include/sys/md5.h

   1 /*
   2  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5
   6 /*
   7  * Cleaned up version of the md5.h header file from RFC 1321.
   8  */
   9
  10 /*
  11  * MD5.H - header file for MD5C.C
  12  */
  13
  14 /*
  15  * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
  16  * rights reserved.
  17  *
  18  * License to copy and use this software is granted provided that it
  19  * is identified as the "RSA Data Security, Inc. MD5 Message-Digest
  20  * Algorithm" in all material mentioning or referencing this software
  21  * or this function.
  22  *
  23  * License is also granted to make and use derivative works provided
  24  * that such works are identified as "derived from the RSA Data
  25  * Security, Inc. MD5 Message-Digest Algorithm" in all material
  26  * mentioning or referencing the derived work.
  27  *
  28  * RSA Data Security, Inc. makes no representations concerning either
  29  * the merchantability of this software or the suitability of this
  30  * software for any particular purpose. It is provided "as is"
  31  * without express or implied warranty of any kind.
  32  *
  33  * These notices must be retained in any copies of any part of this
  34  * documentation and/or software.
  35  */
  36
  37 #ifndef _SYS_MD5_H
  38 #define _SYS_MD5_H
  39
  40 #include <sys/types.h>          /* for uint_* */
  41
  42 /*
  43  * Definitions for MD5 hashing functions, conformant to RFC 1321
  44  */
  45
  46 #ifdef  __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 #define MD5_DIGEST_LENGTH       16
  51
  52 /* MD5 context. */
  53 typedef struct  {
  54         uint32_t state[4];      /* state (ABCD) */
  55         uint32_t count[2];      /* number of bits, modulo 2^64 (lsb first) */
  56         union   {
  57                 uint8_t         buf8[64];       /* undigested input */
  58                 uint32_t        buf32[16];      /* realigned input */
  59         } buf_un;
  60 } MD5_CTX;
  61
  62 void MD5Init(MD5_CTX *);
  63 void MD5Update(MD5_CTX *, const void *, unsigned int);
  64 void MD5Final(void *, MD5_CTX *);
  65
  66 #ifdef  __cplusplus
  67 }
  68 #endif
  69
  70 #endif /* _SYS_MD5_H */