chg: syntax suger

[proxmark3-svn] / client / scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index 6b26ec59ca119eeae71c2cf0b132fa50566b87e4..64fb2a8fe0da78afea2f8f425b6ceea162fd5998 100644 (file)
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -1,5 +1,6 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 2013 m h swende <martin at swende.se>
 //-----------------------------------------------------------------------------
 // Copyright (C) 2013 m h swende <martin at swende.se>

+// Modified 2015,2016, iceman 

 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
 // at your option, any later version. See the LICENSE.txt file for the text of
 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
 // at your option, any later version. See the LICENSE.txt file for the text of


@@ -7,21 +8,8 @@
 //-----------------------------------------------------------------------------
 // Some lua scripting glue to proxmark core.
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // Some lua scripting glue to proxmark core.
 //-----------------------------------------------------------------------------

-
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
-#include "proxmark3.h"
-#include "usb_cmd.h"
-#include "cmdmain.h"

 #include "scripting.h"
 #include "scripting.h"

-#include "util.h"
-#include "nonce2key/nonce2key.h"
-#include "../common/iso15693tools.h"
-#include "../common/crc16.h"
-#include "../common/crc64.h"
-#include "../common/sha1.h"
-#include "aes.h"
+

 /**
  * The following params expected:
  *  UsbCommand c
 /**
  * The following params expected:
  *  UsbCommand c


@@ -31,34 +19,33 @@
  */
 static int l_SendCommand(lua_State *L){
 
  */
 static int l_SendCommand(lua_State *L){
 

-       /*
-        *
-        The SendCommand (native) expects the following structure:
-
-        typedef struct {
-         uint64_t cmd; //8 bytes
-         uint64_t arg[3]; // 8*3 bytes = 24 bytes
-         union {
-               uint8_t  asBytes[USB_CMD_DATA_SIZE]; // 1 byte * 512 = 512 bytes (OR)
-               uint32_t asDwords[USB_CMD_DATA_SIZE/4]; // 4 byte * 128 = 512 bytes
-         } d;
-       } PACKED UsbCommand;
-
-       ==> A 544 byte buffer will do.
-       **/
-       //Pop cmd
-       size_t size;
-       const char *data = luaL_checklstring(L, 1, &size);
-       if(size != sizeof(UsbCommand))
-       {
+    /*
+     *
+     The SendCommand (native) expects the following structure:
+
+     typedef struct {
+      uint64_t cmd; //8 bytes
+      uint64_t arg[3]; // 8*3 bytes = 24 bytes
+      union {
+        uint8_t  asBytes[USB_CMD_DATA_SIZE]; // 1 byte * 512 = 512 bytes (OR)
+        uint32_t asDwords[USB_CMD_DATA_SIZE/4]; // 4 byte * 128 = 512 bytes
+      } d;
+    } PACKED UsbCommand;
+
+    ==> A 544 byte buffer will do.
+    **/
+    //Pop cmd
+    size_t size;
+    const char *data = luaL_checklstring(L, 1, &size);
+    if(size != sizeof(UsbCommand))
+    {

                printf("Got data size %d, expected %d" , (int) size,(int) sizeof(UsbCommand));
                printf("Got data size %d, expected %d" , (int) size,(int) sizeof(UsbCommand));

-               lua_pushstring(L,"Wrong data size");
-               return 1;
-       }
+        lua_pushstring(L,"Wrong data size");
+        return 1;
+    }

 
 

-//    UsbCommand c = (*data);
-       SendCommand((UsbCommand* )data);
-       return 0; // no return values
+    SendCommand((UsbCommand* )data);
+    return 0; // no return values

 }
 /**
  * @brief The following params expected:
 }
 /**
  * @brief The following params expected:


@@ -69,105 +56,104 @@ static int l_SendCommand(lua_State *L){
  */
 static int l_WaitForResponseTimeout(lua_State *L){
 
