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
113
|
/*
This code is written by kerukuro and released into public domain.
*/
#ifndef DIGESTPP_MIXINS_SKEIN_HPP
#define DIGESTPP_MIXINS_SKEIN_HPP
namespace digestpp
{
namespace mixin
{
/**
* \brief Defines additional public functions for Skein family of algorithms.
* \sa hasher, skein256, skein512, skein1024, skein256_xof, skein512_xof, skein1024_xof
*/
template<typename T>
class skein_mixin
{
public:
/**
* \brief Set personalization from std::string
*
* \param[in] personalization Personalization string
* \return Reference to hasher
*/
inline hasher<T, mixin::skein_mixin>& set_personalization(const std::string& personalization)
{
auto& skein = static_cast<hasher<T, mixin::skein_mixin>&>(*this);
skein.provider.set_personalization(personalization);
skein.provider.init();
return skein;
}
/**
* \brief Set personalization from raw buffer
*
* \param[in] personalization Pointer to personalization bytes
* \param[in] personalization_len Personalization length (in bytes)
* \return Reference to hasher
*/
template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
inline hasher<T, mixin::skein_mixin>& set_personalization(const C* personalization, size_t personalization_len)
{
return set_personalization(std::string(reinterpret_cast<const char*>(personalization), personalization_len));
}
/**
* \brief Set key from std::string
*
* \param[in] key Key string
* \return Reference to hasher
*/
inline hasher<T, mixin::skein_mixin>& set_key(const std::string& key)
{
auto& skein = static_cast<hasher<T, mixin::skein_mixin>&>(*this);
skein.provider.set_key(key);
skein.provider.init();
return skein;
}
/**
* \brief Set key from raw buffer
*
* \param[in] key Pointer to key bytes
* \param[in] key_len Key length (in bytes)
* \return Reference to hasher
*/
template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
inline hasher<T, mixin::skein_mixin>& set_key(const C* key, size_t key_len)
{
return set_key(std::string(reinterpret_cast<const char*>(key), key_len));
}
/**
* \brief Set nonce from std::string
*
* \param[in] nonce Nonce string
* \return Reference to hasher
*/
inline hasher<T, mixin::skein_mixin>& set_nonce(const std::string& nonce)
{
auto& skein = static_cast<hasher<T, mixin::skein_mixin>&>(*this);
skein.provider.set_nonce(nonce);
skein.provider.init();
return skein;
}
/**
* \brief Set nonce from raw buffer
*
* \param[in] nonce Pointer to nonce bytes
* \param[in] nonce_len Nonce length (in bytes)
* \return Reference to hasher
*/
template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
inline hasher<T, mixin::skein_mixin>& set_nonce(const C* nonce, size_t nonce_len)
{
return set_nonce(std::string(reinterpret_cast<const char*>(nonce), nonce_len));
}
};
} // namespace mixin
} // namespace digestpp
#endif
|
