Coverage Report

Created: 2025-04-11 06:34

/src/botan/src/lib/block/camellia/camellia.cpp
Line
Count
Source (jump to first uncovered line)
1
/*
2
* Camellia
3
* (C) 2012,2020 Jack Lloyd
4
*
5
* Botan is released under the Simplified BSD License (see license.txt)
6
*/
7
8
#include <botan/internal/camellia.h>
9
10
#include <botan/internal/loadstor.h>
11
#include <botan/internal/prefetch.h>
12
#include <botan/internal/rotate.h>
13
14
namespace Botan {
15
16
namespace {
17
18
namespace Camellia_F {
19
20
alignas(256) const uint8_t SBOX1[256] = {
21
   0x70, 0x82, 0x2C, 0xEC, 0xB3, 0x27, 0xC0, 0xE5, 0xE4, 0x85, 0x57, 0x35, 0xEA, 0x0C, 0xAE, 0x41, 0x23, 0xEF, 0x6B,
22
   0x93, 0x45, 0x19, 0xA5, 0x21, 0xED, 0x0E, 0x4F, 0x4E, 0x1D, 0x65, 0x92, 0xBD, 0x86, 0xB8, 0xAF, 0x8F, 0x7C, 0xEB,
23
   0x1F, 0xCE, 0x3E, 0x30, 0xDC, 0x5F, 0x5E, 0xC5, 0x0B, 0x1A, 0xA6, 0xE1, 0x39, 0xCA, 0xD5, 0x47, 0x5D, 0x3D, 0xD9,
24
   0x01, 0x5A, 0xD6, 0x51, 0x56, 0x6C, 0x4D, 0x8B, 0x0D, 0x9A, 0x66, 0xFB, 0xCC, 0xB0, 0x2D, 0x74, 0x12, 0x2B, 0x20,
25
   0xF0, 0xB1, 0x84, 0x99, 0xDF, 0x4C, 0xCB, 0xC2, 0x34, 0x7E, 0x76, 0x05, 0x6D, 0xB7, 0xA9, 0x31, 0xD1, 0x17, 0x04,
26
   0xD7, 0x14, 0x58, 0x3A, 0x61, 0xDE, 0x1B, 0x11, 0x1C, 0x32, 0x0F, 0x9C, 0x16, 0x53, 0x18, 0xF2, 0x22, 0xFE, 0x44,
27
   0xCF, 0xB2, 0xC3, 0xB5, 0x7A, 0x91, 0x24, 0x08, 0xE8, 0xA8, 0x60, 0xFC, 0x69, 0x50, 0xAA, 0xD0, 0xA0, 0x7D, 0xA1,
28
   0x89, 0x62, 0x97, 0x54, 0x5B, 0x1E, 0x95, 0xE0, 0xFF, 0x64, 0xD2, 0x10, 0xC4, 0x00, 0x48, 0xA3, 0xF7, 0x75, 0xDB,
29
   0x8A, 0x03, 0xE6, 0xDA, 0x09, 0x3F, 0xDD, 0x94, 0x87, 0x5C, 0x83, 0x02, 0xCD, 0x4A, 0x90, 0x33, 0x73, 0x67, 0xF6,
30
   0xF3, 0x9D, 0x7F, 0xBF, 0xE2, 0x52, 0x9B, 0xD8, 0x26, 0xC8, 0x37, 0xC6, 0x3B, 0x81, 0x96, 0x6F, 0x4B, 0x13, 0xBE,
31
   0x63, 0x2E, 0xE9, 0x79, 0xA7, 0x8C, 0x9F, 0x6E, 0xBC, 0x8E, 0x29, 0xF5, 0xF9, 0xB6, 0x2F, 0xFD, 0xB4, 0x59, 0x78,
32
   0x98, 0x06, 0x6A, 0xE7, 0x46, 0x71, 0xBA, 0xD4, 0x25, 0xAB, 0x42, 0x88, 0xA2, 0x8D, 0xFA, 0x72, 0x07, 0xB9, 0x55,
33
   0xF8, 0xEE, 0xAC, 0x0A, 0x36, 0x49, 0x2A, 0x68, 0x3C, 0x38, 0xF1, 0xA4, 0x40, 0x28, 0xD3, 0x7B, 0xBB, 0xC9, 0x43,
34
   0xC1, 0x15, 0xE3, 0xAD, 0xF4, 0x77, 0xC7, 0x80, 0x9E};
35
36
// SBOX2[x] = rotl<1>(SBOX1[x])
37
alignas(256) const uint8_t SBOX2[256] = {
38
   0xE0, 0x05, 0x58, 0xD9, 0x67, 0x4E, 0x81, 0xCB, 0xC9, 0x0B, 0xAE, 0x6A, 0xD5, 0x18, 0x5D, 0x82, 0x46, 0xDF, 0xD6,
39
