1 files changed, 92 insertions, 0 deletions
diff --git a/contrib/wpa_supplicant/eap_psk_common.h b/contrib/wpa_supplicant/eap_psk_common.h
new file mode 100644
index 0000000..5dd3a10
--- /dev/null
+++ b/contrib/wpa_supplicant/eap_psk_common.h
@@ -0,0 +1,92 @@
+/*
+ * WPA Supplicant / EAP-PSK shared routines
+ * Copyright (c) 2004-2005, Jouni Malinen <jkmaline@cc.hut.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.
+ */
+
+#ifndef EAP_PSK_COMMON_H
+#define EAP_PSK_COMMON_H
+
+
+#define EAP_PSK_RAND_LEN 16
+#define EAP_PSK_MAC_LEN 16
+#define EAP_PSK_TEK_LEN 16
+#define EAP_PSK_MSK_LEN 64
+#define EAP_PSK_PSK_LEN 16
+#define EAP_PSK_AK_LEN 16
+#define EAP_PSK_KDK_LEN 16
+
+#define EAP_PSK_R_FLAG_CONT 1
+#define EAP_PSK_R_FLAG_DONE_SUCCESS 2
+#define EAP_PSK_R_FLAG_DONE_FAILURE 3
+#define EAP_PSK_E_FLAG 0x20
+
+/* Shared prefix for all EAP-PSK frames */
+struct eap_psk_hdr {
+	u8 code;
+	u8 identifier;
+	u16 length; /* including code, identifier, and length */
+	u8 type; /* EAP_TYPE_PSK */
+	u8 flags;
+} __attribute__ ((packed));
+
+/* EAP-PSK First Message (AS -> Supplicant) */
+struct eap_psk_hdr_1 {
+	u8 code;
+	u8 identifier;
+	u16 length; /* including code, identifier, and length */
+	u8 type; /* EAP_TYPE_PSK */
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	/* Followed by variable length ID_S */
+} __attribute__ ((packed));
+
+/* EAP-PSK Second Message (Supplicant -> AS) */
+struct eap_psk_hdr_2 {
+	u8 code;
+	u8 identifier;
+	u16 length; /* including code, identifier, and length */
+	u8 type; /* EAP_TYPE_PSK */
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	u8 rand_p[EAP_PSK_RAND_LEN];
+	u8 mac_p[EAP_PSK_MAC_LEN];
+	/* Followed by variable length ID_P */
+} __attribute__ ((packed));
+
+/* EAP-PSK Third Message (AS -> Supplicant) */
+struct eap_psk_hdr_3 {
+	u8 code;
+	u8 identifier;
+	u16 length; /* including code, identifier, and length */
+	u8 type; /* EAP_TYPE_PSK */
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	u8 mac_s[EAP_PSK_MAC_LEN];
+	/* Followed by variable length PCHANNEL */
+} __attribute__ ((packed));
+
+/* EAP-PSK Fourth Message (Supplicant -> AS) */
+struct eap_psk_hdr_4 {
+	u8 code;
+	u8 identifier;
+	u16 length; /* including code, identifier, and length */
+	u8 type; /* EAP_TYPE_PSK */
+	u8 flags;
+	u8 rand_s[EAP_PSK_RAND_LEN];
+	/* Followed by variable length PCHANNEL */
+} __attribute__ ((packed));
+
+
+void eap_psk_key_setup(const u8 *psk, u8 *ak, u8 *kdk);
+void eap_psk_derive_keys(const u8 *kdk, const u8 *rand_p, u8 *tek, u8 *msk);
+
+#endif /* EAP_PSK_COMMON_H */