void
wpa_calc_pmkR0(uchar *ssid, int ssid_len, uint16 mdid, uint8 *r0kh,
uint r0kh_len, struct ether_addr *sta_ea,
uint8 *pmk, uint pmk_len, uint8 *pmkr0, uint8 *pmkr0name)
{
uint8 data[128], digest[PRF_OUTBUF_LEN];
const char prefix[] = "FT-R0";
const char prefix1[] = "FT-R0N";
int data_len = 0;
bcopy(prefix, data, strlen(prefix));
data_len += strlen(prefix);
data[data_len++] = (uint8)ssid_len;
bcopy(ssid, &data[data_len], ssid_len);
data_len += ssid_len;
htol16_ua_store(mdid, &data[data_len]);
data_len += sizeof(uint16);
data[data_len++] = (uint8)r0kh_len; /* ROKHlength */
bcopy(r0kh, &data[data_len], r0kh_len);
data_len += r0kh_len;
bcopy(sta_ea, &data[data_len], ETHER_ADDR_LEN);
data_len += ETHER_ADDR_LEN;
hmac_sha256_n(pmk, pmk_len, data, data_len, digest, 48);
bcopy(digest, pmkr0, 32);
/* calc and return PMKR0Name */
bcopy(prefix1, data, strlen(prefix1));
data_len = strlen(prefix1);
bcopy(&digest[32], &data[data_len], 16);
data_len += 16;
sha256(data, data_len, digest, 0);
bcopy(digest, pmkr0name, WPA2_PMKID_LEN);
}
int
bcm_xtlv_put_16(struct bcm_tlvbuf *tbuf, uint16 type, const int16 data)
{
bcm_xtlv_t *xtlv;
if (tbuf == NULL || bcm_xtlv_buf_rlen(tbuf) < (2 + BCM_XTLV_HDR_SIZE))
return BCME_BADARG;
xtlv = (bcm_xtlv_t *)bcm_xtlv_buf(tbuf);
xtlv->id = htol16(type);
xtlv->len = htol16(sizeof(data));
htol16_ua_store(data, xtlv->data);
tbuf->buf += BCM_XTLV_SIZE(xtlv);
return BCME_OK;
}
