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md2.h

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  • Forked from Nettle / nettle
    3663 commits behind the upstream repository.
    md2.h 1.59 KiB
    /* md2.h
     *
     * The MD2 hash function. XXX What RFRC, if any?
     */
    
    /* nettle, low-level cryptographics library
     *
     * Copyright (C) 2003 Niels Mller
     *  
     * The nettle library is free software; you can redistribute it and/or modify
     * it under the terms of the GNU Lesser General Public License as published by
     * the Free Software Foundation; either version 2.1 of the License, or (at your
     * option) any later version.
     * 
     * The nettle library 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 Lesser General Public
     * License for more details.
     * 
     * You should have received a copy of the GNU Lesser General Public License
     * along with the nettle library; see the file COPYING.LIB.  If not, write to
     * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
     * MA 02111-1307, USA.
     */
     
    #ifndef NETTLE_MD2_H_INCLUDED
    #define NETTLE_MD2_H_INCLUDED
    
    #include <inttypes.h>
    
    /* Name mangling */
    #define md2_init nettle_md2_init
    #define md2_update nettle_md2_update
    #define md2_digest nettle_md2_digest
    
    #define MD2_DIGEST_SIZE 16
    #define MD2_DATA_SIZE 16
    
    struct md2_ctx
    {
      uint8_t C[MD2_DATA_SIZE];
      uint8_t X[3 * MD2_DATA_SIZE];
      uint8_t block[MD2_DATA_SIZE]; /* Block buffer */
      unsigned index;               /* Into buffer */
    };
    
    void
    md2_init(struct md2_ctx *ctx);
    
    void
    md2_update(struct md2_ctx *ctx,
    	   unsigned length,
    	   const uint8_t *data);
    
    void
    md2_digest(struct md2_ctx *ctx,
    	   unsigned length,
    	   uint8_t *digest);
    
    
    #endif /* NETTLE_MD2_H_INCLUDED */