mirror of
https://github.com/vanhoefm/fragattacks.git
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IEEE P802.11ah/D10.0 PV1 CCMP test vectors
Extend wlantest test_vectors to calculate test vectors for P802.11ah Annex J.6.4. Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
7137c7daee
commit
0df12cbddc
100
wlantest/ccmp.c
100
wlantest/ccmp.c
@ -77,6 +77,64 @@ static void ccmp_aad_nonce(const struct ieee80211_hdr *hdr, const u8 *data,
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}
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}
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static void ccmp_aad_nonce_pv1(const u8 *hdr, const u8 *a1, const u8 *a2,
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const u8 *a3, const u8 *pn,
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u8 *aad, size_t *aad_len, u8 *nonce)
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{
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u16 fc, type;
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u8 *pos;
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nonce[0] = BIT(5); /* PV1 */
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/* TODO: Priority for QMF; 0 is used for Data frames */
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fc = WPA_GET_LE16(hdr);
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type = (fc & (BIT(2) | BIT(3) | BIT(4))) >> 2;
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if (type == 1)
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nonce[0] |= 0x10; /* Management */
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fc &= ~(BIT(10) | BIT(11) | BIT(13) | BIT(14) | BIT(15));
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fc |= BIT(12);
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WPA_PUT_LE16(aad, fc);
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pos = aad + 2;
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if (type == 0 || type == 3) {
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const u8 *sc;
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os_memcpy(pos, a1, ETH_ALEN);
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pos += ETH_ALEN;
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os_memcpy(pos, a2, ETH_ALEN);
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pos += ETH_ALEN;
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if (type == 0) {
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/* Either A1 or A2 contains SID */
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sc = hdr + 2 + 2 + ETH_ALEN;
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} else {
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/* Both A1 and A2 contain full addresses */
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sc = hdr + 2 + 2 * ETH_ALEN;
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}
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/* SC with Sequence Number subfield (bits 4-15 of the Sequence
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* Control field) masked to 0. */
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*pos++ = *sc & 0x0f;
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*pos++ = 0;
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if (a3) {
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os_memcpy(pos, a3, ETH_ALEN);
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pos += ETH_ALEN;
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}
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}
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*aad_len = pos - aad;
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os_memcpy(nonce + 1, a2, ETH_ALEN);
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nonce[7] = pn[5]; /* PN5 */
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nonce[8] = pn[4]; /* PN4 */
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nonce[9] = pn[3]; /* PN3 */
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nonce[10] = pn[2]; /* PN2 */
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nonce[11] = pn[1]; /* PN1 */
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nonce[12] = pn[0]; /* PN0 */
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}
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u8 * ccmp_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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u8 * ccmp_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len)
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const u8 *data, size_t data_len, size_t *decrypted_len)
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{
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{
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@ -177,6 +235,48 @@ u8 * ccmp_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
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}
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}
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u8 * ccmp_encrypt_pv1(const u8 *tk, const u8 *a1, const u8 *a2, const u8 *a3,
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const u8 *frame, size_t len,
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size_t hdrlen, const u8 *pn, int keyid,
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size_t *encrypted_len)
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{
