CHG: trying to get the askdemod / biphasedeocde / finding startmarker / removeparity...

[proxmark3-svn] / client / scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index 9e643932c1b59e148dfeaf882a0a18d2b2f8202e..7ac78394b3d5f98ae29f202fc9cfbaf7a37113dd 100644 (file)
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -20,6 +20,7 @@
 #include "../common/iso15693tools.h"
 #include "../common/crc16.h"
 #include "../common/crc64.h"
+#include "../common/sha1.h"
 #include "aes.h"
 /**
  * The following params expected:
@@ -231,7 +232,7 @@ static int l_iso15693_crc(lua_State *L)
  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;
@@ -254,14 +255,42 @@ static int l_aes128decrypt(lua_State *L)
 
     aes_context ctx;
     aes_init(&ctx);
-    //aes_setkey_enc(&ctx, (const unsigned char *)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
        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;
@@ -290,6 +319,33 @@ static int l_aes128encrypt(lua_State *L)
        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;
@@ -322,6 +378,16 @@ static int l_crc64(lua_State *L)
        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;  
+}
+
 /**
  * @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.
@@ -360,10 +426,13 @@ int set_pm3_libraries(lua_State *L)
         {"clearCommandBuffer",          l_clearCommandBuffer},
                {"console",                     l_CmdConsole},
                {"iso15693_crc",                l_iso15693_crc},
-               {"aes128_decrypt",              l_aes128decrypt},
-               {"aes128_encrypt",              l_aes128encrypt},
+               {"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},
+               {"sha1",                                                l_sha1},
         {NULL, NULL}
     };