EXTERNAL_HEADERS/corecrypto/ccrng.h

   1 /*
   2  *  ccrng.h
   3  *  corecrypto
   4  *
   5  *  Created on 12/13/2010
   6  *
   7  *  Copyright (c) 2010,2011,2013,2014,2015 Apple Inc. All rights reserved.
   8  *
   9  */
  10
  11 #ifndef _CORECRYPTO_CCRNG_H_
  12 #define _CORECRYPTO_CCRNG_H_
  13
  14 #include <stdint.h>
  15
  16 #include <corecrypto/cc.h>
  17
  18 #define CC_ERR_DEVICE                   -100
  19 #define CC_ERR_INTERUPTS                -101
  20 #define CC_ERR_CRYPTO_CONFIG            -102
  21 #define CC_ERR_PERMS                    -103
  22 #define CC_ERR_PARAMETER                -104
  23 #define CC_ERR_MEMORY                   -105
  24 #define CC_ERR_FILEDESC                 -106
  25 #define CC_ERR_OUT_OF_ENTROPY           -107
  26 #define CC_ERR_INTERNAL                 -108
  27 #define CC_ERR_ATFORK                   -109
  28 #define CC_ERR_OVERFLOW                 -110
  29
  30 #define CCRNG_STATE_COMMON                                                          \
  31     int (*generate)(struct ccrng_state *rng, size_t outlen, void *out);
  32
  33 /* Get a pointer to a ccrng has never been simpler! Just call this */
  34 struct ccrng_state *ccrng(int *error);
  35
  36 /* default state structure - do not instantiate, instead use the specific one you need */
  37 struct ccrng_state {
  38     CCRNG_STATE_COMMON
  39 };
  40
  41 #define ccrng_generate(ctx, outlen, out) ((ctx)->generate((ctx), (outlen), (out)))
  42
  43 #endif /* _CORECRYPTO_CCRNG_H_ */