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FIX: the 14b crc was called wrong in LUA. You enter a hexstring already, and get a hexstring back.

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This commit is contained in:
iceman1001 2016-02-25 17:51:02 +01:00
parent 71cb7328e3
commit f6af1cf0ad
2 changed files with 12 additions and 14 deletions
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6
client/lualibs/utils.lua
View file

@ -75,9 +75,9 @@ local Utils =
if #s == 0 then return nil end
if type(s) == 'string' then
local utils = require('utils')
local ascii = utils.ConvertHexToAscii(s)
local hashed = core.iso14443b_crc(ascii)
return utils.ConvertAsciiToHex(hashed)
return utils.ConvertAsciiToHex(
core.iso14443b_crc(s)
)
end
return nil
end,

20
client/scripting.c
View file

@ -82,7 +82,6 @@ static int l_WaitForResponseTimeout(lua_State *L){
}
UsbCommand response;
if(WaitForResponseTimeout(cmd, &response, ms_timeout))
{
//Push it as a string
@ -222,18 +221,17 @@ static int l_iso14443b_crc(lua_State *L)
unsigned char *TransmitFirst,
unsigned char *TransmitSecond)
*/
unsigned char buf[USB_CMD_DATA_SIZE];
size_t len = 0;
const char *data = luaL_checklstring(L, 1, &len);
if (USB_CMD_DATA_SIZE < len)
len = USB_CMD_DATA_SIZE-2;
size_t size = 0;
const char *data = luaL_checklstring(L, 1, &size);
unsigned char buf[USB_CMD_DATA_SIZE] = {0x00};
for (int i = 0; i < len; i += 2) {
sscanf(&data[i], "%02x", (unsigned int *)&buf[i / 2]);
}
ComputeCrc14443(CRC_14443_B, buf, len, &buf[len], &buf[len+1]);
for (int i = 0; i < size; i += 2)
sscanf(&data[i], "%02x", (unsigned int *)&buf[i / 2]);
lua_pushlstring(L, (const char *)&buf, len+2);
size /= 2;
ComputeCrc14443(CRC_14443_B, buf, size, &buf[size], &buf[size+1]);
lua_pushlstring(L, (const char *)&buf, size+2);
return 1;
}