Be safer with how we handle ltc_ecc_sets[] (particularly with

system libtomcrypt)

A bit of progress with ecdsa code

--HG--
branch : ecc

1 files changed, 7 insertions, 3 deletions

diff --git a/ecc.h b/ecc.h
index 35775d8..7791a70 100644
--- a/ecc.h
+++ b/ecc.h
@@ -9,14 +9,18 @@
 #ifdef DROPBEAR_ECC
 
 struct dropbear_ecc_curve {
+	int ltc_size; // to match the byte sizes in ltc_ecc_sets[]
 	const ltc_ecc_set_type *dp; // curve domain parameters
 	const struct ltc_hash_descriptor *hashdesc;
 	const char *name;
 };
 
-extern const struct dropbear_ecc_curve ecc_curve_nistp256;
-extern const struct dropbear_ecc_curve ecc_curve_nistp384;
-extern const struct dropbear_ecc_curve ecc_curve_nistp521;
+extern struct dropbear_ecc_curve ecc_curve_nistp256;
+extern struct dropbear_ecc_curve ecc_curve_nistp384;
+extern struct dropbear_ecc_curve ecc_curve_nistp521;
+extern struct dropbear_ecc_curve *dropbear_ecc_curves[];
+
+void dropbear_ecc_fill_dp();
 
 // "pubkey" refers to a point, but LTC uses ecc_key structure for both public
 // and private keys