libs/random128/random128.h

   1 #ifndef random128_h
   2 #define random128_h
   3
   4 /*
   5 ** Copyright 1998 - 2002 Double Precision, Inc.
   6 ** See COPYING for distribution information.
   7 */
   8
   9 #ifdef  __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 /*
  14         random128 returns 128 random bits from the entropy.  random128
  15         returns a pointer to 32 hexadecimal uppercase nibbles, all total
  16         being 128 bits.
  17 */
  18
  19 const char *random128();
  20
  21 /*
  22         random128_alpha does the same thing, except that the return
  23         string contains uppercase alphabetic letters only (letters 'A'
  24         through 'P').
  25 */
  26
  27 const char *random128_alpha();
  28
  29 /*
  30 ** random128_bin(), saves the 128 random bits in 16 bytes.
  31 */
  32
  33 typedef unsigned char random128binbuf[16];
  34
  35 void random128_binary(random128binbuf *);
  36
  37 #ifdef  __cplusplus
  38 }
  39 #endif
  40
  41 #endif