FreeBSD/Linux Kernel Cross Reference
sys/crypto/sha2/sha224.h

     /*-
      * Copyright 2005 Colin Percival
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS 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 AUTHOR OR 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _SHA224_H_
    #define _SHA224_H_
    
    #ifndef _KERNEL
    #include <sys/types.h>
    #endif
    
    #define SHA224_BLOCK_LENGTH             64
    #define SHA224_DIGEST_LENGTH            28
    #define SHA224_DIGEST_STRING_LENGTH     (SHA224_DIGEST_LENGTH * 2 + 1)
    
    typedef struct SHA224Context {
            uint32_t state[8];
            uint64_t count;
            uint8_t buf[SHA224_BLOCK_LENGTH];
    } SHA224_CTX;
    
    __BEGIN_DECLS
    
    /* Ensure libmd symbols do not clash with libcrypto */
    
    #ifndef SHA224_Init
    #define SHA224_Init             _libmd_SHA224_Init
    #endif
    #ifndef SHA224_Update
    #define SHA224_Update           _libmd_SHA224_Update
    #endif
    #ifndef SHA224_Final
    #define SHA224_Final            _libmd_SHA224_Final
    #endif
    #ifndef SHA224_End
    #define SHA224_End              _libmd_SHA224_End
    #endif
    #ifndef SHA224_Fd
    #define SHA224_Fd               _libmd_SHA224_Fd
    #endif
    #ifndef SHA224_FdChunk
    #define SHA224_FdChunk          _libmd_SHA224_FdChunk
    #endif
    #ifndef SHA224_File
    #define SHA224_File             _libmd_SHA224_File
    #endif
    #ifndef SHA224_FileChunk
    #define SHA224_FileChunk        _libmd_SHA224_FileChunk
    #endif
    #ifndef SHA224_Data
    #define SHA224_Data             _libmd_SHA224_Data
    #endif
    
    #ifndef SHA224_version
    #define SHA224_version          _libmd_SHA224_version
    #endif
    
    void    SHA224_Init(SHA224_CTX *);
    void    SHA224_Update(SHA224_CTX *, const void *, size_t);
    void    SHA224_Final(unsigned char [__min_size(SHA224_DIGEST_LENGTH)],
        SHA224_CTX *);
    #ifndef _KERNEL
    char   *SHA224_End(SHA224_CTX *, char *);
    char   *SHA224_Data(const void *, unsigned int, char *);
    char   *SHA224_Fd(int, char *);
    char   *SHA224_FdChunk(int, char *, off_t, off_t);
    char   *SHA224_File(const char *, char *);
    char   *SHA224_FileChunk(const char *, char *, off_t, off_t);
    #endif
    __END_DECLS
    
    #endif /* !_SHA224_H_ */

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