diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index 0313cb17c..fccdc72ee 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -1962,7 +1962,7 @@ static void ieee802_1x_rekey(void *eloop_ctx, void *timeout_ctx)
 
 	wpa_printf(MSG_DEBUG, "IEEE 802.1X: New default WEP key index %d",
 		   eapol->default_wep_key_idx);
-		      
+
 	if (ieee802_1x_rekey_broadcast(hapd)) {
 		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE8021X,
 			       HOSTAPD_LEVEL_WARNING, "failed to generate a "
diff --git a/src/crypto/des-internal.c b/src/crypto/des-internal.c
index dec39ef8c..ebd9952ea 100644
--- a/src/crypto/des-internal.c
+++ b/src/crypto/des-internal.c
@@ -48,7 +48,7 @@
 
 static const u32 bytebit[8] =
 {
-	0200, 0100, 040, 020, 010, 04, 02, 01 
+	0200, 0100, 040, 020, 010, 04, 02, 01
 };
 
 static const u32 bigbyte[24] =
@@ -58,22 +58,22 @@ static const u32 bigbyte[24] =
 	0x8000UL,    0x4000UL,    0x2000UL,    0x1000UL,
 	0x800UL,     0x400UL,     0x200UL,     0x100UL,
 	0x80UL,      0x40UL,      0x20UL,      0x10UL,
-	0x8UL,       0x4UL,       0x2UL,       0x1L 
+	0x8UL,       0x4UL,       0x2UL,       0x1L
 };
 
 /* Use the key schedule specific in the standard (ANSI X3.92-1981) */
 
 static const u8 pc1[56] = {
-	56, 48, 40, 32, 24, 16,  8,  0, 57, 49, 41, 33, 25, 17,  
-	 9,  1, 58, 50, 42, 34, 26, 18, 10,  2, 59, 51, 43, 35, 
+	56, 48, 40, 32, 24, 16,  8,  0, 57, 49, 41, 33, 25, 17,
+	 9,  1, 58, 50, 42, 34, 26, 18, 10,  2, 59, 51, 43, 35,
 	62, 54, 46, 38, 30, 22, 14,  6, 61, 53, 45, 37, 29, 21,
-	13,  5, 60, 52, 44, 36, 28, 20, 12,  4, 27, 19, 11,  3 
+	13,  5, 60, 52, 44, 36, 28, 20, 12,  4, 27, 19, 11,  3
 };
 
 static const u8 totrot[16] = {
 	1,   2,  4,  6,
-	8,  10, 12, 14, 
-	15, 17, 19, 21, 
+	8,  10, 12, 14,
+	15, 17, 19, 21,
 	23, 25, 27, 28
 };
 
diff --git a/src/crypto/sha1-internal.c b/src/crypto/sha1-internal.c
index ffcba66af..a4917070f 100644
--- a/src/crypto/sha1-internal.c
+++ b/src/crypto/sha1-internal.c
@@ -53,7 +53,7 @@ By Steve Reid <sreid@sea-to-sky.net>
 100% Public Domain
 
 -----------------
-Modified 7/98 
+Modified 7/98
 By James H. Brown <jbrown@burgoyne.com>
 Still 100% Public Domain
 
@@ -75,7 +75,7 @@ Since the file IO in main() reads 16K at a time, any file 8K or larger would
 be guaranteed to generate the wrong hash (e.g. Test Vector #3, a million
 "a"s).
 
-I also changed the declaration of variables i & j in SHA1Update to 
+I also changed the declaration of variables i & j in SHA1Update to
 unsigned long from unsigned int for the same reason.
 
 These changes should make no difference to any 32 bit implementations since
@@ -102,7 +102,7 @@ Still 100% public domain
 Modified 4/01
 By Saul Kravitz <Saul.Kravitz@celera.com>
 Still 100% PD
-Modified to run on Compaq Alpha hardware.  
+Modified to run on Compaq Alpha hardware.
 
 -----------------
 Modified 4/01
@@ -162,7 +162,7 @@ void SHAPrintContext(SHA1_CTX *context, char *msg)
 {
 	printf("%s (%d,%d) %x %x %x %x %x\n",
 	       msg,
-	       context->count[0], context->count[1], 
+	       context->count[0], context->count[1],
 	       context->state[0],
 	       context->state[1],
 	       context->state[2],
diff --git a/src/crypto/sha256-internal.c b/src/crypto/sha256-internal.c
index 86a548ee4..ff1e2ba16 100644
--- a/src/crypto/sha256-internal.c
+++ b/src/crypto/sha256-internal.c
@@ -69,7 +69,7 @@ static const unsigned long K[64] = {
 ( ((((unsigned long) (x) & 0xFFFFFFFFUL) >> (unsigned long) ((y) & 31)) | \
    ((unsigned long) (x) << (unsigned long) (32 - ((y) & 31)))) & 0xFFFFFFFFUL)
 #define Ch(x,y,z)       (z ^ (x & (y ^ z)))
-#define Maj(x,y,z)      (((x | y) & z) | (x & y)) 
+#define Maj(x,y,z)      (((x | y) & z) | (x & y))
 #define S(x, n)         RORc((x), (n))
 #define R(x, n)         (((x)&0xFFFFFFFFUL)>>(n))
 #define Sigma0(x)       (S(x, 2) ^ S(x, 13) ^ S(x, 22))
@@ -100,7 +100,7 @@ static int sha256_compress(struct sha256_state *md, unsigned char *buf)
 	for (i = 16; i < 64; i++) {
 		W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
 			W[i - 16];
-	}        
+	}
 
