--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nss/lib/freebl/ecl/ec2.h	Mon Jul 28 10:47:06 2014 +0200
@@ -0,0 +1,92 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __ec2_h_
+#define __ec2_h_
+
+#include "ecl-priv.h"
+
+/* Checks if point P(px, py) is at infinity.  Uses affine coordinates. */
+mp_err ec_GF2m_pt_is_inf_aff(const mp_int *px, const mp_int *py);
+
+/* Sets P(px, py) to be the point at infinity.  Uses affine coordinates. */
+mp_err ec_GF2m_pt_set_inf_aff(mp_int *px, mp_int *py);
+
+/* Computes R = P + Q where R is (rx, ry), P is (px, py) and Q is (qx,
+ * qy). Uses affine coordinates. */
+mp_err ec_GF2m_pt_add_aff(const mp_int *px, const mp_int *py,
+						  const mp_int *qx, const mp_int *qy, mp_int *rx,
+						  mp_int *ry, const ECGroup *group);
+
+/* Computes R = P - Q.  Uses affine coordinates. */
+mp_err ec_GF2m_pt_sub_aff(const mp_int *px, const mp_int *py,
+						  const mp_int *qx, const mp_int *qy, mp_int *rx,
+						  mp_int *ry, const ECGroup *group);
+
+/* Computes R = 2P.  Uses affine coordinates. */
+mp_err ec_GF2m_pt_dbl_aff(const mp_int *px, const mp_int *py, mp_int *rx,
+						  mp_int *ry, const ECGroup *group);
+
+/* Validates a point on a GF2m curve. */
+mp_err ec_GF2m_validate_point(const mp_int *px, const mp_int *py, const ECGroup *group);
+
+/* by default, this routine is unused and thus doesn't need to be compiled */
+#ifdef ECL_ENABLE_GF2M_PT_MUL_AFF
+/* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
+ * a, b and p are the elliptic curve coefficients and the irreducible that 
+ * determines the field GF2m.  Uses affine coordinates. */
+mp_err ec_GF2m_pt_mul_aff(const mp_int *n, const mp_int *px,
+						  const mp_int *py, mp_int *rx, mp_int *ry,
+						  const ECGroup *group);
+#endif
+
+/* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
+ * a, b and p are the elliptic curve coefficients and the irreducible that 
+ * determines the field GF2m.  Uses Montgomery projective coordinates. */
+mp_err ec_GF2m_pt_mul_mont(const mp_int *n, const mp_int *px,
+						   const mp_int *py, mp_int *rx, mp_int *ry,
+						   const ECGroup *group);
+
+#ifdef ECL_ENABLE_GF2M_PROJ
+/* Converts a point P(px, py) from affine coordinates to projective
+ * coordinates R(rx, ry, rz). */
+mp_err ec_GF2m_pt_aff2proj(const mp_int *px, const mp_int *py, mp_int *rx,
+						   mp_int *ry, mp_int *rz, const ECGroup *group);
+
+/* Converts a point P(px, py, pz) from projective coordinates to affine
+ * coordinates R(rx, ry). */
+mp_err ec_GF2m_pt_proj2aff(const mp_int *px, const mp_int *py,
+						   const mp_int *pz, mp_int *rx, mp_int *ry,
+						   const ECGroup *group);
+
+/* Checks if point P(px, py, pz) is at infinity.  Uses projective
+ * coordinates. */
+mp_err ec_GF2m_pt_is_inf_proj(const mp_int *px, const mp_int *py,
+							  const mp_int *pz);
+
+/* Sets P(px, py, pz) to be the point at infinity.  Uses projective
+ * coordinates. */
+mp_err ec_GF2m_pt_set_inf_proj(mp_int *px, mp_int *py, mp_int *pz);
+
+/* Computes R = P + Q where R is (rx, ry, rz), P is (px, py, pz) and Q is
+ * (qx, qy, qz).  Uses projective coordinates. */
+mp_err ec_GF2m_pt_add_proj(const mp_int *px, const mp_int *py,
+						   const mp_int *pz, const mp_int *qx,
+						   const mp_int *qy, mp_int *rx, mp_int *ry,
+						   mp_int *rz, const ECGroup *group);
+
+/* Computes R = 2P.  Uses projective coordinates. */
+mp_err ec_GF2m_pt_dbl_proj(const mp_int *px, const mp_int *py,
+						   const mp_int *pz, mp_int *rx, mp_int *ry,
+						   mp_int *rz, const ECGroup *group);
+
+/* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
+ * a, b and p are the elliptic curve coefficients and the prime that
+ * determines the field GF2m.  Uses projective coordinates. */
+mp_err ec_GF2m_pt_mul_proj(const mp_int *n, const mp_int *px,
+						   const mp_int *py, mp_int *rx, mp_int *ry,
+						   const ECGroup *group);
+#endif
+
+#endif							/* __ec2_h_ */