  */
 static int l_WaitForResponseTimeout(lua_State *L){
 

-       uint32_t cmd = 0;
-       size_t ms_timeout = -1;
-
-       //Check number of arguments
-       int n = lua_gettop(L);
-       if(n == 0)
-       {
-               //signal error by returning Nil, errorstring
-               lua_pushnil(L);
-               lua_pushstring(L,"You need to supply at least command to wait for");
-               return 2; // two return values
-       }
-       if(n >= 1)
-       {
-               //pop cmd
-               cmd = luaL_checkunsigned(L,1);
-       }
-       if(n >= 2)
-       {
-               //Did the user send a timeout ?
-               //Check if the current top of stack is an integer
-               ms_timeout = luaL_checkunsigned(L,2);
-               //printf("Timeout set to %dms\n" , (int) ms_timeout);
-       }
-
-       UsbCommand response;
-
-       if(WaitForResponseTimeout(cmd, &response, ms_timeout))
-       {
-               //Push it as a string
-               lua_pushlstring(L,(const char *)&response,sizeof(UsbCommand));
-
-               return 1;// return 1 to signal one return value
-       }else{
-               //Push a Nil instead
-               lua_pushnil(L);
-               return 1;// one return value
-       }
+    uint32_t cmd = 0;
+    size_t ms_timeout = -1;
+
+    //Check number of arguments
+    int n = lua_gettop(L);
+    if(n == 0)
+    {
+        //signal error by returning Nil, errorstring
+        lua_pushnil(L);
+        lua_pushstring(L,"You need to supply at least command to wait for");
+        return 2; // two return values
+    }
+    if(n >= 1)
+    {
+        //pop cmd
+        cmd = luaL_checkunsigned(L,1);
+    }
+    if(n >= 2)
+    {
+        //Did the user send a timeout ?
+        //Check if the current top of stack is an integer
+        ms_timeout = luaL_checkunsigned(L,2);
+        //printf("Timeout set to %dms\n" , (int) ms_timeout);
+    }
+
+    UsbCommand response;
+    if(WaitForResponseTimeout(cmd, &response, ms_timeout))
+    {
+        //Push it as a string
+         lua_pushlstring(L,(const char *)&response, sizeof(UsbCommand));
+
+        return 1;// return 1 to signal one return value
+    }else{
+        //Push a Nil instead
+        lua_pushnil(L);
+        return 1;// one return value
+    }

 }
 
 static int returnToLuaWithError(lua_State *L, const char* fmt, ...)
 {
 }
 
 static int returnToLuaWithError(lua_State *L, const char* fmt, ...)
 {

-       char buffer[200];
-       va_list args;
-       va_start(args,fmt);
-       vsnprintf(buffer, sizeof(buffer), fmt,args);
-       va_end(args);
-
-       lua_pushnil(L);
-       lua_pushstring(L,buffer);
-       return 2;
+    char buffer[200];
+    va_list args;
+    va_start(args,fmt);
+    vsnprintf(buffer, sizeof(buffer), fmt,args);
+    va_end(args);
+
+    lua_pushnil(L);
+    lua_pushstring(L,buffer);
+    return 2;

 }
 
 static int l_nonce2key(lua_State *L){
 
 }
 
 static int l_nonce2key(lua_State *L){
 

-       size_t size;
-       const char *p_uid = luaL_checklstring(L, 1, &size);
-       if(size != 4)  return returnToLuaWithError(L,"Wrong size of uid, got %d bytes, expected 4", (int) size);
+    size_t size;
+    const char *p_uid = luaL_checklstring(L, 1, &size);
+    if(size != 4)  return returnToLuaWithError(L,"Wrong size of uid, got %d bytes, expected 4", (int) size);

 
 

-       const char *p_nt = luaL_checklstring(L, 2, &size);
-       if(size != 4)  return returnToLuaWithError(L,"Wrong size of nt, got %d bytes, expected 4", (int) size);
+    const char *p_nt = luaL_checklstring(L, 2, &size);
+    if(size != 4)  return returnToLuaWithError(L,"Wrong size of nt, got %d bytes, expected 4", (int) size);

 
 

-       const char *p_nr = luaL_checklstring(L, 3, &size);
-       if(size != 4)  return returnToLuaWithError(L,"Wrong size of nr, got %d bytes, expected 4", (int) size);
+    const char *p_nr = luaL_checklstring(L, 3, &size);
+    if(size != 4)  return returnToLuaWithError(L,"Wrong size of nr, got %d bytes, expected 4", (int) size);

