diff --git a/dcs/utils/symbols.py b/dcs/utils/symbols.py
new file mode 100644
index 0000000..9d4c521
--- /dev/null
+++ b/dcs/utils/symbols.py
@@ -0,0 +1,59 @@
+#  SPDX-License-Identifier: MPL-2.0
+#    Copyright (c) 2022 Philipp Le <philipp@philipple.de>.
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import List
+
+
+@dataclass
+class Symbols:
+    symbols: List[int]
+    bits_per_symbol: int
+
+    def reencode(self, new_bits_per_symbol: int) -> Symbols:
+        assert new_bits_per_symbol > 0, 'Number of bits must be at least 1'
+        mask = (1 << new_bits_per_symbol) - 1
+        tmp_word = 0
+        head = 0
+        new_symbols = []
+        for sym in self.symbols:
+            tmp_word |= (sym << head)
+            head += self.bits_per_symbol
+            while head >= new_bits_per_symbol:
+                new_symbols.append(tmp_word & mask)
+                tmp_word >>= new_bits_per_symbol
+                head -= new_bits_per_symbol
+        if head > 0:
+            new_symbols.append(tmp_word & mask)
+
+        return Symbols(
+            symbols=new_symbols,
+            bits_per_symbol=new_bits_per_symbol,
+        )
+
+    def to_bit_str(self) -> List[str]:
+        fmt = '{:0%db}' % self.bits_per_symbol
+        return [fmt.format(sym) for sym in self.symbols]
+
+    def __len__(self):
+        return len(self.symbols)
+
+
+class MessageBinarySerializer:
+    def __init__(self, message: str):
+        self.message = message
+        self.symbols = None
+
+    def to_symbols(self) -> Symbols:
+        if self.symbols is None:
+            ba = bytearray(self.message, 'utf-8')
+            self.symbols = Symbols(
+                symbols=[int(sym) for sym in ba],
+                bits_per_symbol=8,
+            )
+        return self.symbols