   0x27, 0x8A, 0x32, 0x4B, 0x42, 0xDB, 0x1C, 0x9E, 0x9C, 0x3A, 0xCA, 0x25, 0x7B, 0x0D, 0x71, 0x5F, 0x1F, 0xF8, 0xD7,
40
   0x3E, 0x9D, 0x7C, 0x60, 0xB9, 0xBE, 0xBC, 0x8B, 0x16, 0x34, 0x4D, 0xC3, 0x72, 0x95, 0xAB, 0x8E, 0xBA, 0x7A, 0xB3,
41
   0x02, 0xB4, 0xAD, 0xA2, 0xAC, 0xD8, 0x9A, 0x17, 0x1A, 0x35, 0xCC, 0xF7, 0x99, 0x61, 0x5A, 0xE8, 0x24, 0x56, 0x40,
42
   0xE1, 0x63, 0x09, 0x33, 0xBF, 0x98, 0x97, 0x85, 0x68, 0xFC, 0xEC, 0x0A, 0xDA, 0x6F, 0x53, 0x62, 0xA3, 0x2E, 0x08,
43
   0xAF, 0x28, 0xB0, 0x74, 0xC2, 0xBD, 0x36, 0x22, 0x38, 0x64, 0x1E, 0x39, 0x2C, 0xA6, 0x30, 0xE5, 0x44, 0xFD, 0x88,
44
   0x9F, 0x65, 0x87, 0x6B, 0xF4, 0x23, 0x48, 0x10, 0xD1, 0x51, 0xC0, 0xF9, 0xD2, 0xA0, 0x55, 0xA1, 0x41, 0xFA, 0x43,
45
   0x13, 0xC4, 0x2F, 0xA8, 0xB6, 0x3C, 0x2B, 0xC1, 0xFF, 0xC8, 0xA5, 0x20, 0x89, 0x00, 0x90, 0x47, 0xEF, 0xEA, 0xB7,
46
   0x15, 0x06, 0xCD, 0xB5, 0x12, 0x7E, 0xBB, 0x29, 0x0F, 0xB8, 0x07, 0x04, 0x9B, 0x94, 0x21, 0x66, 0xE6, 0xCE, 0xED,
47
   0xE7, 0x3B, 0xFE, 0x7F, 0xC5, 0xA4, 0x37, 0xB1, 0x4C, 0x91, 0x6E, 0x8D, 0x76, 0x03, 0x2D, 0xDE, 0x96, 0x26, 0x7D,
48
   0xC6, 0x5C, 0xD3, 0xF2, 0x4F, 0x19, 0x3F, 0xDC, 0x79, 0x1D, 0x52, 0xEB, 0xF3, 0x6D, 0x5E, 0xFB, 0x69, 0xB2, 0xF0,
49
   0x31, 0x0C, 0xD4, 0xCF, 0x8C, 0xE2, 0x75, 0xA9, 0x4A, 0x57, 0x84, 0x11, 0x45, 0x1B, 0xF5, 0xE4, 0x0E, 0x73, 0xAA,
50
   0xF1, 0xDD, 0x59, 0x14, 0x6C, 0x92, 0x54, 0xD0, 0x78, 0x70, 0xE3, 0x49, 0x80, 0x50, 0xA7, 0xF6, 0x77, 0x93, 0x86,
51
   0x83, 0x2A, 0xC7, 0x5B, 0xE9, 0xEE, 0x8F, 0x01, 0x3D};
52
53
// SBOX3[x] = rotl<7>(SBOX1[x])
54
alignas(256) const uint8_t SBOX3[256] = {
55
   0x38, 0x41, 0x16, 0x76, 0xD9, 0x93, 0x60, 0xF2, 0x72, 0xC2, 0xAB, 0x9A, 0x75, 0x06, 0x57, 0xA0, 0x91, 0xF7, 0xB5,
56
   0xC9, 0xA2, 0x8C, 0xD2, 0x90, 0xF6, 0x07, 0xA7, 0x27, 0x8E, 0xB2, 0x49, 0xDE, 0x43, 0x5C, 0xD7, 0xC7, 0x3E, 0xF5,
57
   0x8F, 0x67, 0x1F, 0x18, 0x6E, 0xAF, 0x2F, 0xE2, 0x85, 0x0D, 0x53, 0xF0, 0x9C, 0x65, 0xEA, 0xA3, 0xAE, 0x9E, 0xEC,
58
   0x80, 0x2D, 0x6B, 0xA8, 0x2B, 0x36, 0xA6, 0xC5, 0x86, 0x4D, 0x33, 0xFD, 0x66, 0x58, 0x96, 0x3A, 0x09, 0x95, 0x10,
59
   0x78, 0xD8, 0x42, 0xCC, 0xEF, 0x26, 0xE5, 0x61, 0x1A, 0x3F, 0x3B, 0x82, 0xB6, 0xDB, 0xD4, 0x98, 0xE8, 0x8B, 0x02,
60
   0xEB, 0x0A, 0x2C, 0x1D, 0xB0, 0x6F, 0x8D, 0x88, 0x0E, 0x19, 0x87, 0x4E, 0x0B, 0xA9, 0x0C, 0x79, 0x11, 0x7F, 0x22,
61
   0xE7, 0x59, 0xE1, 0xDA, 0x3D, 0xC8, 0x12, 0x04, 0x74, 0x54, 0x30, 0x7E, 0xB4, 0x28, 0x55, 0x68, 0x50, 0xBE, 0xD0,
