Make mdx_hash also a module, which most of the hash functions depend on.

Correct the configure program so modules are not autoloaded if their
dependences are not available. (Eg, --no-module=mdx_hash will disable
MD4, MD5, SHA-1, etc rather than cause a compliation failure)

1 files changed, 40 insertions, 0 deletions

diff --git a/src/hash/mdx_hash/mdx_hash.h b/src/hash/mdx_hash/mdx_hash.h
new file mode 100644
index 000000000..84f92493b
--- /dev/null
+++ b/src/hash/mdx_hash/mdx_hash.h
@@ -0,0 +1,40 @@
+/*************************************************
+* MDx Hash Function Header File                  *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_MDX_BASE_H__
+#define BOTAN_MDX_BASE_H__
+
+#include <botan/base.h>
+
+namespace Botan {
+
+/*************************************************
+* MDx Hash Function Base Class                   *
+*************************************************/
+class BOTAN_DLL MDx_HashFunction : public HashFunction
+   {
+   public:
+      MDx_HashFunction(u32bit, u32bit, bool, bool, u32bit = 8);
+      virtual ~MDx_HashFunction() {}
+   protected:
+      void clear() throw();
+      SecureVector<byte> buffer;
+      u64bit count;
+      u32bit position;
+   private:
+      void add_data(const byte[], u32bit);
+      void final_result(byte output[]);
+
+      virtual void hash(const byte[]) = 0;
+      virtual void copy_out(byte[]) = 0;
+      virtual void write_count(byte[]);
+
+      const bool BIG_BYTE_ENDIAN, BIG_BIT_ENDIAN;
+      const u32bit COUNT_SIZE;
+   };
+
+}
+
+#endif