowLongPtr(hwnd, GWL_EXSTYLE) |
804 * If we add a Help button, this is where we destroy it
805 * if the help file isn't present.
808 SendMessage(hwnd, WM_SETICON, (WPARAM) ICON_BIG,
809 (LPARAM) LoadIcon(hinst, MAKEINTRESOURCE(200)));
811 state = snew(struct MainDlgState);
812 state->generation_thread_exists = FALSE;
813 state->collecting_entropy = FALSE;
814 state->entropy = NULL;
815 state->key_exists = FALSE;
816 SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) state);
822 menu1 = CreateMenu();
823 AppendMenu(menu1, MF_ENABLED, IDC_LOAD, "&Load private key");
824 AppendMenu(menu1, MF_ENABLED, IDC_SAVEPUB, "Save p&ublic key");
825 AppendMenu(menu1, MF_ENABLED, IDC_SAVE, "&Save private key");
826 AppendMenu(menu1, MF_SEPARATOR, 0, 0);
827 AppendMenu(menu1, MF_ENABLED, IDC_QUIT, "E&xit");
828 AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, "&File");
829 state->filemenu = menu1;
831 menu1 = CreateMenu();
832 AppendMenu(menu1, MF_ENABLED, IDC_GENERATE, "&Generate key pair");
833 AppendMenu(menu1, MF_SEPARATOR, 0, 0);
834 AppendMenu(menu1, MF_ENABLED, IDC_KEYSSH1, "SSH-&1 key (RSA)");
835 AppendMenu(menu1, MF_ENABLED, IDC_KEYSSH2RSA, "SSH-2 &RSA key");
836 AppendMenu(menu1, MF_ENABLED, IDC_KEYSSH2DSA, "SSH-2 &DSA key");
837 AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, "&Key");
838 state->keymenu = menu1;
840 menu1 = CreateMenu();
841 AppendMenu(menu1, MF_ENABLED, IDC_IMPORT, "&Import key");
842 AppendMenu(menu1, MF_SEPARATOR, 0, 0);
843 AppendMenu(menu1, MF_ENABLED, IDC_EXPORT_OPENSSH,
844 "Export &OpenSSH key");
845 AppendMenu(menu1, MF_ENABLED, IDC_EXPORT_SSHCOM,
846 "Export &ssh.com key");
847 AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1,
849 state->cvtmenu = menu1;
851 menu1 = CreateMenu();
852 AppendMenu(menu1, MF_ENABLED, IDC_ABOUT, "&About");
854 AppendMenu(menu1, MF_ENABLED, IDC_GIVEHELP, "&Help");
855 AppendMenu(menu, MF_POPUP | MF_ENABLED, (UINT) menu1, "&Help");
863 { /* centre the window */
867 hw = GetDesktopWindow();
868 if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd))
870 (rs.right + rs.left + rd.left - rd.right) / 2,
871 (rs.bottom + rs.top + rd.top - rd.bottom) / 2,
872 rd.right - rd.left, rd.bottom - rd.top, TRUE);
876 struct ctlpos cp, cp2;
878 /* Accelerators used: acglops1rbd */
880 ctlposinit(&cp, hwnd, 4, 4, 4);
881 beginbox(&cp, "Key", IDC_BOX_KEY);
883 statictext(&cp2, "No key.", 1, IDC_NOKEY);
885 statictext(&cp2, "", 1, IDC_GENERATING);
886 progressbar(&cp2, IDC_PROGRESS);
888 "&Public key for pasting into authorized_keys file:",
889 IDC_PKSTATIC, IDC_KEYDISPLAY, 5);
890 SendDlgItemMessage(hwnd, IDC_KEYDISPLAY, EM_SETREADONLY, 1, 0);
891 staticedit(&cp, "Key f&ingerprint:", IDC_FPSTATIC,
892 IDC_FINGERPRINT, 75);
893 SendDlgItemMessage(hwnd, IDC_FINGERPRINT, EM_SETREADONLY, 1,