62
   0xC4, 0x31, 0xCB, 0x2A, 0xAD, 0x0F, 0xCA, 0x70, 0xFF, 0x32, 0x69, 0x08, 0x62, 0x00, 0x24, 0xD1, 0xFB, 0xBA, 0xED,
63
   0x45, 0x81, 0x73, 0x6D, 0x84, 0x9F, 0xEE, 0x4A, 0xC3, 0x2E, 0xC1, 0x01, 0xE6, 0x25, 0x48, 0x99, 0xB9, 0xB3, 0x7B,
64
   0xF9, 0xCE, 0xBF, 0xDF, 0x71, 0x29, 0xCD, 0x6C, 0x13, 0x64, 0x9B, 0x63, 0x9D, 0xC0, 0x4B, 0xB7, 0xA5, 0x89, 0x5F,
65
   0xB1, 0x17, 0xF4, 0xBC, 0xD3, 0x46, 0xCF, 0x37, 0x5E, 0x47, 0x94, 0xFA, 0xFC, 0x5B, 0x97, 0xFE, 0x5A, 0xAC, 0x3C,
66
   0x4C, 0x03, 0x35, 0xF3, 0x23, 0xB8, 0x5D, 0x6A, 0x92, 0xD5, 0x21, 0x44, 0x51, 0xC6, 0x7D, 0x39, 0x83, 0xDC, 0xAA,
67
   0x7C, 0x77, 0x56, 0x05, 0x1B, 0xA4, 0x15, 0x34, 0x1E, 0x1C, 0xF8, 0x52, 0x20, 0x14, 0xE9, 0xBD, 0xDD, 0xE4, 0xA1,
68
   0xE0, 0x8A, 0xF1, 0xD6, 0x7A, 0xBB, 0xE3, 0x40, 0x4F};
69
70
// SBOX4[x] = SBOX1[rotl<1>(x)]
71
alignas(256) const uint8_t SBOX4[256] = {
72
   0x70, 0x2C, 0xB3, 0xC0, 0xE4, 0x57, 0xEA, 0xAE, 0x23, 0x6B, 0x45, 0xA5, 0xED, 0x4F, 0x1D, 0x92, 0x86, 0xAF, 0x7C,
73
   0x1F, 0x3E, 0xDC, 0x5E, 0x0B, 0xA6, 0x39, 0xD5, 0x5D, 0xD9, 0x5A, 0x51, 0x6C, 0x8B, 0x9A, 0xFB, 0xB0, 0x74, 0x2B,
74
   0xF0, 0x84, 0xDF, 0xCB, 0x34, 0x76, 0x6D, 0xA9, 0xD1, 0x04, 0x14, 0x3A, 0xDE, 0x11, 0x32, 0x9C, 0x53, 0xF2, 0xFE,
75
   0xCF, 0xC3, 0x7A, 0x24, 0xE8, 0x60, 0x69, 0xAA, 0xA0, 0xA1, 0x62, 0x54, 0x1E, 0xE0, 0x64, 0x10, 0x00, 0xA3, 0x75,
76
   0x8A, 0xE6, 0x09, 0xDD, 0x87, 0x83, 0xCD, 0x90, 0x73, 0xF6, 0x9D, 0xBF, 0x52, 0xD8, 0xC8, 0xC6, 0x81, 0x6F, 0x13,
77
   0x63, 0xE9, 0xA7, 0x9F, 0xBC, 0x29, 0xF9, 0x2F, 0xB4, 0x78, 0x06, 0xE7, 0x71, 0xD4, 0xAB, 0x88, 0x8D, 0x72, 0xB9,
78
   0xF8, 0xAC, 0x36, 0x2A, 0x3C, 0xF1, 0x40, 0xD3, 0xBB, 0x43, 0x15, 0xAD, 0x77, 0x80, 0x82, 0xEC, 0x27, 0xE5, 0x85,
79
   0x35, 0x0C, 0x41, 0xEF, 0x93, 0x19, 0x21, 0x0E, 0x4E, 0x65, 0xBD, 0xB8, 0x8F, 0xEB, 0xCE, 0x30, 0x5F, 0xC5, 0x1A,
80
   0xE1, 0xCA, 0x47, 0x3D, 0x01, 0xD6, 0x56, 0x4D, 0x0D, 0x66, 0xCC, 0x2D, 0x12, 0x20, 0xB1, 0x99, 0x4C, 0xC2, 0x7E,
81
   0x05, 0xB7, 0x31, 0x17, 0xD7, 0x58, 0x61, 0x1B, 0x1C, 0x0F, 0x16, 0x18, 0x22, 0x44, 0xB2, 0xB5, 0x91, 0x08, 0xA8,
82
   0xFC, 0x50, 0xD0, 0x7D, 0x89, 0x97, 0x5B, 0x95, 0xFF, 0xD2, 0xC4, 0x48, 0xF7, 0xDB, 0x03, 0xDA, 0x3F, 0x94, 0x5C,
83
   0x02, 0x4A, 0x33, 0x67, 0xF3, 0x7F, 0xE2, 0x9B, 0x26, 0x37, 0x3B, 0x96, 0x4B, 0xBE, 0x2E, 0x79, 0x8C, 0x6E, 0x8E,
84