 	/* Compress */
 #define RND(a,b,c,d,e,f,g,h,i)                          \
@@ -111,7 +111,7 @@ static int sha256_compress(struct sha256_state *md, unsigned char *buf)
 
 	for (i = 0; i < 64; ++i) {
 		RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i);
-		t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4]; 
+		t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
 		S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
 	}
 
diff --git a/src/crypto/tls_gnutls.c b/src/crypto/tls_gnutls.c
index 200f0eda9..8c76bfad4 100644
--- a/src/crypto/tls_gnutls.c
+++ b/src/crypto/tls_gnutls.c
@@ -402,7 +402,7 @@ int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
 		return -1;
 	}
 
-	/* TODO: gnutls_certificate_set_verify_flags(xcred, flags); 
+	/* TODO: gnutls_certificate_set_verify_flags(xcred, flags);
 	 * to force peer validation(?) */
 
 	if (params->ca_cert) {
diff --git a/src/drivers/driver_bsd.c b/src/drivers/driver_bsd.c
index 2afd7df96..8621aa0b0 100644
--- a/src/drivers/driver_bsd.c
+++ b/src/drivers/driver_bsd.c
@@ -726,7 +726,7 @@ bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
 }
 
 
-static int 
+static int
 bsd_flush(void *priv)
 {
 	u8 allsta[IEEE80211_ADDR_LEN];
diff --git a/src/drivers/driver_privsep.c b/src/drivers/driver_privsep.c
index 8c93d2641..655128a96 100644
--- a/src/drivers/driver_privsep.c
+++ b/src/drivers/driver_privsep.c
@@ -97,7 +97,7 @@ static int wpa_priv_cmd(struct wpa_driver_privsep_data *drv, int cmd,
 	return 0;
 }
 
-			     
+
 static int wpa_driver_privsep_scan(void *priv,
 				   struct wpa_driver_scan_params *params)
 {
diff --git a/src/eap_common/eap_fast_common.c b/src/eap_common/eap_fast_common.c
index 9ef671c41..57990d254 100644
--- a/src/eap_common/eap_fast_common.c
+++ b/src/eap_common/eap_fast_common.c
@@ -79,7 +79,7 @@ void eap_fast_derive_master_secret(const u8 *pac_key, const u8 *server_random,
 
 	/*
 	 * RFC 4851, Section 5.1:
-	 * master_secret = T-PRF(PAC-Key, "PAC to master secret label hash", 
+	 * master_secret = T-PRF(PAC-Key, "PAC to master secret label hash",
 	 *                       server_random + client_random, 48)
 	 */
 	os_memcpy(seed, server_random, TLS_RANDOM_LEN);
diff --git a/src/eap_peer/eap_peap.c b/src/eap_peer/eap_peap.c
index 45ba38168..efeddb853 100644
--- a/src/eap_peer/eap_peap.c
+++ b/src/eap_peer/eap_peap.c
@@ -1082,7 +1082,7 @@ static struct wpabuf * eap_peap_process(struct eap_sm *sm, void *priv,
 				eap_peer_tls_derive_key(sm, &data->ssl, label,
 							EAP_TLS_KEY_LEN);
 			if (data->key_data) {
-				wpa_hexdump_key(MSG_DEBUG, 
+				wpa_hexdump_key(MSG_DEBUG,
 						"EAP-PEAP: Derived key",
 						data->key_data,
 						EAP_TLS_KEY_LEN);
diff --git a/src/eap_peer/eap_ttls.c b/src/eap_peer/eap_ttls.c
index 92f94dcd6..e4bc22fcc 100644
--- a/src/eap_peer/eap_ttls.c
+++ b/src/eap_peer/eap_ttls.c
@@ -1537,7 +1537,7 @@ static int eap_ttls_process_handshake(struct eap_sm *sm,
 }
 
 
-static void eap_ttls_check_auth_status(struct eap_sm *sm, 
+static void eap_ttls_check_auth_status(struct eap_sm *sm,
 				       struct eap_ttls_data *data,
 				       struct eap_method_ret *ret)
 {
diff --git a/src/eap_server/eap_server_fast.c b/src/eap_server/eap_server_fast.c
index 204917268..f6d7e3224 100644
--- a/src/eap_server/eap_server_fast.c
+++ b/src/eap_server/eap_server_fast.c
@@ -561,7 +561,7 @@ static int eap_fast_phase1_done(struct eap_sm *sm, struct eap_fast_data *data)
 		return -1;
 	}
 	data->anon_provisioning = os_strstr(cipher, "ADH") != NULL;
-		    
+
 	if (data->anon_provisioning) {
 		wpa_printf(MSG_DEBUG, "EAP-FAST: Anonymous provisioning");
 		eap_fast_derive_key_provisioning(sm, data);
@@ -789,7 +789,7 @@ static struct wpabuf * eap_fast_build_pac(struct eap_sm *sm,
 