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u8 aad[24], nonce[13];
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size_t aad_len, plen;
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u8 *crypt, *pos;
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struct ieee80211_hdr *hdr;
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if (len < hdrlen || hdrlen < 12)
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return NULL;
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plen = len - hdrlen;
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crypt = os_malloc(hdrlen + plen + 8 + AES_BLOCK_SIZE);
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if (crypt == NULL)
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return NULL;
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os_memcpy(crypt, frame, hdrlen);
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hdr = (struct ieee80211_hdr *) crypt;
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hdr->frame_control |= host_to_le16(BIT(12)); /* Protected Frame */
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pos = crypt + hdrlen;
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os_memset(aad, 0, sizeof(aad));
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ccmp_aad_nonce_pv1(crypt, a1, a2, a3, pn, aad, &aad_len, nonce);
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wpa_hexdump(MSG_EXCESSIVE, "CCMP AAD", aad, aad_len);
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wpa_hexdump(MSG_EXCESSIVE, "CCMP nonce", nonce, sizeof(nonce));
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if (aes_ccm_ae(tk, 16, nonce, 8, frame + hdrlen, plen, aad, aad_len,
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pos, pos + plen) < 0) {
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os_free(crypt);
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return NULL;
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}
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wpa_hexdump(MSG_EXCESSIVE, "CCMP encrypted", crypt + hdrlen, plen);
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*encrypted_len = hdrlen + plen + 8;
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return crypt;
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}
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u8 * ccmp_256_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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u8 * ccmp_256_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len)
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const u8 *data, size_t data_len, size_t *decrypted_len)
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{
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{
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@ -10,6 +10,7 @@
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#include "utils/common.h"
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#include "utils/common.h"
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#include "utils/eloop.h"
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#include "utils/eloop.h"
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#include "common/ieee802_11_defs.h"
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#include "wlantest.h"
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#include "wlantest.h"
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@ -136,6 +137,212 @@ static void test_vector_ccmp(void)
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}
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}
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static void test_vector_ccmp_pv1(void)
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{
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u8 tk[] = { 0xc9, 0x7c, 0x1f, 0x67, 0xce, 0x37, 0x11, 0x85,
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0x51, 0x4a, 0x8a, 0x19, 0xf2, 0xbd, 0xd5, 0x2f };
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u8 pn[8];
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u8 frame1[] = {
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0x61, 0x00, 0xa2, 0xae, 0xa5, 0xb8, 0xfc, 0xba,
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0x07, 0x00, 0x80, 0x33,
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0xf8, 0xba, 0x1a, 0x55, 0xd0, 0x2f, 0x85, 0xae,
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0x96, 0x7b, 0xb6, 0x2f, 0xb6, 0xcd, 0xa8, 0xeb,
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0x7e, 0x78, 0xa0, 0x50
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};
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u8 frame2[] = {
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0x61, 0x00, 0xa2, 0xae, 0xa5, 0xb8, 0xfc, 0xba,
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0x07, 0x20, 0x80, 0x33, 0x02, 0xd2, 0xe1, 0x28,
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0xa5, 0x7c,
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0xf8, 0xba, 0x1a, 0x55, 0xd0, 0x2f, 0x85, 0xae,
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0x96, 0x7b, 0xb6, 0x2f, 0xb6, 0xcd, 0xa8, 0xeb,
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0x7e, 0x78, 0xa0, 0x50
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};
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u8 frame3[] = {
