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Unified Diff: openssl/crypto/ec/ec_check.c

Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master
Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago
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Index: openssl/crypto/ec/ec_check.c
diff --git a/openssl/crypto/ec/ec_check.c b/openssl/crypto/ec/ec_check.c
deleted file mode 100644
index 0e316b4b3ff075234fcd62791d2995442710be01..0000000000000000000000000000000000000000
--- a/openssl/crypto/ec/ec_check.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* crypto/ec/ec_check.c */
-/* ====================================================================
- * 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_lcl.h"
-#include <openssl/err.h>
-
-int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx)
- {
- int ret = 0;
- BIGNUM *order;
- BN_CTX *new_ctx = NULL;
- EC_POINT *point = NULL;
-
- if (ctx == NULL)
- {
- ctx = new_ctx = BN_CTX_new();
- if (ctx == NULL)
- {
- ECerr(EC_F_EC_GROUP_CHECK, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
- BN_CTX_start(ctx);
- if ((order = BN_CTX_get(ctx)) == NULL) goto err;
-
- /* check the discriminant */
- if (!EC_GROUP_check_discriminant(group, ctx))
- {
- ECerr(EC_F_EC_GROUP_CHECK, EC_R_DISCRIMINANT_IS_ZERO);
- goto err;
- }
-
- /* check the generator */
- if (group->generator == NULL)
- {
- ECerr(EC_F_EC_GROUP_CHECK, EC_R_UNDEFINED_GENERATOR);
- goto err;
- }
- if (!EC_POINT_is_on_curve(group, group->generator, ctx))
- {
- ECerr(EC_F_EC_GROUP_CHECK, 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 (!EC_GROUP_get_order(group, order, ctx)) goto err;
- if (BN_is_zero(order))
- {
- ECerr(EC_F_EC_GROUP_CHECK, 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))
- {
- ECerr(EC_F_EC_GROUP_CHECK, EC_R_INVALID_GROUP_ORDER);
- goto err;
- }
-
- ret = 1;
-
-err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
- if (new_ctx != NULL)
- BN_CTX_free(new_ctx);
- if (point)
- EC_POINT_free(point);
- return ret;
- }
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