1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef APR_RANDOM_H
#define APR_RANDOM_H
#include <apr_pools.h>
typedef struct apr_crypto_hash_t apr_crypto_hash_t;
typedef void apr_crypto_hash_init_t(apr_crypto_hash_t *hash);
typedef void apr_crypto_hash_add_t(apr_crypto_hash_t *hash,const void *data,
apr_size_t bytes);
typedef void apr_crypto_hash_finish_t(apr_crypto_hash_t *hash,
unsigned char *result);
/* FIXME: make this opaque */
struct apr_crypto_hash_t {
apr_crypto_hash_init_t *init;
apr_crypto_hash_add_t *add;
apr_crypto_hash_finish_t *finish;
apr_size_t size;
void *data;
};
APR_DECLARE(apr_crypto_hash_t *) apr_crypto_sha256_new(apr_pool_t *p);
typedef struct apr_random_t apr_random_t;
APR_DECLARE(void) apr_random_init(apr_random_t *g,apr_pool_t *p,
apr_crypto_hash_t *pool_hash,
apr_crypto_hash_t *key_hash,
apr_crypto_hash_t *prng_hash);
APR_DECLARE(apr_random_t *) apr_random_standard_new(apr_pool_t *p);
APR_DECLARE(void) apr_random_add_entropy(apr_random_t *g,
const void *entropy_,
apr_size_t bytes);
APR_DECLARE(apr_status_t) apr_random_insecure_bytes(apr_random_t *g,
void *random,
apr_size_t bytes);
APR_DECLARE(apr_status_t) apr_random_secure_bytes(apr_random_t *g,
void *random,
apr_size_t bytes);
APR_DECLARE(void) apr_random_barrier(apr_random_t *g);
APR_DECLARE(apr_status_t) apr_random_secure_ready(apr_random_t *r);
APR_DECLARE(apr_status_t) apr_random_insecure_ready(apr_random_t *r);
/* Call this in the child after forking to mix the randomness
pools. Note that its generally a bad idea to fork a process with a
real PRNG in it - better to have the PRNG externally and get the
randomness from there. However, if you really must do it, then you
should supply all your entropy to all the PRNGs - don't worry, they
won't produce the same output.
Note that apr_proc_fork() calls this for you, so only weird
applications need ever call it themselves.
*/
struct apr_proc_t;
APR_DECLARE(void) apr_random_after_fork(struct apr_proc_t *proc);
#endif /* ndef APR_RANDOM_H */
|