 	/* A-ID (inside PAC-Info) */
 	eap_fast_put_tlv(buf, PAC_TYPE_A_ID, data->srv_id, data->srv_id_len);
-	
+
 	/* Note: headers may be misaligned after A-ID */
 
 	if (sm->identity) {
diff --git a/src/eapol_supp/eapol_supp_sm.c b/src/eapol_supp/eapol_supp_sm.c
index 97e7e7167..0dc7ea660 100644
--- a/src/eapol_supp/eapol_supp_sm.c
+++ b/src/eapol_supp/eapol_supp_sm.c
@@ -95,7 +95,7 @@ struct eapol_sm {
 		SUPP_BE_RECEIVE = 4,
 		SUPP_BE_RESPONSE = 5,
 		SUPP_BE_FAIL = 6,
-		SUPP_BE_TIMEOUT = 7, 
+		SUPP_BE_TIMEOUT = 7,
 		SUPP_BE_SUCCESS = 8
 	} SUPP_BE_state; /* dot1xSuppBackendPaeState */
 	/* Variables */
diff --git a/src/l2_packet/l2_packet_privsep.c b/src/l2_packet/l2_packet_privsep.c
index e26ca20a8..ce86802c2 100644
--- a/src/l2_packet/l2_packet_privsep.c
+++ b/src/l2_packet/l2_packet_privsep.c
@@ -51,7 +51,7 @@ static int wpa_priv_cmd(struct l2_packet_data *l2, int cmd,
 	return 0;
 }
 
-			     
+
 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)
 {
 	os_memcpy(addr, l2->own_addr, ETH_ALEN);
@@ -258,7 +258,7 @@ void l2_packet_deinit(struct l2_packet_data *l2)
 		unlink(l2->own_socket_path);
 		os_free(l2->own_socket_path);
 	}
-		
+
 	os_free(l2);
 }
 
diff --git a/src/radius/radius.c b/src/radius/radius.c
index 407e4f8b9..9ddc19bbd 100644
--- a/src/radius/radius.c
+++ b/src/radius/radius.c
@@ -210,7 +210,7 @@ static const struct radius_attr_type radius_attrs[] =
 	{ RADIUS_ATTR_ACCT_MULTI_SESSION_ID, "Acct-Multi-Session-Id",
 	  RADIUS_ATTR_TEXT },
 	{ RADIUS_ATTR_ACCT_LINK_COUNT, "Acct-Link-Count", RADIUS_ATTR_INT32 },
-	{ RADIUS_ATTR_ACCT_INPUT_GIGAWORDS, "Acct-Input-Gigawords", 
+	{ RADIUS_ATTR_ACCT_INPUT_GIGAWORDS, "Acct-Input-Gigawords",
 	  RADIUS_ATTR_INT32 },
 	{ RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS, "Acct-Output-Gigawords",
 	  RADIUS_ATTR_INT32 },
diff --git a/src/radius/radius_server.c b/src/radius/radius_server.c
index 323c409c8..e8bef45fc 100644
--- a/src/radius/radius_server.c
+++ b/src/radius/radius_server.c
@@ -1062,7 +1062,7 @@ static int radius_server_request(struct radius_server_data *data,
 			     "message");
 		return -1;
 	}
-		      
+
 	eap = radius_msg_get_eap(msg);
 	if (eap == NULL && sess->macacl) {
 		reply = radius_server_macacl(data, client, sess, msg);
diff --git a/src/rsn_supp/wpa.h b/src/rsn_supp/wpa.h
index d1a810bea..c9f278aab 100644
--- a/src/rsn_supp/wpa.h
+++ b/src/rsn_supp/wpa.h
@@ -25,7 +25,7 @@ struct wpa_sm_ctx {
 
 	void (*set_state)(void *ctx, enum wpa_states state);
 	enum wpa_states (*get_state)(void *ctx);
-	void (*deauthenticate)(void * ctx, int reason_code); 
+	void (*deauthenticate)(void * ctx, int reason_code);
 	int (*set_key)(void *ctx, enum wpa_alg alg,
 		       const u8 *addr, int key_idx, int set_tx,
 		       const u8 *seq, size_t seq_len,
diff --git a/src/tls/libtommath.c b/src/tls/libtommath.c
index 8bc824f20..4f7a14823 100644
--- a/src/tls/libtommath.c
+++ b/src/tls/libtommath.c
@@ -116,7 +116,7 @@ typedef int           mp_err;
       #define MP_PREC                 32     /* default digits of precision */
    #else
       #define MP_PREC                 8      /* default digits of precision */
-   #endif   
+   #endif
 #endif
 
 /* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD - BITS_PER_DIGIT*2) */
@@ -274,8 +274,8 @@ static int s_mp_add (mp_int * a, mp_int * b, mp_int * c)
       *tmpc++ &= MP_MASK;
     }
 
-    /* now copy higher words if any, that is in A+B 
-     * if A or B has more digits add those in 
+    /* now copy higher words if any, that is in A+B
+     * if A or B has more digits add those in
      */
     if (min != max) {
       for (; i < max; i++) {
@@ -499,29 +499,29 @@ static int mp_mul (mp_int * a, mp_int * b, mp_int * c)
 #ifdef BN_MP_TOOM_MUL_C
   if (MIN (a->used, b->used) >= TOOM_MUL_CUTOFF) {
     res = mp_toom_mul(a, b, c);
-  } else 
+  } else
 #endif
 #ifdef BN_MP_KARATSUBA_MUL_C
   /* use Karatsuba? */
   if (MIN (a->used, b->used) >= KARATSUBA_MUL_CUTOFF) {
     res = mp_karatsuba_mul (a, b, c);
-  } else 
+  } else
 #endif
   {
     /* can we use the fast multiplier?
      *
-     * The fast multiplier can be used if the output will 
-     * have less than MP_WARRAY digits and the number of 
+     * The fast multiplier can be used if the output will
+     * have less than MP_WARRAY digits and the number of
      * digits won't affect carry propagation
      */
 #ifdef BN_FAST_S_MP_MUL_DIGS_C
     int     digs = a->used + b->used + 1;
 
