Add ECKCDSA signature algorithm

1 files changed, 12 insertions, 1 deletions

diff --git a/src/lib/pk_pad/emsa.h b/src/lib/pk_pad/emsa.h
index d4fd146da..f4697d100 100644
--- a/src/lib/pk_pad/emsa.h
+++ b/src/lib/pk_pad/emsa.h
@@ -59,16 +59,27 @@ class BOTAN_DLL EMSA
                           size_t key_bits) = 0;
 
       virtual ~EMSA();
+
+      virtual EMSA* clone() = 0;
    };
 
 /**
 * Factory method for EMSA (message-encoding methods for signatures
 * with appendix) objects
-* @param algo_spec the name of the EME to create
+* @param algo_spec the name of the EMSA to create
 * @return pointer to newly allocated object of that type
 */
 BOTAN_DLL EMSA* get_emsa(const std::string& algo_spec);
 
+/**
+* Returns the hash function used in the given EMSA scheme
+* If the hash function is not specified or not understood,
+* returns "SHA-512"
+* @param algo_spec the name of the EMSA
+* @return hash function used in the given EMSA scheme
+*/
+BOTAN_DLL std::string hash_for_emsa(const std::string& algo_spec);
+
 }
 
 #endif