895 staticedit(&cp, "Key &comment:", IDC_COMMENTSTATIC,
896 IDC_COMMENTEDIT, 75);
897 staticpassedit(&cp, "Key p&assphrase:", IDC_PASSPHRASE1STATIC,
898 IDC_PASSPHRASE1EDIT, 75);
899 staticpassedit(&cp, "C&onfirm passphrase:",
900 IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 75);
902 beginbox(&cp, "Actions", IDC_BOX_ACTIONS);
903 staticbtn(&cp, "Generate a public/private key pair",
904 IDC_GENSTATIC, "&Generate", IDC_GENERATE);
905 staticbtn(&cp, "Load an existing private key file",
906 IDC_LOADSTATIC, "&Load", IDC_LOAD);
907 static2btn(&cp, "Save the generated key", IDC_SAVESTATIC,
908 "Save p&ublic key", IDC_SAVEPUB,
909 "&Save private key", IDC_SAVE);
911 beginbox(&cp, "Parameters", IDC_BOX_PARAMS);
912 radioline(&cp, "Type of key to generate:", IDC_TYPESTATIC, 3,
913 "SSH-&1 (RSA)", IDC_KEYSSH1,
914 "SSH-2 &RSA", IDC_KEYSSH2RSA,
915 "SSH-2 &DSA", IDC_KEYSSH2DSA, NULL);
916 staticedit(&cp, "Number of &bits in a generated key:",
917 IDC_BITSSTATIC, IDC_BITS, 20);
920 CheckRadioButton(hwnd, IDC_KEYSSH1, IDC_KEYSSH2DSA, IDC_KEYSSH2RSA);
921 CheckMenuRadioItem(state->keymenu, IDC_KEYSSH1, IDC_KEYSSH2DSA,
922 IDC_KEYSSH2RSA, MF_BYCOMMAND);
923 SetDlgItemInt(hwnd, IDC_BITS, DEFAULT_KEYSIZE, FALSE);
926 * Initially, hide the progress bar and the key display,
927 * and show the no-key display. Also disable the Save
928 * buttons, because with no key we obviously can't save
931 ui_set_state(hwnd, state, 0);
934 * Load a key file if one was provided on the command line.
937 load_key_file(hwnd, state, filename_from_str(cmdline_keyfile), 0);
941 state = (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
942 if (state->collecting_entropy &&
943 state->entropy && state->entropy_got < state->entropy_required) {
944 state->entropy[state->entropy_got++] = lParam;
945 state->entropy[state->entropy_got++] = GetMessageTime();
946 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS,
947 state->entropy_got, 0);
948 if (state->entropy_got >= state->entropy_required) {
949 struct rsa_key_thread_params *params;
953 * Seed the entropy pool
955 random_add_heavynoise(state->entropy, state->entropy_size);
956 memset(state->entropy, 0, state->entropy_size);
957 sfree(state->entropy);
958 state->collecting_entropy = FALSE;
960 SetDlgItemText(hwnd, IDC_GENERATING, generating_msg);
961 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
962 MAKELPARAM(0, PROGRESSRANGE));
963 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0);
965 params = snew(struct rsa_key_thread_params);
966 params->progressbar = GetDlgItem(hwnd, IDC_PROGRESS);
967 params->dialog = hwnd;
968 params->keysize = state->keysize;
969 params->is_dsa = state->is_dsa;
970 params->key = &state->key;
971 params->dsskey = &state->dsskey;
973 if (!CreateThread(NULL, 0, generate_rsa_key_thread,
974 params, 0, &threadid)) {