     if ((digs < MP_WARRAY) &&
-        MIN(a->used, b->used) <= 
+        MIN(a->used, b->used) <=
         (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
       res = fast_s_mp_mul_digs (a, b, c, digs);
-    } else 
+    } else
 #endif
 #ifdef BN_S_MP_MUL_DIGS_C
       res = s_mp_mul (a, b, c); /* uses s_mp_mul_digs */
@@ -629,7 +629,7 @@ static int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y)
      err = mp_exptmod(&tmpG, &tmpX, P, Y);
      mp_clear_multi(&tmpG, &tmpX, NULL);
      return err;
-#else 
+#else
 #error mp_exptmod would always fail
      /* no invmod */
      return MP_VAL;
@@ -658,7 +658,7 @@ static int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y)
      dr = mp_reduce_is_2k(P) << 1;
   }
 #endif
-    
+
   /* if the modulus is odd or dr != 0 use the montgomery method */
 #ifdef BN_MP_EXPTMOD_FAST_C
   if (mp_isodd (P) == 1 || dr !=  0) {
@@ -693,7 +693,7 @@ static int mp_cmp (mp_int * a, mp_int * b)
         return MP_GT;
      }
   }
-  
+
   /* compare digits */
   if (a->sign == MP_NEG) {
      /* if negative compare opposite direction */
@@ -779,7 +779,7 @@ static int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c)
   }
 
   /* init temps */
-  if ((res = mp_init_multi(&x, &y, &u, &v, 
+  if ((res = mp_init_multi(&x, &y, &u, &v,
                            &A, &B, &C, &D, NULL)) != MP_OKAY) {
      return res;
   }
@@ -906,14 +906,14 @@ top:
          goto LBL_ERR;
       }
   }
-  
+
   /* too big */
   while (mp_cmp_mag(&C, b) != MP_LT) {
       if ((res = mp_sub(&C, b, &C)) != MP_OKAY) {
          goto LBL_ERR;
       }
   }
-  
+
   /* C is now the inverse */
   mp_exch (&C, c);
   res = MP_OKAY;
@@ -933,7 +933,7 @@ static int mp_cmp_mag (mp_int * a, mp_int * b)
   if (a->used > b->used) {
     return MP_GT;
   }
-  
+
   if (a->used < b->used) {
     return MP_LT;
   }
@@ -1199,8 +1199,8 @@ static void mp_rshd (mp_int * a, int b)
     /* top [offset into digits] */
     top = a->dp + b;
 
-    /* this is implemented as a sliding window where 
-     * the window is b-digits long and digits from 
+    /* this is implemented as a sliding window where
+     * the window is b-digits long and digits from
      * the top of the window are copied to the bottom
      *
      * e.g.
@@ -1218,13 +1218,13 @@ static void mp_rshd (mp_int * a, int b)
       *bottom++ = 0;
     }
   }
-  
+
   /* remove excess digits */
   a->used -= b;
 }
 
 
-/* swap the elements of two integers, for cases where you can't simply swap the 
+/* swap the elements of two integers, for cases where you can't simply swap the
  * mp_int pointers around
  */
 static void mp_exch (mp_int * a, mp_int * b)
@@ -1237,7 +1237,7 @@ static void mp_exch (mp_int * a, mp_int * b)
 }
 
 
-/* trim unused digits 
+/* trim unused digits
  *
  * This is used to ensure that leading zero digits are
  * trimed and the leading "used" digit will be non-zero
@@ -1298,7 +1298,7 @@ static int mp_grow (mp_int * a, int size)
 
 
 #ifdef BN_MP_ABS_C
-/* b = |a| 
+/* b = |a|
  *
  * Simple function copies the input and fixes the sign to positive
  */
@@ -1434,7 +1434,7 @@ static int mp_mul_2d (mp_int * a, int b, mp_int * c)
       /* set the carry to the carry bits of the current word */
       r = rr;
     }
-    
+
     /* set final carry */
     if (r != 0) {
        c->dp[(c->used)++] = r;
@@ -1446,7 +1446,7 @@ static int mp_mul_2d (mp_int * a, int b, mp_int * c)
 
 
 #ifdef BN_MP_INIT_MULTI_C
-static int mp_init_multi(mp_int *mp, ...) 
+static int mp_init_multi(mp_int *mp, ...)
 {
     mp_err res = MP_OKAY;      /* Assume ok until proven otherwise */
     int n = 0;                 /* Number of ok inits */
@@ -1460,11 +1460,11 @@ static int mp_init_multi(mp_int *mp, ...)
                succeeded in init-ing, then return error.
             */
             va_list clean_args;
-            
+
             /* end the current list */
             va_end(args);
-            
-            /* now start cleaning up */            
+
+            /* now start cleaning up */
             cur_arg = mp;
             va_start(clean_args, mp);
             while (n--) {
@@ -1484,7 +1484,7 @@ static int mp_init_multi(mp_int *mp, ...)
 