 
 

-       const char *p_par_info = luaL_checklstring(L, 4, &size);
-       if(size != 8)  return returnToLuaWithError(L,"Wrong size of par_info, got %d bytes, expected 8", (int) size);
+    const char *p_par_info = luaL_checklstring(L, 4, &size);
+    if(size != 8)  return returnToLuaWithError(L,"Wrong size of par_info, got %d bytes, expected 8", (int) size);

 
 

-       const char *p_pks_info = luaL_checklstring(L, 5, &size);
-       if(size != 8)  return returnToLuaWithError(L,"Wrong size of ks_info, got %d bytes, expected 8", (int) size);
+    const char *p_pks_info = luaL_checklstring(L, 5, &size);
+    if(size != 8)  return returnToLuaWithError(L,"Wrong size of ks_info, got %d bytes, expected 8", (int) size);

 
 
 
 

-       uint32_t uid = bytes_to_num(( uint8_t *)p_uid,4);
-       uint32_t nt = bytes_to_num(( uint8_t *)p_nt,4);
+    uint32_t uid = bytes_to_num(( uint8_t *)p_uid,4);
+    uint32_t nt = bytes_to_num(( uint8_t *)p_nt,4);

 
 

-       uint32_t nr = bytes_to_num(( uint8_t*)p_nr,4);
-       uint64_t par_info = bytes_to_num(( uint8_t *)p_par_info,8);
-       uint64_t ks_info = bytes_to_num(( uint8_t *)p_pks_info,8);
+    uint32_t nr = bytes_to_num(( uint8_t*)p_nr,4);
+    uint64_t par_info = bytes_to_num(( uint8_t *)p_par_info,8);
+    uint64_t ks_info = bytes_to_num(( uint8_t *)p_pks_info,8);

 
 

-       uint64_t key = 0;
+    uint64_t key = 0;

 
 

-       int retval = nonce2key(uid,nt, nr, par_info,ks_info, &key);
+    int retval = nonce2key(uid,nt, nr, par_info,ks_info, &key);

 
 

-       //Push the retval on the stack
-       lua_pushinteger(L,retval);
+    //Push the retval on the stack
+    lua_pushinteger(L,retval);

 
 

-       //Push the key onto the stack
-       uint8_t dest_key[8];
-       num_to_bytes(key,sizeof(dest_key),dest_key);
+    //Push the key onto the stack
+    uint8_t dest_key[8];
+    num_to_bytes(key,sizeof(dest_key),dest_key);

 
 

-       //printf("Pushing to lua stack: %012"llx"\n",key);
-       lua_pushlstring(L,(const char *) dest_key,sizeof(dest_key));
+    //printf("Pushing to lua stack: %012"llx"\n",key);
+    lua_pushlstring(L,(const char *) dest_key,sizeof(dest_key));

 
 

-       return 2; //Two return values
+    return 2; //Two return values

 }
 //static int l_PrintAndLog(lua_State *L){ return CmdHF14AMfDump(luaL_checkstring(L, 1));}
 static int l_clearCommandBuffer(lua_State *L){
 }
 //static int l_PrintAndLog(lua_State *L){ return CmdHF14AMfDump(luaL_checkstring(L, 1));}
 static int l_clearCommandBuffer(lua_State *L){

-       clearCommandBuffer();
-       return 0;
+    clearCommandBuffer();
+    return 0;

 }
 /**
  * @brief l_foobar is a dummy function to test lua-integration with
 }
 /**
  * @brief l_foobar is a dummy function to test lua-integration with


@@ -176,23 +162,23 @@ static int l_clearCommandBuffer(lua_State *L){
  */
 static int l_foobar(lua_State *L)
 {
  */
 static int l_foobar(lua_State *L)
 {

