+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;
+}
+
+static int l_hardnested(lua_State *L){
+
+ bool haveTarget = TRUE;
+ size_t size;
+ const char *p_blockno = luaL_checklstring(L, 1, &size);
+ if(size != 2) return returnToLuaWithError(L,"Wrong size of blockNo, got %d bytes, expected 2", (int) size);
+
+ const char *p_keytype = luaL_checklstring(L, 2, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of keyType, got %d bytes, expected 1", (int) size);
+
+ const char *p_key = luaL_checklstring(L, 3, &size);
+ if(size != 12) return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 12", (int) size);
+
+ const char *p_trg_blockno = luaL_checklstring(L, 4, &size);
+ if(size != 2) return returnToLuaWithError(L,"Wrong size of trgBlockNo, got %d bytes, expected 2", (int) size);
+
+ const char *p_trg_keytype = luaL_checklstring(L, 5, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of trgKeyType, got %d bytes, expected 1", (int) size);
+
+ const char *p_trgkey = luaL_checklstring(L, 6, &size);
+ if(size != 12)
+ haveTarget = FALSE;
+
+ const char *p_nonce_file_read = luaL_checklstring(L, 7, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of nonce_file_read, got %d bytes, expected 1", (int) size);
+
+ const char *p_nonce_file_write = luaL_checklstring(L, 8, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of nonce_file_write, got %d bytes, expected 1", (int) size);
+
+ const char *p_slow = luaL_checklstring(L, 9, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of slow, got %d bytes, expected 1", (int) size);
+
+ const char *p_tests = luaL_checklstring(L, 10, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of tests, got %d bytes, expected 1", (int) size);
+
+ uint32_t blockNo = 0, keyType = 0;
+ uint32_t trgBlockNo = 0, trgKeyType = 0;
+ uint32_t slow = 0, tests = 0;
+ uint32_t nonce_file_read = 0, nonce_file_write = 0;
+
+ sscanf(p_blockno, "%02x", &blockNo);
+ sscanf(p_keytype, "%x", &keyType);
+ sscanf(p_trg_blockno, "%02x", &trgBlockNo);
+ sscanf(p_trg_keytype, "%x", &trgKeyType);
+ sscanf(p_nonce_file_read, "%x", &nonce_file_read);
+ sscanf(p_nonce_file_write, "%x", &nonce_file_write);
+
+ sscanf(p_slow, "%x", &slow);
+ sscanf(p_tests, "%x", &tests);
+
+ uint8_t key[6] = {0,0,0,0,0,0};
+ uint8_t trgkey[6] = {0,0,0,0,0,0};
+ for (int i = 0; i < 32; i += 2) {
+ sscanf(&p_key[i], "%02x", (unsigned int *)&key[i / 2]);
+ if (haveTarget)
+ sscanf(&p_trgkey[i], "%02x", (unsigned int *)&trgkey[i / 2]);
+ }
+
+ uint64_t foundkey = 0;
+ int retval = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, haveTarget ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey);
+
+ //Push the retval on the stack
+ lua_pushinteger(L,retval);
+
+ //Push the key onto the stack
+ uint8_t dest_key[6];
+ num_to_bytes(foundkey, sizeof(dest_key), 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
+}
+
projects / proxmark3-svn / blobdiff