Interesting factoid, turns out that overloading std::swap is not

allowed by the standard, however specializing it is. Fix this for
BigInt; it appears the Flexsecure guys knew this since the CurveGFp
and PointGFp classes already uses the template specialization rather
than an overload.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/math/bigint/bigint.h b/src/math/bigint/bigint.h
index a3a079dcc..64bf20068 100644
--- a/src/math/bigint/bigint.h
+++ b/src/math/bigint/bigint.h
@@ -536,7 +536,11 @@ BOTAN_DLL std::istream& operator>>(std::istream&, BigInt&);
 
 namespace std {
 
-inline void swap(Botan::BigInt& a, Botan::BigInt& b) { a.swap(b); }
+template<>
+inline void swap(Botan::BigInt& x, Botan::BigInt& y)
+   {
+   x.swap(y);
+   }
 
 }