-       //Check number of arguments
-       int n = lua_gettop(L);
-       printf("foobar called with %d arguments" , n);
-       lua_settop(L, 0);
-       printf("Arguments discarded, stack now contains %d elements", lua_gettop(L));
-
-       // todo: this is not used, where was it intended for?
-       // UsbCommand response =  {CMD_MIFARE_READBL, {1337, 1338, 1339}};
-
-       printf("Now returning a uint64_t as a string");
-       uint64_t x = 0xDEADBEEF;
-       uint8_t destination[8];
-       num_to_bytes(x,sizeof(x),destination);
-       lua_pushlstring(L,(const char *)&x,sizeof(x));
-       lua_pushlstring(L,(const char *)destination,sizeof(destination));
-
-       return 2;
+    //Check number of arguments
+    int n = lua_gettop(L);
+    printf("foobar called with %d arguments" , n);
+    lua_settop(L, 0);
+    printf("Arguments discarded, stack now contains %d elements", lua_gettop(L));
+
+    // todo: this is not used, where was it intended for?
+    // UsbCommand response =  {CMD_MIFARE_READBL, {1337, 1338, 1339}};
+
+    printf("Now returning a uint64_t as a string");
+    uint64_t x = 0xDEADBEEF;
+    uint8_t destination[8];
+    num_to_bytes(x,sizeof(x),destination);
+    lua_pushlstring(L,(const char *)&x,sizeof(x));
+    lua_pushlstring(L,(const char *)destination,sizeof(destination));
+
+    return 2;

 }
 
 
 }
 
 


@@ -203,8 +189,8 @@ static int l_foobar(lua_State *L)
  */
 static int l_ukbhit(lua_State *L)
 {
  */
 static int l_ukbhit(lua_State *L)
 {

-       lua_pushboolean(L,ukbhit() ? true : false);
-       return 1;
+    lua_pushboolean(L,ukbhit() ? true : false);
+    return 1;

 }
 /**
  * @brief Calls the command line parser to deal with the command. This enables
 }
 /**
  * @brief Calls the command line parser to deal with the command. This enables


@@ -214,18 +200,39 @@ static int l_ukbhit(lua_State *L)
  */
 static int l_CmdConsole(lua_State *L)
 {
  */
 static int l_CmdConsole(lua_State *L)
 {

-       CommandReceived((char *)luaL_checkstring(L, 1));
-       return 0;
+    CommandReceived((char *)luaL_checkstring(L, 1));
+    return 0;

 }
 
 static int l_iso15693_crc(lua_State *L)
 {
 }
 
 static int l_iso15693_crc(lua_State *L)
 {

-       //    uint16_t Iso15693Crc(uint8_t *v, int n);
-       size_t size;
-       const char *v = luaL_checklstring(L, 1, &size);
-       uint16_t retval = Iso15693Crc((uint8_t *) v, size);
-       lua_pushinteger(L, (int) retval);
-       return 1;
+    //    uint16_t Iso15693Crc(uint8_t *v, int n);
+    size_t size;
+    const char *v = luaL_checklstring(L, 1, &size);
+    uint16_t retval = Iso15693Crc((uint8_t *) v, size);
+    lua_pushinteger(L, (int) retval);
+    return 1;
+}
+
+static int l_iso14443b_crc(lua_State *L)
+{
+       /* void ComputeCrc14443(int CrcType,
+                     const unsigned char *Data, int Length,
+                     unsigned char *TransmitFirst,
+                     unsigned char *TransmitSecond)
+       */
+    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 < size; i += 2)
+               sscanf(&data[i], "%02x", (unsigned int *)&buf[i / 2]);  
+       
+       size /= 2;      
+       ComputeCrc14443(CRC_14443_B, buf, size, &buf[size], &buf[size+1]);      
+    lua_pushlstring(L, (const char *)&buf, size+2);
+    return 1;

 }
 
 /*
 }
 
 /*


@@ -236,15 +243,15 @@ static int l_aes128decrypt_cbc(lua_State *L)
 {
        //Check number of arguments
        int i;
 {
        //Check number of arguments
        int i;

-       size_t size;
-       const char *p_key = luaL_checklstring(L, 1, &size);
-       if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+    size_t size;
+    const char *p_key = luaL_checklstring(L, 1, &size);
+    if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);

 
 