   0xF5, 0xB6, 0xFD, 0x59, 0x98, 0x6A, 0x46, 0xBA, 0x25, 0x42, 0xA2, 0xFA, 0x07, 0x55, 0xEE, 0x0A, 0x49, 0x68, 0x38,
85
   0xA4, 0x28, 0x7B, 0xC9, 0xC1, 0xE3, 0xF4, 0xC7, 0x9E};
86
87
105k
uint64_t F(uint64_t v, uint64_t K) {
88
105k
   const uint64_t M1 = 0x0101010001000001;
89
105k
   const uint64_t M2 = 0x0001010101010000;
90
105k
   const uint64_t M3 = 0x0100010100010100;
91
105k
   const uint64_t M4 = 0x0101000100000101;
92
105k
   const uint64_t M5 = 0x0001010100010101;
93
105k
   const uint64_t M6 = 0x0100010101000101;
94
105k
   const uint64_t M7 = 0x0101000101010001;
95
105k
   const uint64_t M8 = 0x0101010001010100;
96
97
105k
   const uint64_t x = v ^ K;
98
99
105k
   const uint64_t Z1 = M1 * SBOX1[get_byte<0>(x)];
100
105k
   const uint64_t Z2 = M2 * SBOX2[get_byte<1>(x)];
101
105k
   const uint64_t Z3 = M3 * SBOX3[get_byte<2>(x)];
102
105k
   const uint64_t Z4 = M4 * SBOX4[get_byte<3>(x)];
103
105k
   const uint64_t Z5 = M5 * SBOX2[get_byte<4>(x)];
104
105k
   const uint64_t Z6 = M6 * SBOX3[get_byte<5>(x)];
105
105k
   const uint64_t Z7 = M7 * SBOX4[get_byte<6>(x)];
106
105k
   const uint64_t Z8 = M8 * SBOX1[get_byte<7>(x)];
107
108
105k
   return Z1 ^ Z2 ^ Z3 ^ Z4 ^ Z5 ^ Z6 ^ Z7 ^ Z8;
109
105k
}
110
111
12.6k
inline uint64_t FL(uint64_t v, uint64_t K) {
112
12.6k
   uint32_t x1 = static_cast<uint32_t>(v >> 32);
113
12.6k
   uint32_t x2 = static_cast<uint32_t>(v & 0xFFFFFFFF);
114
115
12.6k
   const uint32_t k1 = static_cast<uint32_t>(K >> 32);
116
12.6k
   const uint32_t k2 = static_cast<uint32_t>(K & 0xFFFFFFFF);
117
118
12.6k
   x2 ^= rotl<1>(x1 & k1);
119
12.6k
   x1 ^= (x2 | k2);
120
121
12.6k
   return ((static_cast<uint64_t>(x1) << 32) | x2);
122
12.6k
}
123
124
12.6k
inline uint64_t FLINV(uint64_t v, uint64_t K) {
125
12.6k
   uint32_t x1 = static_cast<uint32_t>(v >> 32);
126
12.6k
   uint32_t x2 = static_cast<uint32_t>(v & 0xFFFFFFFF);
127
128
12.6k
   const uint32_t k1 = static_cast<uint32_t>(K >> 32);
129
12.6k
   const uint32_t k2 = static_cast<uint32_t>(K & 0xFFFFFFFF);
130
131
12.6k
   x1 ^= (x2 | k2);
132
12.6k
   x2 ^= rotl<1>(x1 & k1);
133
134
12.6k
   return ((static_cast<uint64_t>(x1) << 32) | x2);
135
12.6k
}
136
137
/*
138
* Camellia Encryption
139
*/
140
1.18k
void encrypt(const uint8_t in[], uint8_t out[], size_t blocks, const secure_vector<uint64_t>& SK, const size_t rounds) {
141
1.18k
   prefetch_arrays(SBOX1, SBOX2, SBOX3, SBOX4);
142