975 MessageBox(hwnd, "Out of thread resources",
976 "Key generation error",
977 MB_OK | MB_ICONERROR);
980 state->generation_thread_exists = TRUE;
986 switch (LOWORD(wParam)) {
991 state = (struct MainDlgState *)
992 GetWindowLongPtr(hwnd, GWLP_USERDATA);
993 if (!IsDlgButtonChecked(hwnd, LOWORD(wParam)))
994 CheckRadioButton(hwnd, IDC_KEYSSH1, IDC_KEYSSH2DSA,
996 CheckMenuRadioItem(state->keymenu, IDC_KEYSSH1, IDC_KEYSSH2DSA,
997 LOWORD(wParam), MF_BYCOMMAND);
1001 PostMessage(hwnd, WM_CLOSE, 0, 0);
1003 case IDC_COMMENTEDIT:
1004 if (HIWORD(wParam) == EN_CHANGE) {
1005 state = (struct MainDlgState *)
1006 GetWindowLongPtr(hwnd, GWLP_USERDATA);
1007 if (state->key_exists) {
1008 HWND editctl = GetDlgItem(hwnd, IDC_COMMENTEDIT);
1009 int len = GetWindowTextLength(editctl);
1010 if (*state->commentptr)
1011 sfree(*state->commentptr);
1012 *state->commentptr = snewn(len + 1, char);
1013 GetWindowText(editctl, *state->commentptr, len + 1);
1015 setupbigedit2(hwnd, IDC_KEYDISPLAY, IDC_PKSTATIC,
1018 setupbigedit1(hwnd, IDC_KEYDISPLAY, IDC_PKSTATIC,
1025 EnableWindow(hwnd, 0);
1026 DialogBox(hinst, MAKEINTRESOURCE(213), hwnd, AboutProc);
1027 EnableWindow(hwnd, 1);
1028 SetActiveWindow(hwnd);
1031 if (HIWORD(wParam) == BN_CLICKED ||
1032 HIWORD(wParam) == BN_DOUBLECLICKED) {
1033 launch_help(hwnd, WINHELP_CTX_puttygen_general);
1037 if (HIWORD(wParam) != BN_CLICKED &&
1038 HIWORD(wParam) != BN_DOUBLECLICKED)
1041 (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
1042 if (!state->generation_thread_exists) {
1044 state->keysize = GetDlgItemInt(hwnd, IDC_BITS, &ok, FALSE);
1046 state->keysize = DEFAULT_KEYSIZE;
1047 /* If we ever introduce a new key type, check it here! */
1048 state->ssh2 = !IsDlgButtonChecked(hwnd, IDC_KEYSSH1);
1049 state->is_dsa = IsDlgButtonChecked(hwnd, IDC_KEYSSH2DSA);
1050 if (state->keysize < 256) {
1051 int ret = MessageBox(hwnd,
1052 "PuTTYgen will not generate a key"
1053 " smaller than 256 bits.\n"
1054 "Key length reset to 256. Continue?",
1056 MB_ICONWARNING | MB_OKCANCEL);
1059 state->keysize = 256;
1060 SetDlgItemInt(hwnd, IDC_BITS, 256, FALSE);
1062 ui_set_state(hwnd, state, 1);
1063 SetDlgItemText(hwnd, IDC_GENERATING, entropy_msg);
1064 state->key_exists = FALSE;
1065 state->collecting_entropy = TRUE;
1068 * My brief statistical tests on mouse movements
1069 * suggest that there are about 2.5 bits of
1070 * randomness in the x position, 2.5 in the y
1071 * position, and 1.7 in the message time, making
1072 * 5.7 bits of unpredictability per mouse movement.
1073 * However, other people have told me it's far less
1074 * than that, so I'm going to be stupidly cautious
1075 * and knock that down to a nice round 2. With this
1076 * method, we require two words per mouse movement,
1077 * so with 2 bits per mouse movement we expect 2
1078 * bits every 2 words.
