diff --git a/tdutils/td/utils/crypto.cpp b/tdutils/td/utils/crypto.cpp
index 90e1bbcec..3ef0193eb 100644
--- a/tdutils/td/utils/crypto.cpp
+++ b/tdutils/td/utils/crypto.cpp
@@ -279,6 +279,16 @@ void aes_cbc_decrypt(const UInt256 &aes_key, UInt128 *aes_iv, Slice from, Mutabl
   aes_cbc_xcrypt(aes_key, aes_iv, from, to, false);
 }
 
+AesCbcState::AesCbcState(const UInt256 &key, const UInt128 &iv) : key_(key), iv_(iv) {
+}
+
+void AesCbcState::encrypt(Slice from, MutableSlice to) {
+  ::td::aes_cbc_encrypt(key_, &iv_, from, to);
+}
+void AesCbcState::decrypt(Slice from, MutableSlice to) {
+  ::td::aes_cbc_decrypt(key_, &iv_, from, to);
+}
+
 class AesCtrState::Impl {
  public:
   Impl(const UInt256 &key, const UInt128 &iv) {
diff --git a/tdutils/td/utils/crypto.h b/tdutils/td/utils/crypto.h
index 71fc3a869..6cb6d1adf 100644
--- a/tdutils/td/utils/crypto.h
+++ b/tdutils/td/utils/crypto.h
@@ -44,6 +44,18 @@ class AesCtrState {
   std::unique_ptr<Impl> ctx_;
 };
 
+class AesCbcState {
+ public:
+  AesCbcState(const UInt256 &key, const UInt128 &iv);
+
+  void encrypt(Slice from, MutableSlice to);
+  void decrypt(Slice from, MutableSlice to);
+
+ private:
+  UInt256 key_;
+  UInt128 iv_;
+};
+
 void sha1(Slice data, unsigned char output[20]);
 
 void sha256(Slice data, MutableSlice output);