1 files changed, 63 insertions, 0 deletions
diff --git a/botan/src/pubkey/dsa/dsa_core.cpp b/botan/src/pubkey/dsa/dsa_core.cpp
new file mode 100644
index 0000000..e5a23a5
--- /dev/null
+++ b/botan/src/pubkey/dsa/dsa_core.cpp
@@ -0,0 +1,63 @@
+/*
+* DSA Core
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/dsa_core.h>
+#include <botan/numthry.h>
+#include <botan/pk_engine.h>
+#include <botan/parsing.h>
+#include <algorithm>
+
+namespace Botan {
+
+/*
+* DSA_Core Constructor
+*/
+DSA_Core::DSA_Core(const DL_Group& group, const BigInt& y, const BigInt& x)
+   {
+   op = Engine_Core::dsa_op(group, y, x);
+   }
+
+/*
+* DSA_Core Copy Constructor
+*/
+DSA_Core::DSA_Core(const DSA_Core& core)
+   {
+   op = 0;
+   if(core.op)
+      op = core.op->clone();
+   }
+
+/*
+* DSA_Core Assignment Operator
+*/
+DSA_Core& DSA_Core::operator=(const DSA_Core& core)
+   {
+   delete op;
+   if(core.op)
+      op = core.op->clone();
+   return (*this);
+   }
+
+/*
+* DSA Verification Operation
+*/
+bool DSA_Core::verify(const byte msg[], u32bit msg_length,
+                      const byte sig[], u32bit sig_length) const
+   {
+   return op->verify(msg, msg_length, sig, sig_length);
+   }
+
+/*
+* DSA Signature Operation
+*/
+SecureVector<byte> DSA_Core::sign(const byte in[], u32bit length,
+                                  const BigInt& k) const
+   {
+   return op->sign(in, length, k);
+   }
+
+}