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0x6d, 0x00, 0xa2, 0xae, 0xa5, 0xb8, 0xfc, 0xba,
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0x52, 0x30, 0xf1, 0x84, 0x44, 0x08, 0x80, 0x33,
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0xf8, 0xba, 0x1a, 0x55, 0xd0, 0x2f, 0x85, 0xae,
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0x96, 0x7b, 0xb6, 0x2f, 0xb6, 0xcd, 0xa8, 0xeb,
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0x7e, 0x78, 0xa0, 0x50
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};
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u8 *enc;
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size_t enc_len;
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u8 fcs[4];
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u8 bssid[ETH_ALEN] = { 0xa2, 0xae, 0xa5, 0xb8, 0xfc, 0xba };
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u8 da[ETH_ALEN] = { 0x02, 0xd2, 0xe1, 0x28, 0xa5, 0x7c };
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u8 sa[ETH_ALEN] = { 0x52, 0x30, 0xf1, 0x84, 0x44, 0x08 };
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u16 aid = 7;
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u32 bpn = 123;
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u16 sc = 0x3380;
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int key_id = 0;
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u16 fc;
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int tid = 3;
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u16 sid;
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wpa_printf(MSG_INFO,
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"\nIEEE P802.11ah/D10.0, J.6.4 CCMP PV1 test vectors\n");
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wpa_printf(MSG_INFO, "BSSID: " MACSTR, MAC2STR(bssid));
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wpa_printf(MSG_INFO, "DA: " MACSTR, MAC2STR(da));
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wpa_printf(MSG_INFO, "SA: " MACSTR, MAC2STR(sa));
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wpa_printf(MSG_INFO, "Association ID: %u", aid);
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wpa_printf(MSG_INFO, "Base PN: %u (0x%08x)", bpn, bpn);
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wpa_printf(MSG_INFO, "SC = 0x%04x (FragNum=%u SeqNum=%u)",
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sc, WLAN_GET_SEQ_FRAG(sc), WLAN_GET_SEQ_SEQ(sc));
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wpa_printf(MSG_INFO, "TID = %u", tid);
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wpa_printf(MSG_INFO, "Key ID: %u", key_id);
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wpa_hexdump(MSG_INFO, "TK", tk, sizeof(tk));
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wpa_printf(MSG_INFO, "PN = SC||BPN");
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WPA_PUT_LE16(&pn[0], sc);
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WPA_PUT_LE32(&pn[2], bpn);
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wpa_hexdump(MSG_INFO, "PN (PN0..PN5)", pn, sizeof(pn));
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wpa_printf(MSG_INFO,
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"\nPV1 test vector #1:\nHeader compression used and A3 was previously stored at the receiver\n");
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fc = WPA_GET_LE16(frame1);
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wpa_printf(MSG_INFO,
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"FC=0x%04x (PV=%u Type=%u PTID/Subtype=%u From_DS=%u More_Fragments=%u Power_Management=%u More_Data=%u Protected_Frame=%u End_of_SP=%u Relayed_Frame=%u Ack_Policy=%u)",
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fc,
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fc & WLAN_FC_PVER,
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(fc & (BIT(2) | BIT(3) | BIT(4))) >> 2,
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(fc & (BIT(5) | BIT(6) | BIT(7))) >> 5,
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!!(fc & BIT(8)),
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!!(fc & BIT(9)),
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!!(fc & BIT(10)),
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!!(fc & BIT(11)),
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!!(fc & BIT(12)),
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!!(fc & BIT(13)),
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!!(fc & BIT(14)),
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!!(fc & BIT(15)));
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wpa_printf(MSG_INFO, "A1=" MACSTR, MAC2STR(&frame1[2]));
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sid = WPA_GET_LE16(&frame1[8]);
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wpa_printf(MSG_INFO,
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"A2=%02x %02x (SID: AID=%u A3_Present=%u A4_Present=%u A-MSDU=%u); corresponds to 52:30:f1:84:44:08 in uncompressed header",
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frame1[8], frame1[9],
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sid & ~(BIT(13) | BIT(14) | BIT(15)),
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!!(sid & BIT(13)),
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!!(sid & BIT(14)),
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!!(sid & BIT(15)));