 
 #ifdef BN_MP_CLEAR_MULTI_C
-static void mp_clear_multi(mp_int *mp, ...) 
+static void mp_clear_multi(mp_int *mp, ...)
 {
     mp_int* next_mp = mp;
     va_list args;
@@ -1558,7 +1558,7 @@ static int mp_count_bits (mp_int * a)
 
   /* get number of digits and add that */
   r = (a->used - 1) * DIGIT_BIT;
-  
+
   /* take the last digit and count the bits in it */
   q = a->dp[a->used - 1];
   while (q > ((mp_digit) 0)) {
@@ -1628,7 +1628,7 @@ static int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d)
     }
     return res;
   }
-	
+
   /* init our temps */
   if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL)) != MP_OKAY) {
      return res;
@@ -1638,7 +1638,7 @@ static int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d)
   mp_set(&tq, 1);
   n = mp_count_bits(a) - mp_count_bits(b);
   if (((res = mp_abs(a, &ta)) != MP_OKAY) ||
-      ((res = mp_abs(b, &tb)) != MP_OKAY) || 
+      ((res = mp_abs(b, &tb)) != MP_OKAY) ||
       ((res = mp_mul_2d(&tb, n, &tb)) != MP_OKAY) ||
       ((res = mp_mul_2d(&tq, n, &tq)) != MP_OKAY)) {
       goto LBL_ERR;
@@ -1675,17 +1675,17 @@ LBL_ERR:
 
 #else
 
-/* integer signed division. 
+/* integer signed division.
  * c*b + d == a [e.g. a/b, c=quotient, d=remainder]
  * HAC pp.598 Algorithm 14.20
  *
- * Note that the description in HAC is horribly 
- * incomplete.  For example, it doesn't consider 
- * the case where digits are removed from 'x' in 
- * the inner loop.  It also doesn't consider the 
+ * Note that the description in HAC is horribly
+ * incomplete.  For example, it doesn't consider
+ * the case where digits are removed from 'x' in
+ * the inner loop.  It also doesn't consider the
  * case that y has fewer than three digits, etc..
  *
- * The overall algorithm is as described as 
+ * The overall algorithm is as described as
  * 14.20 from HAC but fixed to treat these cases.
 */
 static int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
@@ -1775,7 +1775,7 @@ static int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
       continue;
     }
 
-    /* step 3.1 if xi == yt then set q{i-t-1} to b-1, 
+    /* step 3.1 if xi == yt then set q{i-t-1} to b-1,
      * otherwise set q{i-t-1} to (xi*b + x{i-1})/yt */
     if (x.dp[i] == y.dp[t]) {
       q.dp[i - t - 1] = ((((mp_digit)1) << DIGIT_BIT) - 1);
@@ -1789,10 +1789,10 @@ static int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
       q.dp[i - t - 1] = (mp_digit) (tmp & (mp_word) (MP_MASK));
     }
 
-    /* while (q{i-t-1} * (yt * b + y{t-1})) > 
-             xi * b**2 + xi-1 * b + xi-2 
-     
-       do q{i-t-1} -= 1; 
+    /* while (q{i-t-1} * (yt * b + y{t-1})) >
+             xi * b**2 + xi-1 * b + xi-2
+
+       do q{i-t-1} -= 1;
     */
     q.dp[i - t - 1] = (q.dp[i - t - 1] + 1) & MP_MASK;
     do {
@@ -1843,10 +1843,10 @@ static int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
     }
   }
 
-  /* now q is the quotient and x is the remainder 
-   * [which we have to normalize] 
+  /* now q is the quotient and x is the remainder
+   * [which we have to normalize]
    */
-  
+
   /* get sign before writing to c */
   x.sign = x.used == 0 ? MP_ZPOS : a->sign;
 
@@ -1914,7 +1914,7 @@ static int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int red
   /* init M array */
   /* init first cell */
   if ((err = mp_init(&M[1])) != MP_OKAY) {
-     return err; 
+     return err;
   }
 
   /* now init the second half of the array */
@@ -1932,7 +1932,7 @@ static int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int red
   if ((err = mp_init (&mu)) != MP_OKAY) {
     goto LBL_M;
   }
-  
+
   if (redmode == 0) {
      if ((err = mp_reduce_setup (&mu, P)) != MP_OKAY) {
         goto LBL_MU;
@@ -1943,22 +1943,22 @@ static int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int red
         goto LBL_MU;
      }
      redux = mp_reduce_2k_l;
-  }    
+  }
 
   /* create M table
    *
-   * The M table contains powers of the base, 
+   * The M table contains powers of the base,
    * e.g. M[x] = G**x mod P
    *
-   * The first half of the table is not 
+   * The first half of the table is not
    * computed though accept for M[0] and M[1]
    */
   if ((err = mp_mod (G, P, &M[1])) != MP_OKAY) {
     goto LBL_MU;
   }
 
-  /* compute the value at M[1<<(winsize-1)] by squaring 
-   * M[1] (winsize-1) times 
+  /* compute the value at M[1<<(winsize-1)] by squaring
+   * M[1] (winsize-1) times
    */
   if ((err = mp_copy (&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) {
     goto LBL_MU;
@@ -1966,7 +1966,7 @@ static int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int red
 
   for (x = 0; x < (winsize - 1); x++) {
     /* square it */
-    if ((err = mp_sqr (&M[1 << (winsize - 1)], 
+    if ((err = mp_sqr (&M[1 << (winsize - 1)],
                        &M[1 << (winsize - 1)])) != MP_OKAY) {
       goto LBL_MU;
     }
@@ -2117,18 +2117,18 @@ static int mp_sqr (mp_int * a, mp_int * b)
   if (a->used >= TOOM_SQR_CUTOFF) {
     res = mp_toom_sqr(a, b);
   /* Karatsuba? */
-  } else 
+  } else
 #endif
 #ifdef BN_MP_KARATSUBA_SQR_C
 if (a->used >= KARATSUBA_SQR_CUTOFF) {
     res = mp_karatsuba_sqr (a, b);
-  } else 
+  } else
 #endif
   {
 #ifdef BN_FAST_S_MP_SQR_C
     /* can we use the fast comba multiplier? */
-    if ((a->used * 2 + 1) < MP_WARRAY && 
-         a->used < 
+    if ((a->used * 2 + 1) < MP_WARRAY &&
+         a->used <
          (1 << (sizeof(mp_word) * CHAR_BIT - 2*DIGIT_BIT - 1))) {
       res = fast_s_mp_sqr (a, b);
     } else
@@ -2145,7 +2145,7 @@ if (a->used >= KARATSUBA_SQR_CUTOFF) {
 }
 
