1 files changed, 18 insertions, 1 deletions
diff --git a/lang/cpp/src/gpggencardkeyinteractor.h b/lang/cpp/src/gpggencardkeyinteractor.h
index 3d9c713..09a73b6 100644
--- a/lang/cpp/src/gpggencardkeyinteractor.h
+++ b/lang/cpp/src/gpggencardkeyinteractor.h
@@ -58,10 +58,27 @@ public:
 
     enum Algo {
         RSA = 1,
-        ECC = 2
+        ECC = 2,
     };
     void setAlgo(Algo algo);
 
+    // the enum values minus 1 have to match the indexes of the curves used by
+    // ask_curve() in gnupg's g10/keygen.c
+    enum Curve {
+        DefaultCurve = 0, // currently Curve25519
+        Curve25519 = 1,
+        Curve448,
+        NISTP256,
+        NISTP384,
+        NISTP521,
+        BrainpoolP256,
+        BrainpoolP384,
+        BrainpoolP512,
+        Secp256k1,
+        LastCurve = Secp256k1,
+    };
+    void setCurve(Curve curve);
+
     std::string backupFileName() const;
 
 private: