libjava/gnu/gcj/io/shs.h

   1 /* --------------------------------- SHS.H ------------------------------- */
   2
   3 /*
   4  * NIST proposed Secure Hash Standard.
   5  *
   6  * Written 2 September 1992, Peter C. Gutmann.
   7  * This implementation placed in the public domain.
   8  *
   9  * Comments to pgut1@cs.aukuni.ac.nz
  10  */
  11
  12 /* Useful defines/typedefs */
  13
  14 #ifndef SHS_H
  15 #define SHS_H
  16
  17 #include<config.h>
  18 #if HAVE_INTTYPES_H
  19 # include <inttypes.h>
  20 #else
  21 # if HAVE_STDINT_H
  22 #  include <stdint.h>
  23 # else
  24 typedef unsigned int uint8_t __attribute__((mode(QI)));
  25 /* This is a blatant hack: on Solaris 2.5, pthread.h defines uint32_t
  26    in pthread.h, which we sometimes include.  We protect our
  27    definition the same way Solaris 2.5 does, to avoid redefining it.  */
  28 #  ifndef _UINT32_T
  29 typedef unsigned int uint32_t __attribute__((mode(SI)));
  30 #  endif
  31 # endif
  32 #endif
  33
  34 #define PROTO
  35
  36 /* The SHS block size and message digest sizes, in bytes */
  37
  38 #define SHS_BLOCKSIZE   64
  39 #define SHS_DIGESTSIZE  20
  40
  41 /* The structure for storing SHS info */
  42
  43 typedef struct {
  44        uint32_t digest [5];    /* Message digest */
  45        uint32_t countLo, countHi;      /* 64-bit bit count */
  46        uint32_t data [16];             /* SHS data buffer */
  47 } SHS_INFO;
  48
  49 /* Turn off prototypes if requested */
  50 #if (defined(NOPROTO) && defined(PROTO))
  51 #       undef PROTO
  52 #endif
  53
  54 /* Used to remove arguments in function prototypes for non-ANSI C */
  55 #ifdef PROTO
  56 #       define OF(a) a
  57 #else   /* !PROTO */
  58 #       define OF(a) ()
  59 #endif  /* ?PROTO */
  60
  61 #define local   static
  62
  63 void shsInit OF((SHS_INFO *shsInfo));
  64 void shsUpdate OF((SHS_INFO *shsInfo, uint8_t *buffer, int count));
  65 void shsFinal OF((SHS_INFO *shsInfo));
  66
  67 #endif