Move EC_GROUP_check() to ec_lib.c

EC_GROUP_check() is quite simple. It doesn't need to use its own file.

3 files changed, 57 insertions, 115 deletions

diff --git a/lib/libcrypto/Makefile b/lib/libcrypto/Makefile
index d3be27ade1a..6a1d125950e 100644
--- a/lib/libcrypto/Makefile
+++ b/lib/libcrypto/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.213 2024/10/18 11:12:10 tb Exp $
+# $OpenBSD: Makefile,v 1.214 2024/10/19 08:26:03 tb Exp $
 
 LIB=	crypto
 LIBREBUILD=y
@@ -281,7 +281,6 @@ SRCS+= dsa_prn.c
 # ec/
 SRCS+= ec_ameth.c
 SRCS+= ec_asn1.c
-SRCS+= ec_check.c
 SRCS+= ec_curve.c
 SRCS+= ec_err.c
 SRCS+= ec_key.c
diff --git a/lib/libcrypto/ec/ec_check.c b/lib/libcrypto/ec/ec_check.c
deleted file mode 100644
index 0f98ef613c9..00000000000
--- a/lib/libcrypto/ec/ec_check.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* $OpenBSD: ec_check.c,v 1.15 2023/07/07 13:54:45 beck Exp $ */
-/* ====================================================================
- * Copyright (c) 1998-2002 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).
- *
- */
-
-#include "ec_local.h"
-#include <openssl/err.h>
-
-int
-EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx_in)
-{
-	BN_CTX *ctx;
-	EC_POINT *point = NULL;
-	const BIGNUM *order;
-	int ret = 0;
-
-	if ((ctx = ctx_in) == NULL)
-		ctx = BN_CTX_new();
-	if (ctx == NULL)
-		goto err;
-
-	/* check the discriminant */
-	if (!EC_GROUP_check_discriminant(group, ctx)) {
-		ECerror(EC_R_DISCRIMINANT_IS_ZERO);
-		goto err;
-	}
-	/* check the generator */
-	if (group->generator == NULL) {
-		ECerror(EC_R_UNDEFINED_GENERATOR);
-		goto err;
-	}
-	if (EC_POINT_is_on_curve(group, group->generator, ctx) <= 0) {
-		ECerror(EC_R_POINT_IS_NOT_ON_CURVE);
-		goto err;
-	}
-	/* check the order of the generator */
-	if ((point = EC_POINT_new(group)) == NULL)
-		goto err;
-	if ((order = EC_GROUP_get0_order(group)) == NULL)
-		goto err;
-	if (BN_is_zero(order)) {
-		ECerror(EC_R_UNDEFINED_ORDER);
-		goto err;
-	}
-	if (!EC_POINT_mul(group, point, order, NULL, NULL, ctx))
-		goto err;
-	if (EC_POINT_is_at_infinity(group, point) <= 0) {
-		ECerror(EC_R_INVALID_GROUP_ORDER);
-		goto err;
-	}
-
-	ret = 1;
-
- err:
-	if (ctx != ctx_in)
-		BN_CTX_free(ctx);
-
-	EC_POINT_free(point);
-
-	return ret;
-}
-LCRYPTO_ALIAS(EC_GROUP_check);
diff --git a/lib/libcrypto/ec/ec_lib.c b/lib/libcrypto/ec/ec_lib.c
index 0e5897da9da..e17c4396f79 100644
--- a/lib/libcrypto/ec/ec_lib.c
+++ b/lib/libcrypto/ec/ec_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec_lib.c,v 1.70 2024/10/18 10:57:26 tb Exp $ */
+/* $OpenBSD: ec_lib.c,v 1.71 2024/10/19 08:26:03 tb Exp $ */
 /*
  * Originally written by Bodo Moeller for the OpenSSL project.
  */
@@ -602,6 +602,61 @@ EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx_in)
 LCRYPTO_ALIAS(EC_GROUP_check_discriminant);
 
 int
+EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx_in)
+{
+	BN_CTX *ctx;
+	EC_POINT *point = NULL;
+	const BIGNUM *order;
+	int ret = 0;
+
+	if ((ctx = ctx_in) == NULL)
+		ctx = BN_CTX_new();
+	if (ctx == NULL)
+		goto err;
+
+	/* check the discriminant */
+	if (!EC_GROUP_check_discriminant(group, ctx)) {
+		ECerror(EC_R_DISCRIMINANT_IS_ZERO);
+		goto err;
+	}
+	/* check the generator */
+	if (group->generator == NULL) {
+		ECerror(EC_R_UNDEFINED_GENERATOR);
+		goto err;
+	}
+	if (EC_POINT_is_on_curve(group, group->generator, ctx) <= 0) {
+		ECerror(EC_R_POINT_IS_NOT_ON_CURVE);
+		goto err;
+	}
+	/* check the order of the generator */
+	if ((point = EC_POINT_new(group)) == NULL)
+		goto err;
+	if ((order = EC_GROUP_get0_order(group)) == NULL)
+		goto err;
+	if (BN_is_zero(order)) {
+		ECerror(EC_R_UNDEFINED_ORDER);
+		goto err;
+	}
+	if (!EC_POINT_mul(group, point, order, NULL, NULL, ctx))
+		goto err;
+	if (EC_POINT_is_at_infinity(group, point) <= 0) {
+		ECerror(EC_R_INVALID_GROUP_ORDER);
+		goto err;
+	}
+
+	ret = 1;
+
+ err:
+	if (ctx != ctx_in)
+		BN_CTX_free(ctx);
+
+	EC_POINT_free(point);
+
+	return ret;
+}
+LCRYPTO_ALIAS(EC_GROUP_check);
+
+int
 EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx)
 {
 	int r = 0;