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sc = WPA_GET_LE16(&frame1[10]);
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wpa_printf(MSG_INFO, "Sequence Control: %02x %02x (FN=%u SN=%u)",
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frame1[10], frame1[11],
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WLAN_GET_SEQ_FRAG(sc), WLAN_GET_SEQ_SEQ(sc));
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wpa_printf(MSG_INFO, "A3 not present; corresponds to 02:d2:e1:28:a5:7c in uncompressed header");
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wpa_printf(MSG_INFO, "A4 not present");
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wpa_hexdump(MSG_INFO, "Plaintext Frame Header", frame1, 12);
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wpa_hexdump(MSG_INFO, "Plaintext Frame Body",
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frame1 + 12, sizeof(frame1) - 12);
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enc = ccmp_encrypt_pv1(tk, &frame1[2], sa, da, frame1, sizeof(frame1),
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12, pn, key_id, &enc_len);
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if (enc == NULL) {
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wpa_printf(MSG_ERROR, "Failed to encrypt CCMP frame");
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return;
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}
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wpa_hexdump(MSG_INFO, "Encrypted Frame Header", enc, 12);
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wpa_hexdump(MSG_INFO, "Encrypted Frame Frame Body",
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enc + 12, enc_len - 12);
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WPA_PUT_LE32(fcs, crc32(enc, enc_len));
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wpa_hexdump(MSG_INFO, "Encrypted Frame FCS", fcs, sizeof(fcs));
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wpa_printf(MSG_INFO,
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"\nPV1 test vector #2:\nHeader compression used and A3 was not previously stored at the receiver\n");
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fc = WPA_GET_LE16(frame2);
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wpa_printf(MSG_INFO,
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"FC=0x%04x (PV=%u Type=%u PTID/Subtype=%u From_DS=%u More_Fragments=%u Power_Management=%u More_Data=%u Protected_Frame=%u End_of_SP=%u Relayed_Frame=%u Ack_Policy=%u)",
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fc,
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fc & WLAN_FC_PVER,
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(fc & (BIT(2) | BIT(3) | BIT(4))) >> 2,
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(fc & (BIT(5) | BIT(6) | BIT(7))) >> 5,
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!!(fc & BIT(8)),
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!!(fc & BIT(9)),
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!!(fc & BIT(10)),
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!!(fc & BIT(11)),
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!!(fc & BIT(12)),
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!!(fc & BIT(13)),
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!!(fc & BIT(14)),
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!!(fc & BIT(15)));
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wpa_printf(MSG_INFO, "A1=" MACSTR, MAC2STR(&frame2[2]));
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sid = WPA_GET_LE16(&frame2[8]);
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wpa_printf(MSG_INFO,
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"A2=%02x %02x (SID: AID=%u A3_Present=%u A4_Present=%u A-MSDU=%u); corresponds to 52:30:f1:84:44:08 in uncompressed header",
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frame2[8], frame2[9],
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sid & ~(BIT(13) | BIT(14) | BIT(15)),
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!!(sid & BIT(13)),
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!!(sid & BIT(14)),
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!!(sid & BIT(15)));
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sc = WPA_GET_LE16(&frame2[10]);
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wpa_printf(MSG_INFO, "Sequence Control: %02x %02x (FN=%u SN=%u)",
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frame2[10], frame2[11],
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WLAN_GET_SEQ_FRAG(sc), WLAN_GET_SEQ_SEQ(sc));
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wpa_printf(MSG_INFO, "A3=" MACSTR, MAC2STR(&frame2[12]));
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wpa_printf(MSG_INFO, "A4 not present");
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wpa_hexdump(MSG_INFO, "Plaintext Frame Header", frame2, 18);
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wpa_hexdump(MSG_INFO, "Plaintext Frame Body",
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frame2 + 18, sizeof(frame2) - 18);
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enc = ccmp_encrypt_pv1(tk, &frame2[2], sa, &frame2[12],
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frame2, sizeof(frame2), 18, pn, key_id,