 
-/* reduces a modulo n where n is of the form 2**p - d 
+/* reduces a modulo n where n is of the form 2**p - d
    This differs from reduce_2k since "d" can be larger
    than a single digit.
 */
@@ -2153,33 +2153,33 @@ static int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d)
 {
    mp_int q;
    int    p, res;
-   
+
    if ((res = mp_init(&q)) != MP_OKAY) {
       return res;
    }
-   
-   p = mp_count_bits(n);    
+
+   p = mp_count_bits(n);
 top:
    /* q = a/2**p, a = a mod 2**p */
    if ((res = mp_div_2d(a, p, &q, a)) != MP_OKAY) {
       goto ERR;
    }
-   
+
    /* q = q * d */
-   if ((res = mp_mul(&q, d, &q)) != MP_OKAY) { 
+   if ((res = mp_mul(&q, d, &q)) != MP_OKAY) {
       goto ERR;
    }
-   
+
    /* a = a + q */
    if ((res = s_mp_add(a, &q, a)) != MP_OKAY) {
       goto ERR;
    }
-   
+
    if (mp_cmp_mag(a, n) != MP_LT) {
       s_mp_sub(a, n, a);
       goto top;
    }
-   
+
 ERR:
    mp_clear(&q);
    return res;
@@ -2191,26 +2191,26 @@ static int mp_reduce_2k_setup_l(mp_int *a, mp_int *d)
 {
    int    res;
    mp_int tmp;
-   
+
    if ((res = mp_init(&tmp)) != MP_OKAY) {
       return res;
    }
-   
+
    if ((res = mp_2expt(&tmp, mp_count_bits(a))) != MP_OKAY) {
       goto ERR;
    }
-   
+
    if ((res = s_mp_sub(&tmp, a, d)) != MP_OKAY) {
       goto ERR;
    }
-   
+
 ERR:
    mp_clear(&tmp);
    return res;
 }
 
 
-/* computes a = 2**b 
+/* computes a = 2**b
  *
  * Simple algorithm which zeroes the int, grows it then just sets one bit
  * as required.
@@ -2243,7 +2243,7 @@ static int mp_2expt (mp_int * a, int b)
 static int mp_reduce_setup (mp_int * a, mp_int * b)
 {
   int     res;
-  
+
   if ((res = mp_2expt (a, b->used * 2 * DIGIT_BIT)) != MP_OKAY) {
     return res;
   }
@@ -2251,7 +2251,7 @@ static int mp_reduce_setup (mp_int * a, mp_int * b)
 }
 
 
-/* reduces x mod m, assumes 0 < x < m**2, mu is 
+/* reduces x mod m, assumes 0 < x < m**2, mu is
  * precomputed via mp_reduce_setup.
  * From HAC pp.604 Algorithm 14.42
  */
@@ -2266,7 +2266,7 @@ static int mp_reduce (mp_int * x, mp_int * m, mp_int * mu)
   }
 
   /* q1 = x / b**(k-1)  */
-  mp_rshd (&q, um - 1);         
+  mp_rshd (&q, um - 1);
 
   /* according to HAC this optimization is ok */
   if (((unsigned long) um) > (((mp_digit)1) << (DIGIT_BIT - 1))) {
@@ -2282,8 +2282,8 @@ static int mp_reduce (mp_int * x, mp_int * m, mp_int * mu)
     if ((res = fast_s_mp_mul_high_digs (&q, mu, &q, um)) != MP_OKAY) {
       goto CLEANUP;
     }
-#else 
-    { 
+#else
+    {
 #error mp_reduce would always fail
       res = MP_VAL;
       goto CLEANUP;
@@ -2292,7 +2292,7 @@ static int mp_reduce (mp_int * x, mp_int * m, mp_int * mu)
   }
 
   /* q3 = q2 / b**(k+1) */
-  mp_rshd (&q, um + 1);         
+  mp_rshd (&q, um + 1);
 
   /* x = x mod b**(k+1), quick (no division) */
   if ((res = mp_mod_2d (x, DIGIT_BIT * (um + 1), x)) != MP_OKAY) {
@@ -2326,7 +2326,7 @@ static int mp_reduce (mp_int * x, mp_int * m, mp_int * mu)
       goto CLEANUP;
     }
   }
-  
+
 CLEANUP:
   mp_clear (&q);
 
@@ -2335,7 +2335,7 @@ CLEANUP:
 
 
 /* multiplies |a| * |b| and only computes up to digs digits of result
- * HAC pp. 595, Algorithm 14.12  Modified so you can control how 
+ * HAC pp. 595, Algorithm 14.12  Modified so you can control how
  * many digits of output are created.
  */
 static int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
@@ -2349,7 +2349,7 @@ static int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
 #ifdef BN_FAST_S_MP_MUL_DIGS_C
   /* can we use the fast multiplier? */
   if (((digs) < MP_WARRAY) &&
-      MIN (a->used, b->used) < 
+      MIN (a->used, b->used) <
           (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
     return fast_s_mp_mul_digs (a, b, c, digs);
   }
@@ -2372,10 +2372,10 @@ static int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
     /* setup some aliases */
     /* copy of the digit from a used within the nested loop */
     tmpx = a->dp[ix];
-    
+
     /* an alias for the destination shifted ix places */
     tmpt = t.dp + ix;
-    
+
     /* an alias for the digits of b */
     tmpy = b->dp;
 