-       const char *p_encTxt = luaL_checklstring(L, 2, &size);
+    const char *p_encTxt = luaL_checklstring(L, 2, &size);

 
        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};
 
        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};

-       unsigned char aes_key[16] = {0x00};
+    unsigned char aes_key[16] = {0x00};

        unsigned char iv[16] = {0x00};
 
        // convert key to bytearray and convert input to bytearray
        unsigned char iv[16] = {0x00};
 
        // convert key to bytearray and convert input to bytearray


@@ -253,11 +260,11 @@ static int l_aes128decrypt_cbc(lua_State *L)
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        }
 
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        }
 

-       aes_context ctx;
-       aes_init(&ctx);
+    aes_context ctx;
+    aes_init(&ctx);

        aes_setkey_dec(&ctx, aes_key, 128);
        aes_setkey_dec(&ctx, aes_key, 128);

-       aes_crypt_cbc(&ctx,AES_DECRYPT,sizeof(indata), iv, indata,outdata );
-       //Push decrypted array as a string
+       aes_crypt_cbc(&ctx, AES_DECRYPT, sizeof(indata), iv, indata, outdata );
+    //Push decrypted array as a string

        lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
        return 1;// return 1 to signal one return value
 }
        lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
        return 1;// return 1 to signal one return value
 }


@@ -265,27 +272,27 @@ static int l_aes128decrypt_ecb(lua_State *L)
 {
        //Check number of arguments
        int i;
 {
        //Check number of arguments
        int i;

-       size_t size;
-       const char *p_key = luaL_checklstring(L, 1, &size);
-       if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+    size_t size;
+    const char *p_key = luaL_checklstring(L, 1, &size);
+    if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);

 
 

-       const char *p_encTxt = luaL_checklstring(L, 2, &size);
+    const char *p_encTxt = luaL_checklstring(L, 2, &size);

 
        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};
 
        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};

-       unsigned char aes_key[16] = {0x00};
+    unsigned char aes_key[16] = {0x00};

 
        // convert key to bytearray and convert input to bytearray
        for (i = 0; i < 32; i += 2) {
                sscanf(&p_encTxt[i], "%02x", (unsigned int *)&indata[i / 2]);
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        }
 
        // convert key to bytearray and convert input to bytearray
        for (i = 0; i < 32; i += 2) {
                sscanf(&p_encTxt[i], "%02x", (unsigned int *)&indata[i / 2]);
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        }

-       aes_context ctx;
-       aes_init(&ctx);
+    aes_context ctx;
+    aes_init(&ctx);

        aes_setkey_dec(&ctx, aes_key, 128);
        aes_crypt_ecb(&ctx, AES_DECRYPT, indata, outdata );
 
        aes_setkey_dec(&ctx, aes_key, 128);
        aes_crypt_ecb(&ctx, AES_DECRYPT, indata, outdata );
 

-       //Push decrypted array as a string
+    //Push decrypted array as a string

        lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
        return 1;// return 1 to signal one return value
 }
        lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
        return 1;// return 1 to signal one return value
 }


@@ -294,15 +301,15 @@ static int l_aes128encrypt_cbc(lua_State *L)
 {
        //Check number of arguments
        int i;
 {
        //Check number of arguments
        int i;

-       size_t size;
-       const char *p_key = luaL_checklstring(L, 1, &size);
-       if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
-
-       const char *p_txt = luaL_checklstring(L, 2, &size);
+    size_t size;
+    const char *p_key = luaL_checklstring(L, 1, &size);
+    if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);

 
 

+    const char *p_txt = luaL_checklstring(L, 2, &size);
+    

        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};
        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};

-       unsigned char aes_key[16] = {0x00};
+    unsigned char aes_key[16] = {0x00};

        unsigned char iv[16] = {0x00};
        
        for (i = 0; i < 32; i += 2) {
        unsigned char iv[16] = {0x00};
        
        for (i = 0; i < 32; i += 2) {


@@ -310,8 +317,8 @@ static int l_aes128encrypt_cbc(lua_State *L)
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        }
 
