--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/security/ec/ec2.h Tue Aug 11 16:52:26 2009 +0100
@@ -0,0 +1,146 @@
+/* *********************************************************************
+ *
+ * Sun elects to have this file available under and governed by the
+ * Mozilla Public License Version 1.1 ("MPL") (see
+ * http://www.mozilla.org/MPL/ for full license text). For the avoidance
+ * of doubt and subject to the following, Sun also elects to allow
+ * licensees to use this file under the MPL, the GNU General Public
+ * License version 2 only or the Lesser General Public License version
+ * 2.1 only. Any references to the "GNU General Public License version 2
+ * or later" or "GPL" in the following shall be construed to mean the
+ * GNU General Public License version 2 only. Any references to the "GNU
+ * Lesser General Public License version 2.1 or later" or "LGPL" in the
+ * following shall be construed to mean the GNU Lesser General Public
+ * License version 2.1 only. However, the following notice accompanied
+ * the original version of this file:
+ *
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the elliptic curve math library for binary polynomial field curves.
+ *
+ * The Initial Developer of the Original Code is
+ * Sun Microsystems, Inc.
+ * Portions created by the Initial Developer are Copyright (C) 2003
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ *********************************************************************** */
+/*
+ * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _EC2_H
+#define _EC2_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#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 */