kc3-lang/kc3/libc3/hash.c

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• Hash : 0b5042ee
  Author : Thomas de Grivel
  Date : 2022-12-25T03:59:33
  

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• libc3/hash.c

• /* c3
   * Copyright 2022 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software excepted
   * on Apple computers granted the above copyright notice and
   * this permission paragraph are included in all copies and
   * substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #include <assert.h>
  #include <err.h>
  #include <stdlib.h>
  #include "hash.h"
  #include "str.h"
  
  t_hash_context * hash_init (t_hash_context *context)
  {
    assert(context);
    SHA1Init(context);
    return context;
  }
  
  t_hash_context * hash_update (t_hash_context *context,
                                const void *data, uw size)
  {
    assert(context);
    assert(data);
    SHA1Update(context, data, size);
    return context;
  }
  
  uw hash_result (t_hash_context *context)
  {
    u8 digest[SHA1_DIGEST_LENGTH];
    SHA1Final(digest, context);
    return *((uw *) digest);
  }
  
  u64 hash_result_u64 (t_hash_context *context)
  {
    u8 digest[SHA1_DIGEST_LENGTH];
    SHA1Final(digest, context);
    return *((u64 *) digest);
  }
  

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