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
|
/*
* KDF Retrieval
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/kdf.h>
#include <botan/exceptn.h>
#include <botan/internal/algo_registry.h>
#if defined(BOTAN_HAS_HKDF)
#include <botan/hkdf.h>
#endif
#if defined(BOTAN_HAS_KDF1)
#include <botan/kdf1.h>
#endif
#if defined(BOTAN_HAS_KDF2)
#include <botan/kdf2.h>
#endif
#if defined(BOTAN_HAS_TLS_V10_PRF)
#include <botan/prf_tls.h>
#endif
#if defined(BOTAN_HAS_TLS_V12_PRF)
#include <botan/prf_tls.h>
#endif
#if defined(BOTAN_HAS_X942_PRF)
#include <botan/prf_x942.h>
#endif
#define BOTAN_REGISTER_KDF_NOARGS(type, name) \
BOTAN_REGISTER_NAMED_T(KDF, name, type, (make_new_T<type>))
#define BOTAN_REGISTER_KDF_1HASH(type, name) \
BOTAN_REGISTER_NAMED_T(KDF, name, type, (make_new_T_1X<type, HashFunction>))
#define BOTAN_REGISTER_KDF_NAMED_1STR(type, name) \
BOTAN_REGISTER_NAMED_T(KDF, name, type, (make_new_T_1str_req<type>))
namespace Botan {
KDF::~KDF() {}
std::unique_ptr<KDF> KDF::create(const std::string& algo_spec,
const std::string& provider)
{
return std::unique_ptr<KDF>(make_a<KDF>(algo_spec, provider));
}
std::vector<std::string> KDF::providers(const std::string& algo_spec)
{
return providers_of<KDF>(KDF::Spec(algo_spec));
}
KDF* get_kdf(const std::string& algo_spec)
{
SCAN_Name request(algo_spec);
if(request.algo_name() == "Raw")
return nullptr; // No KDF
auto kdf = KDF::create(algo_spec);
if(!kdf)
throw Algorithm_Not_Found(algo_spec);
return kdf.release();
}
#if defined(BOTAN_HAS_HKDF)
BOTAN_REGISTER_NAMED_T(KDF, "HKDF", HKDF, HKDF::make);
#endif
#if defined(BOTAN_HAS_KDF1)
BOTAN_REGISTER_KDF_1HASH(KDF1, "KDF1");
#endif
#if defined(BOTAN_HAS_KDF2)
BOTAN_REGISTER_KDF_1HASH(KDF2, "KDF2");
#endif
#if defined(BOTAN_HAS_TLS_V10_PRF)
BOTAN_REGISTER_KDF_NOARGS(TLS_PRF, "TLS-PRF");
#endif
#if defined(BOTAN_HAS_TLS_V12_PRF)
BOTAN_REGISTER_NAMED_T(KDF, "TLS-12-PRF", TLS_12_PRF, TLS_12_PRF::make);
#endif
#if defined(BOTAN_HAS_X942_PRF)
BOTAN_REGISTER_KDF_NAMED_1STR(X942_PRF, "X9.42-PRF");
#endif
}
|
