Fix Clang specialization and definition warnings (GH #300, GH #533)

Clang 3.8 and above generates lots of "'PKCS_DigestDecoration<SHA1>::decoration' required here, but no definition is available" warnings

1 files changed, 10 insertions, 0 deletions

diff --git a/emsa2.h b/emsa2.h
index 3a9efb07..8dc5da20 100644
--- a/emsa2.h
+++ b/emsa2.h
@@ -58,6 +58,16 @@ CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA384>;
 CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA512>;

 #endif

 

+// https://github.com/weidai11/cryptopp/issues/300 and

+// https://github.com/weidai11/cryptopp/issues/533

+#if defined(__clang__)

+template<> const byte EMSA2HashId<SHA1>::id;

+template<> const byte EMSA2HashId<SHA224>::id;

+template<> const byte EMSA2HashId<SHA256>::id;

+template<> const byte EMSA2HashId<SHA384>::id;

+template<> const byte EMSA2HashId<SHA512>::id;

+#endif

+

 /// \class EMSA2Pad

 /// \brief EMSA2 padding method

 /// \since Crypto++ 5.0