1 files changed, 51 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h b/comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h
new file mode 100644
index 0000000000..3df38b9aa6
--- /dev/null
+++ b/comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h
@@ -0,0 +1,51 @@
+/*
+* ANSI X9.19 MAC
+* (C) 1999-2007 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_ANSI_X919_MAC_H_
+#define BOTAN_ANSI_X919_MAC_H_
+
+#include <botan/mac.h>
+#include <botan/block_cipher.h>
+
+BOTAN_FUTURE_INTERNAL_HEADER(x919_mac.h)
+
+namespace Botan {
+
+/**
+* DES/3DES-based MAC from ANSI X9.19
+*/
+class BOTAN_PUBLIC_API(2,0) ANSI_X919_MAC final : public MessageAuthenticationCode
+   {
+   public:
+      void clear() override;
+      std::string name() const override;
+      size_t output_length() const override { return 8; }
+
+      MessageAuthenticationCode* clone() const override;
+
+      Key_Length_Specification key_spec() const override
+         {
+         return Key_Length_Specification(8, 16, 8);
+         }
+
+      ANSI_X919_MAC();
+
+      ANSI_X919_MAC(const ANSI_X919_MAC&) = delete;
+      ANSI_X919_MAC& operator=(const ANSI_X919_MAC&) = delete;
+   private:
+      void add_data(const uint8_t[], size_t) override;
+      void final_result(uint8_t[]) override;
+      void key_schedule(const uint8_t[], size_t) override;
+
+      std::unique_ptr<BlockCipher> m_des1, m_des2;
+      secure_vector<uint8_t> m_state;
+      size_t m_position;
+   };
+
+}
+
+#endif