Merge branch 'upstream' into debian
[mech_eap.git] / libeap / wlantest / gcmp.c
diff --git a/libeap/wlantest/gcmp.c b/libeap/wlantest/gcmp.c
deleted file mode 100644 (file)
index d92f4ed..0000000
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * GCM with GMAC Protocol (GCMP)
- * Copyright (c) 2012, Jouni Malinen <j@w1.fi>
- *
- * This software may be distributed under the terms of the BSD license.
- * See README for more details.
- */
-
-#include "utils/includes.h"
-
-#include "utils/common.h"
-#include "common/ieee802_11_defs.h"
-#include "crypto/aes.h"
-#include "crypto/aes_wrap.h"
-#include "wlantest.h"
-
-
-static void gcmp_aad_nonce(const struct ieee80211_hdr *hdr, const u8 *data,
-                          u8 *aad, size_t *aad_len, u8 *nonce)
-{
-       u16 fc, stype, seq;
-       int qos = 0, addr4 = 0;
-       u8 *pos;
-
-       fc = le_to_host16(hdr->frame_control);
-       stype = WLAN_FC_GET_STYPE(fc);
-       if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
-           (WLAN_FC_TODS | WLAN_FC_FROMDS))
-               addr4 = 1;
-
-       if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA) {
-               fc &= ~0x0070; /* Mask subtype bits */
-               if (stype & 0x08) {
-                       const u8 *qc;
-                       qos = 1;
-                       fc &= ~WLAN_FC_ORDER;
-                       qc = (const u8 *) (hdr + 1);
-                       if (addr4)
-                               qc += ETH_ALEN;
-               }
-       }
-
-       fc &= ~(WLAN_FC_RETRY | WLAN_FC_PWRMGT | WLAN_FC_MOREDATA);
-       WPA_PUT_LE16(aad, fc);
-       pos = aad + 2;
-       os_memcpy(pos, hdr->addr1, 3 * ETH_ALEN);
-       pos += 3 * ETH_ALEN;
-       seq = le_to_host16(hdr->seq_ctrl);
-       seq &= ~0xfff0; /* Mask Seq#; do not modify Frag# */
-       WPA_PUT_LE16(pos, seq);
-       pos += 2;
-
-       os_memcpy(pos, hdr + 1, addr4 * ETH_ALEN + qos * 2);
-       pos += addr4 * ETH_ALEN;
-       if (qos) {
-               pos[0] &= ~0x70;
-               if (1 /* FIX: either device has SPP A-MSDU Capab = 0 */)
-                       pos[0] &= ~0x80;
-               pos++;
-               *pos++ = 0x00;
-       }
-
-       *aad_len = pos - aad;
-
-       os_memcpy(nonce, hdr->addr2, ETH_ALEN);
-       nonce[6] = data[7]; /* PN5 */
-       nonce[7] = data[6]; /* PN4 */
-       nonce[8] = data[5]; /* PN3 */
-       nonce[9] = data[4]; /* PN2 */
-       nonce[10] = data[1]; /* PN1 */
-       nonce[11] = data[0]; /* PN0 */
-}
-
-
-u8 * gcmp_decrypt(const u8 *tk, size_t tk_len, const struct ieee80211_hdr *hdr,
-                 const u8 *data, size_t data_len, size_t *decrypted_len)
-{
-       u8 aad[30], nonce[12], *plain;
-       size_t aad_len, mlen;
-       const u8 *m;
-
-       if (data_len < 8 + 16)
-               return NULL;
-
-       plain = os_malloc(data_len + AES_BLOCK_SIZE);
-       if (plain == NULL)
-               return NULL;
-
-       m = data + 8;
-       mlen = data_len - 8 - 16;
-
-       os_memset(aad, 0, sizeof(aad));
-       gcmp_aad_nonce(hdr, data, aad, &aad_len, nonce);
-       wpa_hexdump(MSG_EXCESSIVE, "GCMP AAD", aad, aad_len);
-       wpa_hexdump(MSG_EXCESSIVE, "GCMP nonce", nonce, sizeof(nonce));
-
-       if (aes_gcm_ad(tk, tk_len, nonce, sizeof(nonce), m, mlen, aad, aad_len,
-                      m + mlen, plain) < 0) {
-               u16 seq_ctrl = le_to_host16(hdr->seq_ctrl);
-               wpa_printf(MSG_INFO, "Invalid GCMP frame: A1=" MACSTR
-                          " A2=" MACSTR " A3=" MACSTR " seq=%u frag=%u",
-                          MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
-                          MAC2STR(hdr->addr3),
-                          WLAN_GET_SEQ_SEQ(seq_ctrl),
-                          WLAN_GET_SEQ_FRAG(seq_ctrl));
-               os_free(plain);
-               return NULL;
-       }
-
-       *decrypted_len = mlen;
-       return plain;
-}
-
-
-u8 * gcmp_encrypt(const u8 *tk, size_t tk_len, const u8 *frame, size_t len,
-                 size_t hdrlen, const u8 *qos,
-                 const u8 *pn, int keyid, size_t *encrypted_len)
-{
-       u8 aad[30], nonce[12], *crypt, *pos;
-       size_t aad_len, plen;
-       struct ieee80211_hdr *hdr;
-
-       if (len < hdrlen || hdrlen < 24)
-               return NULL;
-       plen = len - hdrlen;
-
-       crypt = os_malloc(hdrlen + 8 + plen + 16 + AES_BLOCK_SIZE);
-       if (crypt == NULL)
-               return NULL;
-
-       os_memcpy(crypt, frame, hdrlen);
-       hdr = (struct ieee80211_hdr *) crypt;
-       pos = crypt + hdrlen;
-       *pos++ = pn[5]; /* PN0 */
-       *pos++ = pn[4]; /* PN1 */
-       *pos++ = 0x00; /* Rsvd */
-       *pos++ = 0x20 | (keyid << 6);
-       *pos++ = pn[3]; /* PN2 */
-       *pos++ = pn[2]; /* PN3 */
-       *pos++ = pn[1]; /* PN4 */
-       *pos++ = pn[0]; /* PN5 */
-
-       os_memset(aad, 0, sizeof(aad));
-       gcmp_aad_nonce(hdr, crypt + hdrlen, aad, &aad_len, nonce);
-       wpa_hexdump(MSG_EXCESSIVE, "GCMP AAD", aad, aad_len);
-       wpa_hexdump(MSG_EXCESSIVE, "GCMP nonce", nonce, sizeof(nonce));
-
-       if (aes_gcm_ae(tk, tk_len, nonce, sizeof(nonce), frame + hdrlen, plen,
-                      aad, aad_len, pos, pos + plen) < 0) {
-               os_free(crypt);
-               return NULL;
-       }
-
-       wpa_hexdump(MSG_EXCESSIVE, "GCMP MIC", pos + plen, 16);
-       wpa_hexdump(MSG_EXCESSIVE, "GCMP encrypted", pos, plen);
-
-       *encrypted_len = hdrlen + 8 + plen + 16;
-
-       return crypt;
-}