+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;
+}
+
+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;
+}
+
+/*
+ Simple AES 128 cbc hook up to OpenSSL.
+ params: key, input
+*/
+static int l_aes128decrypt_cbc(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};
+ unsigned char iv[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_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_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;
+ 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};
+ unsigned char iv[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_cbc(&ctx, AES_ENCRYPT, sizeof(indata), iv, 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_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_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);
+ lua_pushinteger(L, (int) retval);
+ return 1;
+}
+
+static int l_crc64(lua_State *L)
+{
+ size_t size;
+ uint64_t crc = 0;
+ unsigned char outdata[8] = {0x00};
+
+ const char *p_str = luaL_checklstring(L, 1, &size);
+
+ crc64( (uint8_t*) p_str, size, &crc);
+
+ outdata[0] = (uint8_t)(crc >> 56) & 0xff;
+ outdata[1] = (uint8_t)(crc >> 48) & 0xff;
+ outdata[2] = (uint8_t)(crc >> 40) & 0xff;
+ outdata[3] = (uint8_t)(crc >> 32) & 0xff;
+ outdata[4] = (uint8_t)(crc >> 24) & 0xff;
+ outdata[5] = (uint8_t)(crc >> 16) & 0xff;
+ outdata[6] = (uint8_t)(crc >> 8) & 0xff;
+ outdata[7] = crc & 0xff;
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ 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){
+
+ // 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