Move all modules into src/ directory

3 files changed, 141 insertions, 0 deletions

diff --git a/src/mac/hmac/hmac.cpp b/src/mac/hmac/hmac.cpp
new file mode 100644
index 000000000..b8c76e8f6
--- /dev/null
+++ b/src/mac/hmac/hmac.cpp
@@ -0,0 +1,97 @@
+/*************************************************
+* HMAC Source File                               *
+* (C) 1999-2007 Jack Lloyd                       *
+*     2007 Yves Jerschow                         *
+*************************************************/
+
+#include <botan/hmac.h>
+#include <botan/lookup.h>
+#include <botan/xor_buf.h>
+
+namespace Botan {
+
+/*************************************************
+* Update a HMAC Calculation                      *
+*************************************************/
+void HMAC::add_data(const byte input[], u32bit length)
+   {
+   hash->update(input, length);
+   }
+
+/*************************************************
+* Finalize a HMAC Calculation                    *
+*************************************************/
+void HMAC::final_result(byte mac[])
+   {
+   hash->final(mac);
+   hash->update(o_key);
+   hash->update(mac, OUTPUT_LENGTH);
+   hash->final(mac);
+   hash->update(i_key);
+   }
+
+/*************************************************
+* HMAC Key Schedule                              *
+*************************************************/
+void HMAC::key(const byte key[], u32bit length)
+   {
+   hash->clear();
+   std::fill(i_key.begin(), i_key.end(), 0x36);
+   std::fill(o_key.begin(), o_key.end(), 0x5C);
+
+   if(length > hash->HASH_BLOCK_SIZE)
+      {
+      SecureVector<byte> hmac_key = hash->process(key, length);
+      xor_buf(i_key, hmac_key, hmac_key.size());
+      xor_buf(o_key, hmac_key, hmac_key.size());
+      }
+   else
+      {
+      xor_buf(i_key, key, length);
+      xor_buf(o_key, key, length);
+      }
+
+   hash->update(i_key);
+   }
+
+/*************************************************
+* Clear memory of sensitive data                 *
+*************************************************/
+void HMAC::clear() throw()
+   {
+   hash->clear();
+   i_key.clear();
+   o_key.clear();
+   }
+
+/*************************************************
+* Return the name of this type                   *
+*************************************************/
+std::string HMAC::name() const
+   {
+   return "HMAC(" + hash->name() + ")";
+   }
+
+/*************************************************
+* Return a clone of this object                  *
+*************************************************/
+MessageAuthenticationCode* HMAC::clone() const
+   {
+   return new HMAC(hash->name());
+   }
+
+/*************************************************
+* HMAC Constructor                               *
+*************************************************/
+HMAC::HMAC(const std::string& hash_name) :
+   MessageAuthenticationCode(output_length_of(hash_name),
+                             1, 2*block_size_of(hash_name)),
+   hash(get_hash(hash_name))
+   {
+   if(hash->HASH_BLOCK_SIZE == 0)
+      throw Invalid_Argument("HMAC cannot be used with " + hash->name());
+   i_key.create(hash->HASH_BLOCK_SIZE);
+   o_key.create(hash->HASH_BLOCK_SIZE);
+   }
+
+}
diff --git a/src/mac/hmac/hmac.h b/src/mac/hmac/hmac.h
new file mode 100644
index 000000000..62529cf13
--- /dev/null
+++ b/src/mac/hmac/hmac.h
@@ -0,0 +1,34 @@
+/*************************************************
+* HMAC Header File                               *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_HMAC_H__
+#define BOTAN_HMAC_H__
+
+#include <botan/base.h>
+
+namespace Botan {
+
+/*************************************************
+* HMAC                                           *
+*************************************************/
+class BOTAN_DLL HMAC : public MessageAuthenticationCode
+   {
+   public:
+      void clear() throw();
+      std::string name() const;
+      MessageAuthenticationCode* clone() const;
+      HMAC(const std::string&);
+      ~HMAC() { delete hash; }
+   private:
+      void add_data(const byte[], u32bit);
+      void final_result(byte[]);
+      void key(const byte[], u32bit);
+      HashFunction* hash;
+      SecureVector<byte> i_key, o_key;
+   };
+
+}
+
+#endif
diff --git a/src/mac/hmac/modinfo.txt b/src/mac/hmac/modinfo.txt
new file mode 100644
index 000000000..534d2e036
--- /dev/null
+++ b/src/mac/hmac/modinfo.txt
@@ -0,0 +1,10 @@
+realname "HMAC"
+
+define HMAC
+
+load_on auto
+
+<add>
+hmac.cpp
+hmac.h
+</add>