blob: 6faa5d86fb62ec810cdfc5566d054f6a3916a89e (
plain)
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
|
/*************************************************
* Default Initialization Function Source File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#include <botan/init.h>
#include <botan/libstate.h>
#include <botan/modules.h>
#include <botan/config.h>
#include <botan/defalloc.h>
#include <botan/fips140.h>
#include <botan/x931_rng.h>
#include <botan/def_char.h>
namespace Botan {
/*************************************************
* Library Initialization *
*************************************************/
void LibraryInitializer::initialize(const std::string& arg_string)
{
InitializerOptions args(arg_string);
initialize(args);
}
/*************************************************
* Library Initialization *
*************************************************/
void LibraryInitializer::initialize(const InitializerOptions& args)
{
try
{
Builtin_Modules modules(args);
initialize(args, modules);
}
catch(...)
{
deinitialize();
throw;
}
}
/*************************************************
* Library Initialization *
*************************************************/
void LibraryInitializer::initialize(const InitializerOptions& args,
Modules& modules)
{
try
{
set_global_state(
new Library_State(
args.thread_safe() ?
modules.mutex_factory() :
new Default_Mutex_Factory
)
);
global_state().config().load_defaults();
if(args.config_file() != "")
global_config().load_inifile(args.config_file());
global_state().load(modules);
global_state().set_prng(new ANSI_X931_RNG);
if(args.seed_rng())
{
const u32bit min_entropy =
global_config().option_as_u32bit("rng/min_entropy");
if(min_entropy != 0)
{
u32bit bits_so_far = 0;
for(u32bit j = 0; j != 4; ++j)
{
u32bit to_get = min_entropy - bits_so_far;
bits_so_far += global_state().seed_prng(true, to_get);
if(bits_so_far >= min_entropy)
break;
}
if(bits_so_far < min_entropy)
throw PRNG_Unseeded("Unable to collect sufficient entropy");
}
}
if(args.fips_mode() || args.self_test())
{
if(!FIPS140::passes_self_tests())
throw Self_Test_Failure("FIPS-140 startup tests");
}
}
catch(...)
{
deinitialize();
throw;
}
}
/*************************************************
* Library Shutdown *
*************************************************/
void LibraryInitializer::deinitialize()
{
set_global_state(0);
}
}
|