1080 state->entropy_required = (state->keysize / 2) * 2;
1081 state->entropy_got = 0;
1082 state->entropy_size = (state->entropy_required *
1084 state->entropy = snewn(state->entropy_required, unsigned);
1086 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
1087 MAKELPARAM(0, state->entropy_required));
1088 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0);
1092 case IDC_EXPORT_OPENSSH:
1093 case IDC_EXPORT_SSHCOM:
1094 if (HIWORD(wParam) != BN_CLICKED)
1097 (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
1098 if (state->key_exists) {
1099 char filename[FILENAME_MAX];
1100 char passphrase[PASSPHRASE_MAXLEN];
1101 char passphrase2[PASSPHRASE_MAXLEN];
1105 realtype = SSH_KEYTYPE_SSH2;
1107 realtype = SSH_KEYTYPE_SSH1;
1109 if (LOWORD(wParam) == IDC_EXPORT_OPENSSH)
1110 type = SSH_KEYTYPE_OPENSSH;
1111 else if (LOWORD(wParam) == IDC_EXPORT_SSHCOM)
1112 type = SSH_KEYTYPE_SSHCOM;
1116 if (type != realtype &&
1117 import_target_type(type) != realtype) {
1119 sprintf(msg, "Cannot export an SSH-%d key in an SSH-%d"
1120 " format", (state->ssh2 ? 2 : 1),
1121 (state->ssh2 ? 1 : 2));
1122 MessageBox(hwnd, msg,
1123 "PuTTYgen Error", MB_OK | MB_ICONERROR);
1127 GetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
1128 passphrase, sizeof(passphrase));
1129 GetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
1130 passphrase2, sizeof(passphrase2));
1131 if (strcmp(passphrase, passphrase2)) {
1133 "The two passphrases given do not match.",
1134 "PuTTYgen Error", MB_OK | MB_ICONERROR);
1139 ret = MessageBox(hwnd,
1140 "Are you sure you want to save this key\n"
1141 "without a passphrase to protect it?",
1143 MB_YESNO | MB_ICONWARNING);
1147 if (prompt_keyfile(hwnd, "Save private key as:",
1148 filename, 1, (type == realtype))) {
1150 FILE *fp = fopen(filename, "r");
1154 buffer = dupprintf("Overwrite existing file\n%s?",
1156 ret = MessageBox(hwnd, buffer, "PuTTYgen Warning",
1157 MB_YESNO | MB_ICONWARNING);
1164 Filename *fn = filename_from_str(filename);
1165 if (type != realtype)
1166 ret = export_ssh2(fn, type, &state->ssh2key,
1167 *passphrase ? passphrase : NULL);
1169 ret = ssh2_save_userkey(fn, &state->ssh2key,
1170 *passphrase ? passphrase :
1174 Filename *fn = filename_from_str(filename);
1175 if (type != realtype)
1176 ret = export_ssh1(fn, type, &state->key,
1177 *passphrase ? passphrase : NULL);
1179 ret = saversakey(fn, &state->key,
1180 *passphrase ? passphrase : NULL);
1184 MessageBox(hwnd, "Unable to save key file",
1185 "PuTTYgen Error", MB_OK | MB_ICONERROR);
1191 if (HIWORD(wParam) != BN_CLICKED)
1194 (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
1195 if (state->key_exists) {
1196 char filename[FILENAME_MAX];
1197 if (prompt_keyfile(hwnd, "Save public key as:",
1200 FILE *fp = fopen(filename, "r");
1204 buffer = dupprintf("Overwrite existing file\n%s?",
1206 ret = MessageBox(hwnd, buffer, "PuTTYgen Warning",
1207 MB_YESNO | MB_ICONWARNING);
1213 ret = save_ssh2_pubkey(filename, &state->ssh2key);
1215 ret = save_ssh1_pubkey(filename, &state->key);
1218 MessageBox(hwnd, "Unable to save key file",
1219 "PuTTYgen Error", MB_OK | MB_ICONERROR);
1226 if (HIWORD(wParam) != BN_CLICKED)
1229 (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
1230 if (!state->generation_thread_exists) {
1231 char filename[FILENAME_MAX];
1232 if (prompt_keyfile(hwnd, "Load private key:",
1233 filename, 0, LOWORD(wParam)==IDC_LOAD))
1234 load_key_file(hwnd, state, filename_from_str(filename),
1235 LOWORD(wParam) != IDC_LOAD);
1241 state = (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
1242 state->generation_thread_exists = FALSE;
1243 state->key_exists = TRUE;
1244 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
1245 MAKELPARAM(0, PROGRESSRANGE));
1246 SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, PROGRESSRANGE, 0);
1248 if (state->is_dsa) {
1249 state->ssh2key.data = &state->dsskey;
1250 state->ssh2key.alg = &ssh_dss;
1252 state->ssh2key.data = &state->key;
1253 state->ssh2key.alg = &ssh_rsa;
1255 state->commentptr = &state->ssh2key.comment;
1257 state->commentptr = &state->key.comment;
1260 * Invent a comment for the key. We'll do this by including
1261 * the date in it. This will be so horrifyingly ugly that
1262 * the user will immediately want to change it, which is
1265 *state->commentptr = snewn(30, char);
1270 strftime(*state->commentptr, 30, "dsa-key-%Y%m%d", &tm);
1272 strftime(*state->commentptr, 30, "rsa-key-%Y%m%d", &tm);
1276 * Now update the key controls with all the key data.
