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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
// simon.h - written and placed in the public domain by Jeffrey Walton
/// \file simon.h
/// \brief Classes for the Simon block cipher
/// \details Simon is a block cipher designed by Ray Beaulieu, Douglas Shors, Jason Smith,
/// Stefan Treatman-Clark, Bryan Weeks and Louis Wingers.
/// \sa <A HREF="http://eprint.iacr.org/2013/404">The SIMON and SPECK Families of
/// Lightweight Block Ciphers</A>, <A HREF="http://iadgov.github.io/simon-speck/">
/// The Simon and Speck GitHub</A> and <A HREF="https://www.cryptopp.com/wiki/SIMON">
/// SIMON</A> on the Crypto++ wiki.
/// \since Crypto++ 6.0
#ifndef CRYPTOPP_SIMON_H
#define CRYPTOPP_SIMON_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86 || \
CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARMV8 || \
CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64
# ifndef CRYPTOPP_DISABLE_SIMON_SIMD
# define CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS 1
# endif
#endif
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86 || \
CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARMV8 || \
CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64
# ifndef CRYPTOPP_DISABLE_SIMON_SIMD
# define CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS 1
# endif
#endif
// Yet another SunStudio/SunCC workaround. Failed self tests
// in SSE code paths on i386 for SunStudio 12.3 and below.
#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5120)
# undef CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS
# undef CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief SIMON block cipher information
/// \tparam L block size of the cipher, in bytes
/// \tparam D default key length, in bytes
/// \tparam N minimum key length, in bytes
/// \tparam M maximum key length, in bytes
/// \since Crypto++ 6.0
template <unsigned int L, unsigned int D, unsigned int N, unsigned int M>
struct SIMON_Info : public FixedBlockSize<L>, VariableKeyLength<D, N, M>
{
/// \brief The algorithm name
/// \returns the algorithm name
/// \details StaticAlgorithmName returns the algorithm's name as a static
/// member function.
static const std::string StaticAlgorithmName()
{
// Format is Cipher-Blocksize(Keylength)
return "SIMON-" + IntToString(L*8);
}
};
/// \brief SIMON block cipher base class
/// \tparam W the word type
/// \details User code should use SIMON64 or SIMON128
/// \sa SIMON64, SIMON128, <a href="http://www.cryptopp.com/wiki/SIMON">SIMON</a> on the Crypto++ wiki
/// \since Crypto++ 6.0
template <class W>
struct SIMON_Base
{
virtual ~SIMON_Base() {}
SIMON_Base() : m_kwords(0), m_rounds(0) {}
typedef SecBlock<W, AllocatorWithCleanup<W, true> > AlignedSecBlock;
mutable AlignedSecBlock m_wspace; // workspace
AlignedSecBlock m_rkeys; // round keys
unsigned int m_kwords; // number of key words
unsigned int m_rounds; // number of rounds
};
/// \brief SIMON 64-bit block cipher
/// \details Simon is a block cipher designed by Ray Beaulieu, Douglas Shors, Jason Smith,
/// Stefan Treatman-Clark, Bryan Weeks and Louis Wingers.
/// \details SIMON64 provides 64-bit block size. The valid key sizes are 96-bit and 128-bit.
/// \sa SIMON64, SIMON128, <A HREF="http://eprint.iacr.org/2013/404">The SIMON and SIMON
/// Families of Lightweight Block Ciphers</A>, <A HREF="http://iadgov.github.io/simon-speck/">
/// The Simon and Speck GitHub</A>, <a href="http://www.cryptopp.com/wiki/SIMON">SIMON</a> on the
/// Crypto++ wiki
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE SIMON64 : public SIMON_Info<8, 12, 12, 16>, public BlockCipherDocumentation
{
public:
/// \brief SIMON block cipher transformation functions
/// \details Provides implementation common to encryption and decryption
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Base : protected SIMON_Base<word32>, public BlockCipherImpl<SIMON_Info<8, 12, 12, 16> >
{
public:
/// \brief The algorithm name
/// \returns the algorithm name
/// \details AlgorithmName returns the algorithm's name as a
/// member function.
std::string AlgorithmName() const {
return StaticAlgorithmName() + (m_kwords == 0 ? "" :
"(" + IntToString(m_kwords*sizeof(word32)*8) + ")");
}
std::string AlgorithmProvider() const;
protected:
void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs ¶ms);
};
/// \brief Encryption transformation
/// \details Enc provides implementation for encryption transformation. All key
/// sizes are supported.
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
/// \brief Encryption transformation
/// \details Dec provides implementation for decryption transformation. All key
/// sizes are supported.
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
/// \brief SIMON 128-bit block cipher
/// \details Simon is a block cipher designed by Ray Beaulieu, Douglas Shors, Jason Smith,
/// Stefan Treatman-Clark, Bryan Weeks and Louis Wingers.
/// \details SIMON128 provides 128-bit block size. The valid key sizes are 128-bit, 192-bit and 256-bit.
/// \sa SIMON64, SIMON128, <A HREF="http://eprint.iacr.org/2013/404">The SIMON and SIMON
/// Families of Lightweight Block Ciphers</A>, <A HREF="http://iadgov.github.io/simon-speck/">
/// The Simon and Speck GitHub</A>, <a href="http://www.cryptopp.com/wiki/SIMON">SIMON</a> on the
/// Crypto++ wiki
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE SIMON128 : public SIMON_Info<16, 16, 16, 32>, public BlockCipherDocumentation
{
public:
/// \brief SIMON block cipher transformation functions
/// \details Provides implementation common to encryption and decryption
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Base : protected SIMON_Base<word64>, public BlockCipherImpl<SIMON_Info<16, 16, 16, 32> >
{
public:
/// \brief The algorithm name
/// \returns the algorithm name
/// \details AlgorithmName returns the algorithm's name as a
/// member function.
std::string AlgorithmName() const {
return StaticAlgorithmName() + (m_kwords == 0 ? "" :
"(" + IntToString(m_kwords*sizeof(word64)*8) + ")");
}
std::string AlgorithmProvider() const;
protected:
void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs ¶ms);
};
/// \brief Encryption transformation
/// \details Enc provides implementation for encryption transformation. All key
/// sizes are supported.
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
/// \brief Encryption transformation
/// \details Dec provides implementation for decryption transformation. All key
/// sizes are supported.
/// \since Crypto++ 6.0
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
NAMESPACE_END
#endif // CRYPTOPP_SIMON_H
|
