]> git.ipfire.org Git - thirdparty/openssl.git/blobdiff - crypto/ec/ec_oct.c
Fix external symbols related to ec & sm2 keys
[thirdparty/openssl.git] / crypto / ec / ec_oct.c
index d6bb62af1572172ac5efcad03ae875689b9096b8..cb9352d639154be42105f137eca57a127e5efbc4 100644 (file)
 /*
- * Originally written by Bodo Moeller for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2011-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
  *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * Binary polynomial ECC support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+
+/*
+ * ECDSA low level APIs are deprecated for public use, but still ok for
+ * internal use.
  */
+#include "internal/deprecated.h"
 
 #include <string.h>
 
 #include <openssl/err.h>
 #include <openssl/opensslv.h>
 
-#include "ec_lcl.h"
+#include "ec_local.h"
 
-int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
-                                            EC_POINT *point, const BIGNUM *x,
-                                            int y_bit, BN_CTX *ctx)
+int EC_POINT_set_compressed_coordinates(const EC_GROUP *group, EC_POINT *point,
+                                        const BIGNUM *x, int y_bit, BN_CTX *ctx)
 {
-    if (group->meth->point_set_compressed_coordinates == 0
+    if (group->meth->point_set_compressed_coordinates == NULL
         && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
-        ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP,
-              ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+        ERR_raise(ERR_LIB_EC, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
         return 0;
     }
-    if (group->meth != point->meth) {
-        ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP,
-              EC_R_INCOMPATIBLE_OBJECTS);
+    if (!ec_point_is_compat(point, group)) {
+        ERR_raise(ERR_LIB_EC, EC_R_INCOMPATIBLE_OBJECTS);
         return 0;
     }
     if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
         if (group->meth->field_type == NID_X9_62_prime_field)
-            return ec_GFp_simple_set_compressed_coordinates(group, point, x,
-                                                            y_bit, ctx);
+            return ossl_ec_GFp_simple_set_compressed_coordinates(group, point, x,
+                                                                 y_bit, ctx);
         else
 #ifdef OPENSSL_NO_EC2M
         {
-            ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP,
-                  EC_R_GF2M_NOT_SUPPORTED);
+            ERR_raise(ERR_LIB_EC, EC_R_GF2M_NOT_SUPPORTED);
             return 0;
         }
 #else
-            return ec_GF2m_simple_set_compressed_coordinates(group, point, x,
-                                                             y_bit, ctx);
+            return ossl_ec_GF2m_simple_set_compressed_coordinates(group, point,
+                                                                  x, y_bit, ctx);
 #endif
     }
     return group->meth->point_set_compressed_coordinates(group, point, x,
                                                          y_bit, ctx);
 }
 
-#ifndef OPENSSL_NO_EC2M
+#ifndef OPENSSL_NO_DEPRECATED_3_0
+int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
+                                            EC_POINT *point, const BIGNUM *x,
+                                            int y_bit, BN_CTX *ctx)
+{
+    return EC_POINT_set_compressed_coordinates(group, point, x, y_bit, ctx);
+}
+
+# ifndef OPENSSL_NO_EC2M
 int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
                                              EC_POINT *point, const BIGNUM *x,
                                              int y_bit, BN_CTX *ctx)
 {
-    if (group->meth->point_set_compressed_coordinates == 0
-        && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
-        ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M,
-              ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
-        return 0;
-    }
-    if (group->meth != point->meth) {
-        ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M,
-              EC_R_INCOMPATIBLE_OBJECTS);
-        return 0;
-    }
-    if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
-        if (group->meth->field_type == NID_X9_62_prime_field)
-            return ec_GFp_simple_set_compressed_coordinates(group, point, x,
-                                                            y_bit, ctx);
-        else
-            return ec_GF2m_simple_set_compressed_coordinates(group, point, x,
-                                                             y_bit, ctx);
-    }
-    return group->meth->point_set_compressed_coordinates(group, point, x,
-                                                         y_bit, ctx);
+    return EC_POINT_set_compressed_coordinates(group, point, x, y_bit, ctx);
 }
+# endif
 #endif
 
 size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,
@@ -137,25 +76,26 @@ size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,
 {
     if (group->meth->point2oct == 0
         && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
-        ECerr(EC_F_EC_POINT_POINT2OCT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+        ERR_raise(ERR_LIB_EC, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
         return 0;
     }
-    if (group->meth != point->meth) {
-        ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_INCOMPATIBLE_OBJECTS);
+    if (!ec_point_is_compat(point, group)) {
+        ERR_raise(ERR_LIB_EC, EC_R_INCOMPATIBLE_OBJECTS);
         return 0;
     }
     if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
         if (group->meth->field_type == NID_X9_62_prime_field)
-            return ec_GFp_simple_point2oct(group, point, form, buf, len, ctx);
+            return ossl_ec_GFp_simple_point2oct(group, point, form, buf, len,
+                                                ctx);
         else
 #ifdef OPENSSL_NO_EC2M
         {
-            ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_GF2M_NOT_SUPPORTED);
+            ERR_raise(ERR_LIB_EC, EC_R_GF2M_NOT_SUPPORTED);
             return 0;
         }
 #else
-            return ec_GF2m_simple_point2oct(group, point,
-                                            form, buf, len, ctx);
+            return ossl_ec_GF2m_simple_point2oct(group, point,
+                                                 form, buf, len, ctx);
 #endif
     }
 
@@ -167,24 +107,24 @@ int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,
 {
     if (group->meth->oct2point == 0
         && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
-        ECerr(EC_F_EC_POINT_OCT2POINT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+        ERR_raise(ERR_LIB_EC, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
         return 0;
     }
-    if (group->meth != point->meth) {
-        ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_INCOMPATIBLE_OBJECTS);
+    if (!ec_point_is_compat(point, group)) {
+        ERR_raise(ERR_LIB_EC, EC_R_INCOMPATIBLE_OBJECTS);
         return 0;
     }
     if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
         if (group->meth->field_type == NID_X9_62_prime_field)
-            return ec_GFp_simple_oct2point(group, point, buf, len, ctx);
+            return ossl_ec_GFp_simple_oct2point(group, point, buf, len, ctx);
         else
 #ifdef OPENSSL_NO_EC2M
         {
-            ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_GF2M_NOT_SUPPORTED);
+            ERR_raise(ERR_LIB_EC, EC_R_GF2M_NOT_SUPPORTED);
             return 0;
         }
 #else
-            return ec_GF2m_simple_oct2point(group, point, buf, len, ctx);
+            return ossl_ec_GF2m_simple_oct2point(group, point, buf, len, ctx);
 #endif
     }
     return group->meth->oct2point(group, point, buf, len, ctx);
@@ -196,12 +136,14 @@ size_t EC_POINT_point2buf(const EC_GROUP *group, const EC_POINT *point,
 {
     size_t len;
     unsigned char *buf;
+
     len = EC_POINT_point2oct(group, point, form, NULL, 0, NULL);
     if (len == 0)
         return 0;
-    buf = OPENSSL_malloc(len);
-    if (buf == NULL)
+    if ((buf = OPENSSL_malloc(len)) == NULL) {
+        ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE);
         return 0;
+    }
     len = EC_POINT_point2oct(group, point, form, buf, len, ctx);
     if (len == 0) {
         OPENSSL_free(buf);