143
5.92k
   for(size_t i = 0; i < blocks; ++i) {
144
4.74k
      uint64_t D1, D2;
145
4.74k
      load_be(in + 16 * i, D1, D2);
146
147
4.74k
      const uint64_t* K = SK.data();
148
149
4.74k
      D1 ^= *K++;
150
4.74k
      D2 ^= *K++;
151
152
4.74k
      D2 ^= F(D1, *K++);
153
4.74k
      D1 ^= F(D2, *K++);
154
155
47.4k
      for(size_t r = 1; r != rounds - 1; ++r) {
156
42.6k
         if(r % 3 == 0) {
157
12.6k
            D1 = FL(D1, *K++);
158
12.6k
            D2 = FLINV(D2, *K++);
159
12.6k
         }
160
161
42.6k
         D2 ^= F(D1, *K++);
162
42.6k
         D1 ^= F(D2, *K++);
163
42.6k
      }
164
165
4.74k
      D2 ^= F(D1, *K++);
166
4.74k
      D1 ^= F(D2, *K++);
167
168
4.74k
      D2 ^= *K++;
169
4.74k
      D1 ^= *K++;
170
171
4.74k
      store_be(out + 16 * i, D2, D1);
172
4.74k
   }
173
1.18k
}
174
175
/*
176
* Camellia Decryption
177
*/
178
0
void decrypt(const uint8_t in[], uint8_t out[], size_t blocks, const secure_vector<uint64_t>& SK, const size_t rounds) {
179
0
   prefetch_arrays(SBOX1, SBOX2, SBOX3, SBOX4);
180
181
0
   for(size_t i = 0; i < blocks; ++i) {
182
0
      uint64_t D1, D2;
183
0
      load_be(in + 16 * i, D1, D2);
184
185
0
      const uint64_t* K = &SK[SK.size() - 1];
186
187
0
      D2 ^= *K--;
188
0
      D1 ^= *K--;
189
190
0
      D2 ^= F(D1, *K--);
191
0
      D1 ^= F(D2, *K--);
192
193
0
      for(size_t r = 1; r != rounds - 1; ++r) {
194
0
         if(r % 3 == 0) {
195
0
            D1 = FL(D1, *K--);
196
0
            D2 = FLINV(D2, *K--);
197
0
         }
198
199
0
         D2 ^= F(D1, *K--);
200
0
         D1 ^= F(D2, *K--);
201
0
      }
202
203
0
      D2 ^= F(D1, *K--);
204
0
      D1 ^= F(D2, *K--);
205
206
0
      D1 ^= *K--;
207
0
      D2 ^= *K;
208
209
0
      store_be(out + 16 * i, D2, D1);
210
0
   }
211
0
}
212
213
2.47k
inline uint64_t left_rot_hi(uint64_t h, uint64_t l, size_t shift) {
214
2.47k
   if(shift >= 64) {
215
1.00k
      shift -= 64;
216
1.00k
   }
217
2.47k
   return (h << shift) | (l >> (64 - shift));
218
2.47k
}
219
220
2.47k
inline uint64_t left_rot_lo(uint64_t h, uint64_t l, size_t shift) {
221
2.47k
   if(shift >= 64) {
222
1.00k
      shift -= 64;
223
1.00k
   }
224
2.47k
   return (h >> (64 - shift)) | (l << shift);
225
2.47k
}
226
227
/*
228
* Camellia Key Schedule
229
*/
230
173
void key_schedule(secure_vector<uint64_t>& SK, std::span<const uint8_t> key) {
