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/************************************************

  digest.h - header file for ruby digest modules

  $Author: nobu $
  created at: Fri May 25 08:54:56 JST 2001


  Copyright (C) 2001-2006 Akinori MUSHA

  $RoughId: digest.h,v 1.3 2001/07/13 15:38:27 knu Exp $
  $Id: digest.h 46826 2014-07-15 14:58:53Z nobu $

************************************************/

#include "ruby.h"

#define RUBY_DIGEST_API_VERSION	3

typedef int (*rb_digest_hash_init_func_t)(void *);
typedef void (*rb_digest_hash_update_func_t)(void *, unsigned char *, size_t);
typedef int (*rb_digest_hash_finish_func_t)(void *, unsigned char *);

typedef struct {
    int api_version;
    size_t digest_len;
    size_t block_len;
    size_t ctx_size;
    rb_digest_hash_init_func_t init_func;
    rb_digest_hash_update_func_t update_func;
    rb_digest_hash_finish_func_t finish_func;
} rb_digest_metadata_t;