10 #define NAMEPFX "YubikeyNEO"
12 static const BYTE selcmd[] = {0x00, 0xA4, 0x04, 0x00, 0x07, 0xA0,
13 0x00, 0x00, 0x05, 0x27, 0x20, 0x01, 0x00};
14 static const BYTE cr_cmd[] = {0x00, 0x01, 0xff, 0x00};
16 static BYTE cr_for_slot[3] = {0xff, 0x30, 0x38};
18 static int slot = 2; /* second by default, people tend to leave */
19 /* the first with factory settings. */
21 static int ykn_parse_option(char *key, char *val)
23 if (!strcmp(key, "slot")) {
24 if (!strcmp(val, "1")) {
26 } else if (!strcmp(val, "2")) {
37 static DWORD ykn_check_atr_hb(BYTE *str, DWORD size)
39 if (size < strlen(NAMEPFX)) return SCARD_W_UNSUPPORTED_CARD;
40 if (memcmp(str, NAMEPFX, strlen(NAMEPFX)))
41 return SCARD_W_UNSUPPORTED_CARD;
42 return SCARD_S_SUCCESS;
45 static DWORD ykn_prologue(SCARDHANDLE hCard)
48 DWORD rsize = sizeof(buf);
49 DWORD rc = SCardBeginTransaction(hCard);
51 rc = SCardTransmit(hCard, &pioSendPci, selcmd, sizeof(selcmd),
54 if ((buf[rsize-2] == 0x90) && (buf[rsize-1] == 0x00))
55 return SCARD_S_SUCCESS;
56 else return SCARD_W_CARD_NOT_AUTHENTICATED;
59 static DWORD ykn_trancieve(SCARDHANDLE hCard,
60 BYTE *send, DWORD sendsize, BYTE *recv, LPDWORD recvsize_p)
63 DWORD rsize = *recvsize_p + 2;
64 BYTE *rbuf = alloca(rsize);
65 BYTE *sbuf = alloca(sendsize + 6);
66 memcpy(sbuf, cr_cmd, sizeof(cr_cmd));
67 sbuf[2] = cr_for_slot[slot];
68 sbuf[sizeof(cr_cmd)] = sendsize;
69 memcpy(sbuf + sizeof(cr_cmd) + 1, send, sendsize);
70 sbuf[sendsize + 5] = rsize;
71 rc = SCardTransmit(hCard, &pioSendPci, sbuf, sendsize + 6,
74 if ((rbuf[rsize-2] != 0x90) || (rbuf[rsize-1] != 0x00))
75 return SCARD_W_CARD_NOT_AUTHENTICATED;
76 memcpy(recv, rbuf, rsize - 2);
77 *recvsize_p = rsize - 2;
78 return SCARD_S_SUCCESS;
81 static DWORD ykn_epilogue(SCARDHANDLE hCard)
83 return SCardEndTransaction(hCard, SCARD_LEAVE_CARD);
86 struct token_interface ykneo_interface = {
88 .parse_option = ykn_parse_option,
89 .check_atr_hb = ykn_check_atr_hb,
90 .prologue = ykn_prologue,
91 .trancieve = ykn_trancieve,
92 .epilogue = ykn_epilogue,