ADD: added identification for Mifare TNP3xxx tags.

[proxmark3-svn] / client / scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index 43474b98d183feb7201ea78384fc2124d05ca117..fd065a044d7da49983dd57de781fa742e25a16bd 100644 (file)
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -17,7 +17,8 @@
 #include "scripting.h"
 #include "util.h"
 #include "nonce2key/nonce2key.h"
 #include "scripting.h"
 #include "util.h"
 #include "nonce2key/nonce2key.h"

-
+#include "../common/iso15693tools.h"
+#include <openssl/aes.h>   

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


@@ -214,6 +215,53 @@ static int l_CmdConsole(lua_State *L)
     return 0;
 }
 
     return 0;
 }
 

+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;
+}
+
+/*
+ Simple AES 128 cbc hook up to OpenSSL.
+ params:  key, input
+*/
+static int l_aes(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[AES_BLOCK_SIZE] = {0x00};
+       unsigned char outdata[AES_BLOCK_SIZE] = {0x00};
+    unsigned char aes_key[AES_BLOCK_SIZE] = {0x00};
+       unsigned char iv[AES_BLOCK_SIZE] = {0x00};
+       
+       // convert key to bytearray
+       for (i = 0; i < 32; i += 2) {
+               sscanf(&p_encTxt[i], "%02x", (unsigned int *)&indata[i / 2]);
+       }
+       
+       // convert input to bytearray
+       for (i = 0; i < 32; i += 2) {
+               sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+       }
+       
+       AES_KEY key;
+       AES_set_decrypt_key(aes_key, 128, &key);
+    AES_cbc_encrypt(indata, outdata, sizeof(indata), &key, iv, AES_DECRYPT);
+
+    //Push decrypted array as a string
+       lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+       return 1;// return 1 to signal one return value
+}

 
 /**
  * @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be
 
 /**
  * @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be


@@ -250,7 +298,9 @@ int set_pm3_libraries(lua_State *L)
         {"foobar",                      l_foobar},
         {"ukbhit",                      l_ukbhit},
         {"clearCommandBuffer",          l_clearCommandBuffer},
         {"foobar",                      l_foobar},
         {"ukbhit",                      l_ukbhit},
         {"clearCommandBuffer",          l_clearCommandBuffer},

-        {"console",                      l_CmdConsole},
+        {"console",                     l_CmdConsole},
+        {"iso15693_crc",                l_iso15693_crc},
+               {"aes",                         l_aes},

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