refactor pskdemod - remove nrz.._ext

[proxmark3-svn] / client / scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index 152fd9d44335236ffe3def9237d3bb38eccb68b3..10d554a07082a9dab2e237d7324f689b0797b309 100644 (file)
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -18,9 +18,12 @@
 #include "util.h"
 #include "nonce2key/nonce2key.h"
 #include "../common/iso15693tools.h"
 #include "util.h"
 #include "nonce2key/nonce2key.h"
 #include "../common/iso15693tools.h"

+#include "iso14443crc.h"

 #include "../common/crc16.h"
 #include "../common/crc64.h"
 #include "../common/crc16.h"
 #include "../common/crc64.h"

+#include "../common/sha1.h"

 #include "aes.h"
 #include "aes.h"

+#include "cmdcrc.h"

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


@@ -158,7 +161,7 @@ static int l_nonce2key(lua_State *L){
        uint8_t dest_key[8];
        num_to_bytes(key,sizeof(dest_key),dest_key);
 
        uint8_t dest_key[8];
        num_to_bytes(key,sizeof(dest_key),dest_key);
 

-       //printf("Pushing to lua stack: %012"llx"\n",key);
+       //printf("Pushing to lua stack: %012" PRIx64 "\n",key);

        lua_pushlstring(L,(const char *) dest_key,sizeof(dest_key));
 
        return 2; //Two return values
        lua_pushlstring(L,(const char *) dest_key,sizeof(dest_key));
 
        return 2; //Two return values


@@ -227,11 +230,32 @@ static int l_iso15693_crc(lua_State *L)
        return 1;
 }
 
        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)
+       */
+       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;
+
+       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]);
+
+       lua_pushlstring(L, (const char *)&buf, len+2);
+       return 1;
+}

 /*
  Simple AES 128 cbc hook up to OpenSSL.
  params:  key, input
 */
 /*
  Simple AES 128 cbc hook up to OpenSSL.
  params:  key, input
 */

-static int l_aes128decrypt(lua_State *L)
+static int l_aes128decrypt_cbc(lua_State *L)

 {
        //Check number of arguments
        int i;
 {
        //Check number of arguments
        int i;


@@ -260,7 +284,36 @@ static int l_aes128decrypt(lua_State *L)
        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
 }

-static int l_aes128encrypt(lua_State *L)
+static int l_aes128decrypt_ecb(lua_State *L)
+{
+       //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_encTxt = luaL_checklstring(L, 2, &size);
+
+       unsigned char indata[16] = {0x00};
+       unsigned char outdata[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]);
+       }
+       aes_context ctx;
+       aes_init(&ctx);
+       aes_setkey_dec(&ctx, aes_key, 128);
+       aes_crypt_ecb(&ctx, AES_DECRYPT, 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
+}
+
+static int l_aes128encrypt_cbc(lua_State *L)

 {
        //Check number of arguments
        int i;
 {
        //Check number of arguments
        int i;


@@ -289,6 +342,33 @@ static int l_aes128encrypt(lua_State *L)
        return 1;// return 1 to signal one return value
 }
 
        return 1;// return 1 to signal one return value
 }
 

+static int l_aes128encrypt_ecb(lua_State *L)
+{
+       //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);
+
+       unsigned char indata[16] = {0x00};
+       unsigned char outdata[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]);
+       }
+       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
+       lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+       return 1;// return 1 to signal one return value
+}
+

 static int l_crc16(lua_State *L)
 {
        size_t size;
 static int l_crc16(lua_State *L)
 {
        size_t size;


@@ -321,6 +401,72 @@ static int l_crc64(lua_State *L)
        return 1;
 }
 
        return 1;
 }
 

+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));
+       return 1;
+}
+
+static int l_reveng_models(lua_State *L){
+
+       char *models[80];
+       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);
+
+       uint8_t width[80];
+       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;
+}
+

 /**
  * @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be
  * able to do "require('foobar')" if foobar.lua is within lualibs folder.
 /**
  * @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be
  * able to do "require('foobar')" if foobar.lua is within lualibs folder.


@@ -359,10 +505,16 @@ int set_pm3_libraries(lua_State *L)
                {"clearCommandBuffer",          l_clearCommandBuffer},
                {"console",                     l_CmdConsole},
                {"iso15693_crc",                l_iso15693_crc},
                {"clearCommandBuffer",          l_clearCommandBuffer},
                {"console",                     l_CmdConsole},
                {"iso15693_crc",                l_iso15693_crc},

-               {"aes128_decrypt",              l_aes128decrypt},
-               {"aes128_encrypt",              l_aes128encrypt},
+               {"iso14443b_crc",               l_iso14443b_crc},
+               {"aes128_decrypt",              l_aes128decrypt_cbc},
+               {"aes128_decrypt_ecb",          l_aes128decrypt_ecb},
+               {"aes128_encrypt",              l_aes128encrypt_cbc},
+               {"aes128_encrypt_ecb",          l_aes128encrypt_ecb},

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

+               {"sha1",                        l_sha1},
+               {"reveng_models",               l_reveng_models},
+               {"reveng_runmodel",             l_reveng_RunModel},

                {NULL, NULL}
        };
 
                {NULL, NULL}
        };
 


@@ -384,7 +536,11 @@ int set_pm3_libraries(lua_State *L)
 
        //-- Last but not least, add to the LUA_PATH (package.path in lua)
        // so we can load libraries from the ./lualib/ - directory
 
        //-- 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");
+       char libraries_path[strlen(get_my_executable_directory()) + strlen(LUA_LIBRARIES_DIRECTORY) + strlen(LUA_LIBRARIES_WILDCARD) + 1];
+       strcpy(libraries_path, get_my_executable_directory());
+       strcat(libraries_path, LUA_LIBRARIES_DIRECTORY);
+       strcat(libraries_path, LUA_LIBRARIES_WILDCARD);
+       setLuaPath(L, libraries_path);

 
        return 1;
 }
 
        return 1;
 }