X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=crypto%2Flibeddsa%2Flib%2Fed.h;fp=crypto%2Flibeddsa%2Flib%2Fed.h;h=285040ac4394f93bb20fbbd716439e7f21b933d4;hb=7bfbc0423ba40ea5156e06c8fb62bacd5ea93390;hp=0000000000000000000000000000000000000000;hpb=2ae349f5ed63b026cff763b35984dd36b330870a;p=zpackage

diff --git a/crypto/libeddsa/lib/ed.h b/crypto/libeddsa/lib/ed.h
new file mode 100644
index 0000000..285040a
--- /dev/null
+++ b/crypto/libeddsa/lib/ed.h
@@ -0,0 +1,29 @@
+#ifndef ED_H
+#define ED_H
+
+#include <stdint.h>
+
+#include "fld.h"
+#include "sc.h"
+
+
+/* (x,y,z) are the projective points on our curve E and t = x*y is an
+ * auxiliary coordinate (see [2], ch. 3).
+ */
+struct ed {
+	fld_t		x;
+	fld_t		y;
+	fld_t		t;
+	fld_t		z;
+};
+
+
+void	ed_export(uint8_t out[32], const struct ed *P);
+void	ed_import(struct ed *P, const uint8_t in[32]);
+
+void	ed_scale_base(struct ed *res, const sc_t x);
+
+void	ed_dual_scale(struct ed *R, const sc_t x,
+		      const sc_t y, const struct ed *Q);
+
+#endif