105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/****************************************************************************
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* apps/include/netutils/md5.h
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*
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* This file is part of the NuttX RTOS:
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Darcy Gong
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*
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* Reference:
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*
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* This code implements the MD5 message-digest algorithm.
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* The algorithm is due to Ron Rivest. This code was
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* written by Colin Plumb in 1993, no copyright is claimed.
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* This code is in the public domain; do with it what you wish.
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*
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* Equivalent code is available from RSA Data Security, Inc.
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* This code has been tested against that, and is equivalent,
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* except that you don't need to include two pages of legalese
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* with every copy.
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*
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* To compute the message digest of a chunk of bytes, declare an
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* MD5Context structure, pass it to MD5Init, call MD5Update as
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* needed on buffers full of bytes, and then call MD5Final, which
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* will fill a supplied 16-byte array with the digest.
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*
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* See README and COPYING for more details.
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*
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* And is re-released under the NuttX modified BSD license:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_INCLUDE_NETUTILS_MD5_H
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#define __APPS_INCLUDE_NETUTILS_MD5_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_CODECS_HASH_MD5
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct MD5Context
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{
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uint32_t buf[4];
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uint32_t bits[2];
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uint8_t in[64];
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};
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typedef struct MD5Context MD5_CTX;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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void MD5Init(struct MD5Context *context);
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void MD5Update(struct MD5Context *context, unsigned char const *buf,
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unsigned len);
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void MD5Final(unsigned char digest[16], struct MD5Context *context);
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void MD5Transform(uint32_t buf[4], uint32_t const in[16]);
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void md5_sum(const uint8_t *addr, const size_t len, uint8_t *mac);
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char *md5_hash(const uint8_t *addr, const size_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIG_CODECS_HASH_MD5 */
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#endif /* __APPS_INCLUDE_NETUTILS_MD5_H */
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