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authorJouni Malinen <j@w1.fi>2008-02-28 01:34:43 (GMT)
committerJouni Malinen <jm@jm.kir.nu>2008-02-28 01:34:43 (GMT)
commit6fc6879bd55a394f807cbbe927df736c190cb8ab (patch)
treecdf50da0c58f21510a808d53502a060d911ff243 /wpa_supplicant/wpa_passphrase.c
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Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
Diffstat (limited to 'wpa_supplicant/wpa_passphrase.c')
-rw-r--r--wpa_supplicant/wpa_passphrase.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/wpa_supplicant/wpa_passphrase.c b/wpa_supplicant/wpa_passphrase.c
new file mode 100644
index 0000000..96b0c32
--- /dev/null
+++ b/wpa_supplicant/wpa_passphrase.c
@@ -0,0 +1,73 @@
+/*
+ * WPA Supplicant - ASCII passphrase to WPA PSK tool
+ * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha1.h"
+
+
+int main(int argc, char *argv[])
+{
+ unsigned char psk[32];
+ int i;
+ char *ssid, *passphrase, buf[64], *pos;
+
+ if (argc < 2) {
+ printf("usage: wpa_passphrase <ssid> [passphrase]\n"
+ "\nIf passphrase is left out, it will be read from "
+ "stdin\n");
+ return 1;
+ }
+
+ ssid = argv[1];
+
+ if (argc > 2) {
+ passphrase = argv[2];
+ } else {
+ printf("# reading passphrase from stdin\n");
+ if (fgets(buf, sizeof(buf), stdin) == NULL) {
+ printf("Failed to read passphrase\n");
+ return 1;
+ }
+ buf[sizeof(buf) - 1] = '\0';
+ pos = buf;
+ while (*pos != '\0') {
+ if (*pos == '\r' || *pos == '\n') {
+ *pos = '\0';
+ break;
+ }
+ pos++;
+ }
+ passphrase = buf;
+ }
+
+ if (os_strlen(passphrase) < 8 || os_strlen(passphrase) > 63) {
+ printf("Passphrase must be 8..63 characters\n");
+ return 1;
+ }
+
+ pbkdf2_sha1(passphrase, ssid, os_strlen(ssid), 4096, psk, 32);
+
+ printf("network={\n");
+ printf("\tssid=\"%s\"\n", ssid);
+ printf("\t#psk=\"%s\"\n", passphrase);
+ printf("\tpsk=");
+ for (i = 0; i < 32; i++)
+ printf("%02x", psk[i]);
+ printf("\n");
+ printf("}\n");
+
+ return 0;
+}