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        }
 

-       aes_context ctx;
-       aes_init(&ctx);
+    aes_context ctx;
+    aes_init(&ctx);

        aes_setkey_enc(&ctx, aes_key, 128);
        aes_crypt_cbc(&ctx, AES_ENCRYPT, sizeof(indata), iv, indata, outdata );
        //Push encrypted array as a string
        aes_setkey_enc(&ctx, aes_key, 128);
        aes_crypt_cbc(&ctx, AES_ENCRYPT, sizeof(indata), iv, indata, outdata );
        //Push encrypted array as a string


@@ -323,22 +330,22 @@ static int l_aes128encrypt_ecb(lua_State *L)
 {
        //Check number of arguments
        int i;
 {
        //Check number of arguments
        int i;

-       size_t size;
-       const char *p_key = luaL_checklstring(L, 1, &size);
-       if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
-
-       const char *p_txt = luaL_checklstring(L, 2, &size);
+    size_t size;
+    const char *p_key = luaL_checklstring(L, 1, &size);
+    if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);

 
 

+    const char *p_txt = luaL_checklstring(L, 2, &size);
+    

        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};
        unsigned char indata[16] = {0x00};
        unsigned char outdata[16] = {0x00};

-       unsigned char aes_key[16] = {0x00};
-
+    unsigned char aes_key[16] = {0x00};
+       

        for (i = 0; i < 32; i += 2) {
                sscanf(&p_txt[i], "%02x", (unsigned int *)&indata[i / 2]);
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
        for (i = 0; i < 32; i += 2) {
                sscanf(&p_txt[i], "%02x", (unsigned int *)&indata[i / 2]);
                sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);

-       }
-       aes_context ctx;
-       aes_init(&ctx);
+       }       
+    aes_context ctx;
+    aes_init(&ctx);

        aes_setkey_enc(&ctx, aes_key, 128);
        aes_crypt_ecb(&ctx, AES_ENCRYPT, indata, outdata );
        //Push encrypted array as a string
        aes_setkey_enc(&ctx, aes_key, 128);
        aes_crypt_ecb(&ctx, AES_ENCRYPT, indata, outdata );
        //Push encrypted array as a string


@@ -346,14 +353,24 @@ static int l_aes128encrypt_ecb(lua_State *L)
        return 1;// return 1 to signal one return value
 }
 
        return 1;// return 1 to signal one return value
 }
 

+static int l_crc8legic(lua_State *L)
+{
+       size_t size;
+       const char *p_str = luaL_checklstring(L, 1, &size);
+
+       uint16_t retval = CRC8Legic( (uint8_t*) p_str, size);
+    lua_pushinteger(L, (int) retval);
+    return 1;
+}
+

 static int l_crc16(lua_State *L)
 {
        size_t size;
        const char *p_str = luaL_checklstring(L, 1, &size);
 
        uint16_t retval = crc16_ccitt( (uint8_t*) p_str, size);
 static int l_crc16(lua_State *L)
 {
        size_t size;
        const char *p_str = luaL_checklstring(L, 1, &size);
 
        uint16_t retval = crc16_ccitt( (uint8_t*) p_str, size);

-       lua_pushinteger(L, (int) retval);
-       return 1;
+    lua_pushinteger(L, (int) retval);
+    return 1;

 }
 
 static int l_crc64(lua_State *L)
 }
 
 static int l_crc64(lua_State *L)


@@ -381,10 +398,68 @@ static int l_crc64(lua_State *L)
 static int l_sha1(lua_State *L)
 {
        size_t size;
 static int l_sha1(lua_State *L)
 {
        size_t size;

