1 files changed, 48 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/mac/hmac/hmac.h b/src/libs/3rdparty/botan/src/lib/mac/hmac/hmac.h
new file mode 100644
index 0000000000..8001594324
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/mac/hmac/hmac.h
@@ -0,0 +1,48 @@
+/*
+* HMAC
+* (C) 1999-2007,2014 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_HMAC_H_
+#define BOTAN_HMAC_H_
+
+#include <botan/mac.h>
+#include <botan/hash.h>
+
+namespace Botan {
+
+/**
+* HMAC
+*/
+class BOTAN_PUBLIC_API(2,0) HMAC final : public MessageAuthenticationCode
+   {
+   public:
+      void clear() override;
+      std::string name() const override;
+      MessageAuthenticationCode* clone() const override;
+
+      size_t output_length() const override { return m_hash->output_length(); }
+
+      Key_Length_Specification key_spec() const override;
+
+      /**
+      * @param hash the hash to use for HMACing
+      */
+      explicit HMAC(HashFunction* hash);
+
+      HMAC(const HMAC&) = delete;
+      HMAC& operator=(const HMAC&) = 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<HashFunction> m_hash;
+      secure_vector<uint8_t> m_ikey, m_okey;
+   };
+
+}
+
+#endif