1/* 2 * Copyright (c) 2010 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Portions Copyright (c) 2010 Apple Inc. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include <config.h> 37 38 39#include <stdio.h> 40#include <stdlib.h> 41#include <rand.h> 42#include <heim_threads.h> 43 44#include <roken.h> 45 46#include "randi.h" 47 48#if defined(__APPLE_PRIVATE__) && !defined(__APPLE_TARGET_EMBEDDED__) 49 50#include <CommonCrypto/CommonRandomSPI.h> 51 52/* 53 * Unix /dev/random 54 */ 55 56static void 57cc_seed(const void *indata, int size) 58{ 59} 60 61 62static int 63cc_bytes(unsigned char *outdata, int size) 64{ 65 if (CCRandomCopyBytes(kCCRandomDefault, outdata, size) != kCCSuccess) 66 return 0; 67 return 1; 68} 69 70static void 71cc_cleanup(void) 72{ 73} 74 75static void 76cc_add(const void *indata, int size, double entropi) 77{ 78} 79 80static int 81cc_pseudorand(unsigned char *outdata, int size) 82{ 83 return cc_bytes(outdata, size); 84} 85 86static int 87cc_status(void) 88{ 89 return 1; 90} 91 92const RAND_METHOD hc_rand_cc_method = { 93 cc_seed, 94 cc_bytes, 95 cc_cleanup, 96 cc_add, 97 cc_pseudorand, 98 cc_status 99}; 100 101#endif /* __APPLE_PRIVATE__ */ 102 103const RAND_METHOD * 104RAND_cc_method(void) 105{ 106#if defined(__APPLE_PRIVATE__) && !defined(__APPLE_TARGET_EMBEDDED__) 107 return &hc_rand_cc_method; 108#else 109 return NULL; 110#endif 111} 112