[feat][mbedtls] add mbedtls component

components/mbedtls/library/ecp_invasive.h

@@ -0,0 +1,51 @@
+/**
+ * \file ecp_invasive.h
+ *
+ * \brief ECP module: interfaces for invasive testing only.
+ *
+ * The interfaces in this file are intended for testing purposes only.
+ * They SHOULD NOT be made available in library integrations except when
+ * building the library for testing.
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+#ifndef MBEDTLS_ECP_INVASIVE_H
+#define MBEDTLS_ECP_INVASIVE_H
+
+#include "common.h"
+#include "mbedtls/ecp.h"
+
+#if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_ECP_C)
+
+#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) || \
+    defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) || \
+    defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
+/* Preconditions:
+        *   - bits is a multiple of 64 or is 224
+        *   - c is -1 or -2
+        *   - 0 <= N < 2^bits
+        *   - N has room for bits plus one limb
+        *
+        * Behavior:
+        * Set N to c * 2^bits + old_value_of_N.
+        */
+void mbedtls_ecp_fix_negative(mbedtls_mpi *N, signed char c, size_t bits);
+#endif
+
+#endif /* MBEDTLS_TEST_HOOKS && MBEDTLS_ECP_C */
+
+#endif /* MBEDTLS_ECP_INVASIVE_H */