1281 * Blank passphrase, initially. This isn't dangerous,
1282 * because we will warn (Are You Sure?) before allowing
1283 * the user to save an unprotected private key.
1285 SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, "");
1286 SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, "");
1290 SetDlgItemText(hwnd, IDC_COMMENTEDIT, *state->commentptr);
1292 * Set the key fingerprint.
1294 savecomment = *state->commentptr;
1295 *state->commentptr = NULL;
1298 fp = state->ssh2key.alg->fingerprint(state->ssh2key.data);
1299 SetDlgItemText(hwnd, IDC_FINGERPRINT, fp);
1303 rsa_fingerprint(buf, sizeof(buf), &state->key);
1304 SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
1306 *state->commentptr = savecomment;
1308 * Construct a decimal representation of the key, for
1309 * pasting into .ssh/authorized_keys or
1310 * .ssh/authorized_keys2 on a Unix box.
1313 setupbigedit2(hwnd, IDC_KEYDISPLAY,
1314 IDC_PKSTATIC, &state->ssh2key);
1316 setupbigedit1(hwnd, IDC_KEYDISPLAY,
1317 IDC_PKSTATIC, &state->key);
1321 * Finally, hide the progress bar and show the key data.
1323 ui_set_state(hwnd, state, 2);
1327 int id = ((LPHELPINFO)lParam)->iCtrlId;
1330 case IDC_GENERATING:
1334 topic = WINHELP_CTX_puttygen_generate; break;
1336 case IDC_KEYDISPLAY:
1337 topic = WINHELP_CTX_puttygen_pastekey; break;
1339 case IDC_FINGERPRINT:
1340 topic = WINHELP_CTX_puttygen_fingerprint; break;
1341 case IDC_COMMENTSTATIC:
1342 case IDC_COMMENTEDIT:
1343 topic = WINHELP_CTX_puttygen_comment; break;
1344 case IDC_PASSPHRASE1STATIC:
1345 case IDC_PASSPHRASE1EDIT:
1346 case IDC_PASSPHRASE2STATIC:
1347 case IDC_PASSPHRASE2EDIT:
1348 topic = WINHELP_CTX_puttygen_passphrase; break;
1349 case IDC_LOADSTATIC:
1351 topic = WINHELP_CTX_puttygen_load; break;
1352 case IDC_SAVESTATIC:
1354 topic = WINHELP_CTX_puttygen_savepriv; break;
1356 topic = WINHELP_CTX_puttygen_savepub; break;
1357 case IDC_TYPESTATIC:
1359 case IDC_KEYSSH2RSA:
1360 case IDC_KEYSSH2DSA:
1361 topic = WINHELP_CTX_puttygen_keytype; break;
1362 case IDC_BITSSTATIC:
1364 topic = WINHELP_CTX_puttygen_bits; break;
1366 case IDC_EXPORT_OPENSSH:
1367 case IDC_EXPORT_SSHCOM:
1368 topic = WINHELP_CTX_puttygen_conversions; break;
1371 launch_help(hwnd, topic);
1378 state = (struct MainDlgState *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
1387 void cleanup_exit(int code)
1393 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
1399 InitCommonControls();
1404 * See if we can find our Help file.
1408 split_into_argv(cmdline, &argc, &argv, NULL);
1411 if (!strcmp(argv[0], "-pgpfp")) {
1416 * Assume the first argument to be a private key file, and
1417 * attempt to load it.
1419 cmdline_keyfile = argv[0];
1424 ret = DialogBox(hinst, MAKEINTRESOURCE(201), NULL, MainDlgProc) != IDOK;
1427 return ret; /* just in case optimiser complains */