pineapple-src/externals/mbedtls/doxygen/input/doc_hashing.h
2021-03-06 01:41:47 +01:00

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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.
*/