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- /**
- * \file doc_hashing.h
- *
- * \brief Hashing module documentation file.
- */
- /*
- *
- * Copyright The Mbed TLS Contributors
- * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- *
- * This file is provided under the Apache License 2.0, or the
- * GNU General Public License v2.0 or later.
- *
- * **********
- * Apache License 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.
- *
- * **********
- *
- * **********
- * GNU General Public License v2.0 or later:
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * **********
- */
- /**
- * @addtogroup hashing_module Hashing module
- *
- * The Message Digest (MD) or Hashing module provides one-way hashing
- * functions. Such functions can be used for creating a hash message
- * authentication code (HMAC) when sending a message. Such a HMAC can be used
- * in combination with a private key for authentication, which is a message
- * integrity control.
- *
- * All hash algorithms can be accessed via the generic MD layer (see
- * \c mbedtls_md_setup())
- *
- * The following hashing-algorithms are provided:
- * - MD2, MD4, MD5 128-bit one-way hash functions by Ron Rivest.
- * - SHA-1, SHA-256, SHA-384/512 160-bit or more one-way hash functions by
- * NIST and NSA.
- *
- * This module provides one-way hashing which can be used for authentication.
- */
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