-       const char *p_str = luaL_checklstring(L, 1, &size);
-       unsigned char outdata[20] = {0x00};
-       sha1( (uint8_t*) p_str, size, outdata);
-       lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+       const char *p_str = luaL_checklstring(L, 1, &size);     
+       unsigned char outdata[20] = {0x00};                                                                                                                                                                     
+    sha1( (uint8_t*) p_str, size, outdata);                                                                                                                                                                 
+    lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+    return 1;  
+}
+
+static int l_reveng_models(lua_State *L){
+
+       // This array needs to be adjusted if RevEng adds more crc-models.
+       char *models[100];
+       int count = 0;
+       int in_width = luaL_checkinteger(L, 1);
+       
+       if( in_width > 89 ) return returnToLuaWithError(L,"Width cannot exceed 89, got %d", in_width);
+
+       // This array needs to be adjusted if RevEng adds more crc-models.
+       uint8_t width[100];
+       width[0] = (uint8_t)in_width;
+       int ans = GetModels(models, &count, width);
+       if (!ans) return 0;
+       
+       lua_newtable(L);
+       
+       for (int i = 0; i < count; i++){
+               lua_pushstring(L,  (const char*)models[i]);
+               lua_rawseti(L,-2,i+1);
+               free(models[i]);
+       }
+
+       return 1;
+}
+
+//Called with 4 parameters.
+// inModel   ,string containing the crc model name: 'CRC-8'
+// inHexStr  ,string containing the hex representation of the data that will be used for CRC calculations.
+// reverse   ,int 0/1  (bool) if 1, calculate the reverse CRC
+// endian    ,char,  'B','b','L','l','t','r' describing if Big-Endian or Little-Endian should be used in different combinations.
+//
+// outputs:  string with hex representation of the CRC result
+static int l_reveng_RunModel(lua_State *L){
+       //-c || -v
+       //inModel = valid model name string - CRC-8
+       //inHexStr = input hex string to calculate crc on
+       //reverse = reverse calc option if true
+       //endian = {0 = calc default endian input and output, b = big endian input and output, B = big endian output, r = right justified
+       //          l = little endian input and output, L = little endian output only, t = left justified}
+       //result = calculated crc hex string    
+       char result[50];
+       
+       const char *inModel = luaL_checkstring(L, 1);
+       const char *inHexStr = luaL_checkstring(L, 2);
+    bool reverse =  lua_toboolean(L, 3);
+       const char endian = luaL_checkstring(L, 4)[0];
+
+       //PrintAndLog("mod: %s, hex: %s, rev %d", inModel, inHexStr, reverse);
+       //    int RunModel(char *inModel, char *inHexStr, bool reverse, char endian, char *result)
+       int ans = RunModel( (char *)inModel, (char *)inHexStr, reverse, endian, result);
+       if (!ans)       
+               return returnToLuaWithError(L,"Reveng failed");
+
+       lua_pushstring(L, (const char*)result); 

        return 1;
 }
 
        return 1;
 }
 


@@ -398,63 +473,66 @@ static int l_sha1(lua_State *L)
  */
 int setLuaPath( lua_State* L, const char* path )
 {
  */
 int setLuaPath( lua_State* L, const char* path )
 {

-       lua_getglobal( L, "package" );
-       lua_getfield( L, -1, "path" ); // get field "path" from table at top of stack (-1)
-       const char* cur_path = lua_tostring( L, -1 ); // grab path string from top of stack
-       int requiredLength = strlen(cur_path)+ strlen(path)+10; //A few bytes too many, whatever we can afford it
-       char * buf = malloc(requiredLength);
-       snprintf(buf, requiredLength, "%s;%s", cur_path, path);
-       lua_pop( L, 1 ); // get rid of the string on the stack we just pushed on line 5
-       lua_pushstring( L, buf ); // push the new one
-       lua_setfield( L, -2, "path" ); // set the field "path" in table at -2 with value at top of stack
-       lua_pop( L, 1 ); // get rid of package table from top of stack
+    lua_getglobal( L, "package" );
+    lua_getfield( L, -1, "path" ); // get field "path" from table at top of stack (-1)
+    const char* cur_path = lua_tostring( L, -1 ); // grab path string from top of stack
+    int requiredLength = strlen(cur_path)+ strlen(path)+10; //A few bytes too many, whatever we can afford it
+    char * buf = malloc(requiredLength);
+    snprintf(buf, requiredLength, "%s;%s", cur_path, path);
+    lua_pop( L, 1 ); // get rid of the string on the stack we just pushed on line 5
+    lua_pushstring( L, buf ); // push the new one
+    lua_setfield( L, -2, "path" ); // set the field "path" in table at -2 with value at top of stack
+    lua_pop( L, 1 ); // get rid of package table from top of stack