@@ -2409,15 +2409,15 @@ static int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
 #ifdef BN_FAST_S_MP_MUL_DIGS_C
 /* Fast (comba) multiplier
  *
- * This is the fast column-array [comba] multiplier.  It is 
- * designed to compute the columns of the product first 
- * then handle the carries afterwards.  This has the effect 
+ * This is the fast column-array [comba] multiplier.  It is
+ * designed to compute the columns of the product first
+ * then handle the carries afterwards.  This has the effect
  * of making the nested loops that compute the columns very
  * simple and schedulable on super-scalar processors.
  *
- * This has been modified to produce a variable number of 
- * digits of output so if say only a half-product is required 
- * you don't have to compute the upper half (a feature 
+ * This has been modified to produce a variable number of
+ * digits of output so if say only a half-product is required
+ * you don't have to compute the upper half (a feature
  * required for fast Barrett reduction).
  *
  * Based on Algorithm 14.12 on pp.595 of HAC.
@@ -2441,7 +2441,7 @@ static int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
 
   /* clear the carry */
   _W = 0;
-  for (ix = 0; ix < pa; ix++) { 
+  for (ix = 0; ix < pa; ix++) {
       int      tx, ty;
       int      iy;
       mp_digit *tmpx, *tmpy;
@@ -2454,7 +2454,7 @@ static int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
       tmpx = a->dp + tx;
       tmpy = b->dp + ty;
 
-      /* this is the number of times the loop will iterrate, essentially 
+      /* this is the number of times the loop will iterrate, essentially
          while (tx++ < a->used && ty-- >= 0) { ... }
        */
       iy = MIN(a->used-tx, ty+1);
@@ -2501,8 +2501,8 @@ static int mp_init_size (mp_int * a, int size)
   int x;
 
   /* pad size so there are always extra digits */
-  size += (MP_PREC * 2) - (size % MP_PREC);	
-  
+  size += (MP_PREC * 2) - (size % MP_PREC);
+
   /* alloc mem */
   a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * size);
   if (a->dp == NULL) {
@@ -2556,7 +2556,7 @@ static int s_mp_sqr (mp_int * a, mp_int * b)
 
     /* alias for where to store the results */
     tmpt        = t.dp + (2*ix + 1);
-    
+
     for (iy = ix + 1; iy < pa; iy++) {
       /* first calculate the product */
       r       = ((mp_word)tmpx) * ((mp_word)a->dp[iy]);
@@ -2863,24 +2863,24 @@ static int mp_mul_2(mp_int * a, mp_int * b)
 
     /* alias for source */
     tmpa = a->dp;
-    
+
     /* alias for dest */
     tmpb = b->dp;
 
     /* carry */
     r = 0;
     for (x = 0; x < a->used; x++) {
-    
-      /* get what will be the *next* carry bit from the 
-       * MSB of the current digit 
+
+      /* get what will be the *next* carry bit from the
+       * MSB of the current digit
        */
       rr = *tmpa >> ((mp_digit)(DIGIT_BIT - 1));
-      
+
       /* now shift up this digit, add in the carry [from the previous] */
       *tmpb++ = ((*tmpa++ << ((mp_digit)1)) | r) & MP_MASK;
-      
-      /* copy the carry that would be from the source 
-       * digit into the next iteration 
+
+      /* copy the carry that would be from the source
+       * digit into the next iteration
        */
       r = rr;
     }
@@ -2892,8 +2892,8 @@ static int mp_mul_2(mp_int * a, mp_int * b)
       ++(b->used);
     }
 
-    /* now zero any excess digits on the destination 
-     * that we didn't write to 
+    /* now zero any excess digits on the destination
+     * that we didn't write to
      */
     tmpb = b->dp + b->used;
     for (x = b->used; x < oldused; x++) {
@@ -3011,7 +3011,7 @@ static int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int
 
   /* determine and setup reduction code */
   if (redmode == 0) {
-#ifdef BN_MP_MONTGOMERY_SETUP_C     
+#ifdef BN_MP_MONTGOMERY_SETUP_C
      /* now setup montgomery  */
      if ((err = mp_montgomery_setup (P, &mp)) != MP_OKAY) {
         goto LBL_M;
@@ -3026,7 +3026,7 @@ static int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int
      if (((P->used * 2 + 1) < MP_WARRAY) &&
           P->used < (1 << ((CHAR_BIT * sizeof (mp_word)) - (2 * DIGIT_BIT)))) {
         redux = fast_mp_montgomery_reduce;
-     } else 
+     } else
 #endif
      {
 #ifdef BN_MP_MONTGOMERY_REDUCE_C
@@ -3077,7 +3077,7 @@ static int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int
      if ((err = mp_montgomery_calc_normalization (&res, P)) != MP_OKAY) {
        goto LBL_RES;
      }
-#else 
+#else
      err = MP_VAL;
      goto LBL_RES;
 #endif
@@ -3245,10 +3245,10 @@ LBL_M:
 
 #ifdef BN_FAST_S_MP_SQR_C
 /* the jist of squaring...
- * you do like mult except the offset of the tmpx [one that 
- * starts closer to zero] can't equal the offset of tmpy.  
+ * you do like mult except the offset of the tmpx [one that
+ * starts closer to zero] can't equal the offset of tmpy.
  * So basically you set up iy like before then you min it with
- * (ty-tx) so that it never happens.  You double all those 
+ * (ty-tx) so that it never happens.  You double all those
  * you add in the inner loop
 
