EXTERNAL_HEADERS/corecrypto/ccrng_system.h

   1 /*
   2  *  ccrng_system.h
   3  *  corecrypto
   4  *
   5  *  Created on 12/13/2010
   6  *
   7  *  Copyright (c) 2010,2013,2014,2015 Apple Inc. All rights reserved.
   8  *
   9  */
  10
  11 #ifndef _CORECRYPTO_CCRNG_SYSTEM_H_
  12 #define _CORECRYPTO_CCRNG_SYSTEM_H_
  13
  14 #include <corecrypto/ccrng.h>
  15
  16 struct ccrng_system_state {
  17     CCRNG_STATE_COMMON
  18     int fd;
  19 };
  20
  21 // Setup the system RNG (open descriptor on file /dev/random)
  22 int ccrng_system_init(struct ccrng_system_state *rng);
  23
  24 // Close the system RNG
  25 // Mandatory step to avoid leaking file descriptor
  26 void ccrng_system_done(struct ccrng_system_state *rng);
  27
  28 #endif /* _CORECRYPTO_CCRNG_SYSTEM_H_ */