        free(buf);
        return 0; // all done!
 }
 
        free(buf);
        return 0; // all done!
 }
 

-

 int set_pm3_libraries(lua_State *L)
 {
 
 int set_pm3_libraries(lua_State *L)
 {
 

-       static const luaL_Reg libs[] = {
-               {"SendCommand",                 l_SendCommand},
-               {"WaitForResponseTimeout",      l_WaitForResponseTimeout},
-               {"nonce2key",                   l_nonce2key},
-               //{"PrintAndLog",                 l_PrintAndLog},
-               {"foobar",                      l_foobar},
-               {"ukbhit",                      l_ukbhit},
-               {"clearCommandBuffer",          l_clearCommandBuffer},
+    static const luaL_Reg libs[] = {
+        {"SendCommand",                 l_SendCommand},
+        {"WaitForResponseTimeout",      l_WaitForResponseTimeout},
+        {"nonce2key",                   l_nonce2key},
+        //{"PrintAndLog",                 l_PrintAndLog},
+        {"foobar",                      l_foobar},
+        {"ukbhit",                      l_ukbhit},
+        {"clearCommandBuffer",          l_clearCommandBuffer},

                {"console",                     l_CmdConsole},
                {"iso15693_crc",                l_iso15693_crc},
                {"console",                     l_CmdConsole},
                {"iso15693_crc",                l_iso15693_crc},

+               {"iso14443b_crc",                               l_iso14443b_crc},

                {"aes128_decrypt",              l_aes128decrypt_cbc},
                {"aes128_decrypt_ecb",          l_aes128decrypt_ecb},
                {"aes128_decrypt",              l_aes128decrypt_cbc},
                {"aes128_decrypt_ecb",          l_aes128decrypt_ecb},

-               {"aes128_encrypt",              l_aes128encrypt_cbc},
+               {"aes128_encrypt",              l_aes128encrypt_cbc},           

                {"aes128_encrypt_ecb",          l_aes128encrypt_ecb},
                {"aes128_encrypt_ecb",          l_aes128encrypt_ecb},

+               {"crc8legic",                                   l_crc8legic},

                {"crc16",                       l_crc16},
                {"crc64",                       l_crc64},
                {"crc16",                       l_crc16},
                {"crc64",                       l_crc64},

-               {"sha1",                        l_sha1},
-               {NULL, NULL}
-       };
-
-       lua_pushglobaltable(L);
-       // Core library is in this table. Contains '
-       //this is 'pm3' table
-       lua_newtable(L);
-
-       //Put the function into the hash table.
-       for (int i = 0; libs[i].name; i++) {
-               lua_pushcfunction(L, libs[i].func);
-               lua_setfield(L, -2, libs[i].name);//set the name, pop stack
-       }
-       //Name of 'core'
-       lua_setfield(L, -2, "core");
-
-       //-- remove the global environment table from the stack
-       lua_pop(L, 1);
-
-       //-- Last but not least, add to the LUA_PATH (package.path in lua)
-       // so we can load libraries from the ./lualib/ - directory
-       setLuaPath(L,"./lualibs/?.lua");
-
-       return 1;
+               {"sha1",                                                l_sha1},
+               {"reveng_models",                               l_reveng_models},
+               {"reveng_runmodel",                             l_reveng_RunModel},
+        {NULL, NULL}
+    };
+
+    lua_pushglobaltable(L);
+    // Core library is in this table. Contains '
+    //this is 'pm3' table
+    lua_newtable(L);
+
+    //Put the function into the hash table.
+    for (int i = 0; libs[i].name; i++) {
+        lua_pushcfunction(L, libs[i].func);
+        lua_setfield(L, -2, libs[i].name);//set the name, pop stack
+    }
+    //Name of 'core'
+    lua_setfield(L, -2, "core");
+
+    //-- remove the global environment table from the stack
+    lua_pop(L, 1);
+
+    //-- Last but not least, add to the LUA_PATH (package.path in lua)
+    // so we can load libraries from the ./lualib/ - directory
+    setLuaPath(L,"./lualibs/?.lua");
+
+    return 1;

 }
 }