Remove the autheticator generation from the SRP code as it's not used

by TLS (relies on the finished message check). Add a class for reading
files created by GnuTLS's srptool.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/constructs/srp6/srp6_files.h b/src/constructs/srp6/srp6_files.h
new file mode 100644
index 000000000..1def0fd51
--- /dev/null
+++ b/src/constructs/srp6/srp6_files.h
@@ -0,0 +1,53 @@
+/*
+* SRP-6a File Handling
+* (C) 2011 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_SRP6A_FILES_H__
+#define BOTAN_SRP6A_FILES_H__
+
+#include <botan/bigint.h>
+#include <string>
+#include <map>
+
+namespace Botan {
+
+/**
+* A GnuTLS compatible SRP6 authenticator file
+*/
+class SRP6_Authenticator_File
+   {
+   public:
+      /**
+      * @param filename will be opened and processed as a SRP
+      * authenticator file
+      */
+      SRP6_Authenticator_File(const std::string& filename);
+
+      bool lookup_user(const std::string& username,
+                       BigInt& v,
+                       MemoryVector<byte>& salt,
+                       std::string& group_id) const;
+   private:
+      struct SRP6_Data
+         {
+         SRP6_Data() {}
+
+         SRP6_Data(const BigInt& v,
+                   const MemoryRegion<byte>& salt,
+                   const std::string& group_id) :
+            v(v), salt(salt), group_id(group_id) {}
+
+         BigInt v;
+         MemoryVector<byte> salt;
+         std::string group_id;
+         };
+
+      std::map<std::string, SRP6_Data> entries;
+   };
+
+}
+
+#endif