 After that loop you do the squares and add them in.
@@ -3270,7 +3270,7 @@ static int fast_s_mp_sqr (mp_int * a, mp_int * b)
 
   /* number of output digits to produce */
   W1 = 0;
-  for (ix = 0; ix < pa; ix++) { 
+  for (ix = 0; ix < pa; ix++) {
       int      tx, ty, iy;
       mp_word  _W;
       mp_digit *tmpy;
@@ -3291,7 +3291,7 @@ static int fast_s_mp_sqr (mp_int * a, mp_int * b)
        */
       iy = MIN(a->used-tx, ty+1);
 
-      /* now for squaring tx can never equal ty 
+      /* now for squaring tx can never equal ty
        * we halve the distance since they approach at a rate of 2x
        * and we have to round because odd cases need to be executed
        */
diff --git a/src/tls/rsa.c b/src/tls/rsa.c
index 0b7b530bc..3525eb991 100644
--- a/src/tls/rsa.c
+++ b/src/tls/rsa.c
@@ -80,7 +80,7 @@ crypto_rsa_import_public_key(const u8 *buf, size_t len)
 	 * PKCS #1, 7.1:
 	 * RSAPublicKey ::= SEQUENCE {
 	 *     modulus INTEGER, -- n
-	 *     publicExponent INTEGER -- e 
+	 *     publicExponent INTEGER -- e
 	 * }
 	 */
 
diff --git a/src/tls/tlsv1_client.c b/src/tls/tlsv1_client.c
index 9bc0d211f..76e19746b 100644
--- a/src/tls/tlsv1_client.c
+++ b/src/tls/tlsv1_client.c
@@ -264,7 +264,7 @@ failed:
  * @in_data: Pointer to plaintext data to be encrypted
  * @in_len: Input buffer length
  * @out_data: Pointer to output buffer (encrypted TLS data)
- * @out_len: Maximum out_data length 
+ * @out_len: Maximum out_data length
  * Returns: Number of bytes written to out_data, -1 on failure
  *
  * This function is used after TLS handshake has been completed successfully to
diff --git a/src/tls/tlsv1_common.c b/src/tls/tlsv1_common.c
index 67b55dbe8..e178915a4 100644
--- a/src/tls/tlsv1_common.c
+++ b/src/tls/tlsv1_common.c
@@ -21,7 +21,7 @@
  * RFC 2246 Section 9: Mandatory to implement TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
  * Add support for commonly used cipher suites; don't bother with exportable
  * suites.
- */ 
+ */
 
 static const struct tls_cipher_suite tls_cipher_suites[] = {
 	{ TLS_NULL_WITH_NULL_NULL, TLS_KEY_X_NULL, TLS_CIPHER_NULL,
diff --git a/src/tls/tlsv1_server.c b/src/tls/tlsv1_server.c
index ba47337bc..540696904 100644
--- a/src/tls/tlsv1_server.c
+++ b/src/tls/tlsv1_server.c
@@ -216,7 +216,7 @@ failed:
  * @in_data: Pointer to plaintext data to be encrypted
  * @in_len: Input buffer length
  * @out_data: Pointer to output buffer (encrypted TLS data)
- * @out_len: Maximum out_data length 
+ * @out_len: Maximum out_data length
  * Returns: Number of bytes written to out_data, -1 on failure
  *
  * This function is used after TLS handshake has been completed successfully to
diff --git a/src/tls/x509v3.c b/src/tls/x509v3.c
index 75f222c4f..0d6ee67ab 100644
--- a/src/tls/x509v3.c
+++ b/src/tls/x509v3.c
@@ -2039,7 +2039,7 @@ int x509_certificate_chain_validate(struct x509_certificate *trusted,
 
 	for (cert = chain, idx = 0; cert; cert = cert->next, idx++) {
 		cert->issuer_trusted = 0;
-		x509_name_string(&cert->subject, buf, sizeof(buf)); 
+		x509_name_string(&cert->subject, buf, sizeof(buf));
 		wpa_printf(MSG_DEBUG, "X509: %lu: %s", idx, buf);
 
 		if (chain_trusted)
@@ -2063,11 +2063,11 @@ int x509_certificate_chain_validate(struct x509_certificate *trusted,
 				wpa_printf(MSG_DEBUG, "X509: Certificate "
 					   "chain issuer name mismatch");
 				x509_name_string(&cert->issuer, buf,
-						 sizeof(buf)); 
+						 sizeof(buf));
 				wpa_printf(MSG_DEBUG, "X509: cert issuer: %s",
 					   buf);
 				x509_name_string(&cert->next->subject, buf,
-						 sizeof(buf)); 
+						 sizeof(buf));
 				wpa_printf(MSG_DEBUG, "X509: next cert "
 					   "subject: %s", buf);
 				*reason = X509_VALIDATE_CERTIFICATE_UNKNOWN;
diff --git a/wlantest/inject.c b/wlantest/inject.c
index ed250332a..54a055433 100644
--- a/wlantest/inject.c
+++ b/wlantest/inject.c
@@ -243,7 +243,7 @@ static int wlantest_inject_prot(struct wlantest *wt, struct wlantest_bss *bss,
 	inc_byte_array(pn, 6);
 
 	os_memset(dummy, 0x11, sizeof(dummy));
-	if (tk) 
+	if (tk)
 		crypt = ccmp_encrypt(incorrect_key ? dummy : tk,
 				     frame, len, hdrlen, qos, pn, 0,
 				     &crypt_len);