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&enc_len);
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if (enc == NULL) {
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wpa_printf(MSG_ERROR, "Failed to encrypt CCMP frame");
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return;
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}
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wpa_hexdump(MSG_INFO, "Encrypted Frame Header", enc, 18);
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wpa_hexdump(MSG_INFO, "Encrypted Frame Frame Body",
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enc + 18, enc_len - 18);
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WPA_PUT_LE32(fcs, crc32(enc, enc_len));
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wpa_hexdump(MSG_INFO, "Encrypted Frame FCS", fcs, sizeof(fcs));
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wpa_printf(MSG_INFO,
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"\nPV1 test vector #3:\nType 3 frame from SA to DA(=BSSID) (i.e., no separate DA in this example)\n");
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fc = WPA_GET_LE16(frame3);
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wpa_printf(MSG_INFO,
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"FC=0x%04x (PV=%u Type=%u PTID/Subtype=%u From_DS=%u More_Fragments=%u Power_Management=%u More_Data=%u Protected_Frame=%u End_of_SP=%u Relayed_Frame=%u Ack_Policy=%u)",
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fc,
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fc & WLAN_FC_PVER,
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(fc & (BIT(2) | BIT(3) | BIT(4))) >> 2,
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(fc & (BIT(5) | BIT(6) | BIT(7))) >> 5,
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!!(fc & BIT(8)),
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!!(fc & BIT(9)),
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!!(fc & BIT(10)),
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!!(fc & BIT(11)),
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!!(fc & BIT(12)),
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!!(fc & BIT(13)),
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!!(fc & BIT(14)),
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!!(fc & BIT(15)));
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|
wpa_printf(MSG_INFO, "A1=" MACSTR, MAC2STR(&frame3[2]));
|
||||||
|
wpa_printf(MSG_INFO, "A2=" MACSTR, MAC2STR(&frame3[8]));
|
||||||
|
sc = WPA_GET_LE16(&frame3[14]);
|
||||||
|
wpa_printf(MSG_INFO, "Sequence Control: %02x %02x (FN=%u SN=%u)",
|
||||||
|
frame3[14], frame3[15],
|
||||||
|
WLAN_GET_SEQ_FRAG(sc), WLAN_GET_SEQ_SEQ(sc));
|
||||||
|
wpa_printf(MSG_INFO,
|
||||||
|
"A3 not present; corresponds to 02:d2:e1:28:a5:7c in uncompressed header");
|
||||||
|
wpa_printf(MSG_INFO, "A4 not present");
|
||||||
|
wpa_hexdump(MSG_INFO, "Plaintext Frame Header", frame3, 16);
|
||||||
|
wpa_hexdump(MSG_INFO, "Plaintext Frame Body",
|
||||||
|
frame3 + 16, sizeof(frame3) - 16);
|
||||||
|
|
||||||
|
enc = ccmp_encrypt_pv1(tk, &frame3[2], &frame3[8], da,
|
||||||
|
frame3, sizeof(frame3), 16, pn, key_id,
|
||||||
|
&enc_len);
|
||||||
|
if (enc == NULL) {
|
||||||
|
wpa_printf(MSG_ERROR, "Failed to encrypt CCMP frame");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_hexdump(MSG_INFO, "Encrypted Frame Header", enc, 16);
|
||||||
|
wpa_hexdump(MSG_INFO, "Encrypted Frame Frame Body",
|
||||||
|
enc + 16, enc_len - 16);
|
||||||
|
WPA_PUT_LE32(fcs, crc32(enc, enc_len));
|
||||||
|
wpa_hexdump(MSG_INFO, "Encrypted Frame FCS", fcs, sizeof(fcs));
|
||||||
|
|
||||||
|
wpa_debug_level = MSG_INFO;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
static void test_vector_bip(void)
|
static void test_vector_bip(void)
|
||||||
{
|
{
|
||||||
u8 igtk[] = {
|
u8 igtk[] = {
|
||||||
@ -712,6 +919,7 @@ int main(int argc, char *argv[])
|
|||||||
|
|
||||||
test_vector_tkip();
|
test_vector_tkip();
|
||||||
test_vector_ccmp();
|
test_vector_ccmp();
|
||||||
|
test_vector_ccmp_pv1();
|
||||||
test_vector_bip();
|
test_vector_bip();
|
||||||
test_vector_ccmp_mgmt();
|
test_vector_ccmp_mgmt();
|
||||||
errors += test_vector_gcmp();
|
errors += test_vector_gcmp();
|
||||||
|
|||||||
@ -274,6 +274,10 @@ u8 * ccmp_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
|
|||||||
const u8 *data, size_t data_len, size_t *decrypted_len);
|
const u8 *data, size_t data_len, size_t *decrypted_len);
|
||||||
u8 * ccmp_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
|
u8 * ccmp_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
|
||||||
u8 *pn, int keyid, size_t *encrypted_len);
|
u8 *pn, int keyid, size_t *encrypted_len);
|
||||||
|
u8 * ccmp_encrypt_pv1(const u8 *tk, const u8 *a1, const u8 *a2, const u8 *a3,
|
||||||
|
const u8 *frame, size_t len,
|
||||||
|
size_t hdrlen, const u8 *pn, int keyid,
|
||||||
|
size_t *encrypted_len);
|
||||||
void ccmp_get_pn(u8 *pn, const u8 *data);
|
void ccmp_get_pn(u8 *pn, const u8 *data);
|
||||||
u8 * ccmp_256_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
|
u8 * ccmp_256_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
|
||||||
const u8 *data, size_t data_len, size_t *decrypted_len);
|
const u8 *data, size_t data_len, size_t *decrypted_len);
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user