231
173
   const uint64_t Sigma1 = 0xA09E667F3BCC908B;
232
173
   const uint64_t Sigma2 = 0xB67AE8584CAA73B2;
233
173
   const uint64_t Sigma3 = 0xC6EF372FE94F82BE;
234
173
   const uint64_t Sigma4 = 0x54FF53A5F1D36F1C;
235
173
   const uint64_t Sigma5 = 0x10E527FADE682D1D;
236
173
   const uint64_t Sigma6 = 0xB05688C2B3E6C1FD;
237
238
173
   const uint64_t KL_H = load_be<uint64_t>(key.data(), 0);
239
173
   const uint64_t KL_L = load_be<uint64_t>(key.data(), 1);
240
241
173
   const uint64_t KR_H = (key.size() >= 24) ? load_be<uint64_t>(key.data(), 2) : 0;
242
243
173
   const uint64_t KR_L = [&]() -> uint64_t {
244
173
      if(key.size() == 32) {
245
142
         return load_be<uint64_t>(key.data(), 3);
246
142
      } else if(key.size() == 24) {
247
0
         return ~KR_H;
248
31
      } else {
249
31
         return 0;
250
31
      }
251
173
   }();
252
253
173
   uint64_t D1 = KL_H ^ KR_H;
254
173
   uint64_t D2 = KL_L ^ KR_L;
255
173
   D2 ^= F(D1, Sigma1);
256
173
   D1 ^= F(D2, Sigma2);
257
173
   D1 ^= KL_H;
258
173
   D2 ^= KL_L;
259
173
   D2 ^= F(D1, Sigma3);
260
173
   D1 ^= F(D2, Sigma4);
261
262
173
   const uint64_t KA_H = D1;
263
173
   const uint64_t KA_L = D2;
264
265
173
   D1 = KA_H ^ KR_H;
266
173
   D2 = KA_L ^ KR_L;
267
173
   D2 ^= F(D1, Sigma5);
268
173
   D1 ^= F(D2, Sigma6);
269
270
173
   const uint64_t KB_H = D1;
271
173
   const uint64_t KB_L = D2;
272
273
173
   if(key.size() == 16) {
274
31
      SK.resize(26);
275
276
31
      SK[0] = KL_H;
277
31
      SK[1] = KL_L;
278
31
      SK[2] = KA_H;
279
31
      SK[3] = KA_L;
280
31
      SK[4] = left_rot_hi(KL_H, KL_L, 15);
281
31
      SK[5] = left_rot_lo(KL_H, KL_L, 15);
282
31
      SK[6] = left_rot_hi(KA_H, KA_L, 15);
283
31
      SK[7] = left_rot_lo(KA_H, KA_L, 15);
284
31
      SK[8] = left_rot_hi(KA_H, KA_L, 30);
285
31
      SK[9] = left_rot_lo(KA_H, KA_L, 30);
286
31
      SK[10] = left_rot_hi(KL_H, KL_L, 45);
287
31
      SK[11] = left_rot_lo(KL_H, KL_L, 45);
288
31
      SK[12] = left_rot_hi(KA_H, KA_L, 45);
289
31
      SK[13] = left_rot_lo(KL_H, KL_L, 60);
290
31
      SK[14] = left_rot_hi(KA_H, KA_L, 60);
291
31
      SK[15] = left_rot_lo(KA_H, KA_L, 60);
292
31
      SK[16] = left_rot_lo(KL_H, KL_L, 77);
293
31
      SK[17] = left_rot_hi(KL_H, KL_L, 77);
294
31
      SK[18] = left_rot_lo(KL_H, KL_L, 94);
295
31
      SK[19] = left_rot_hi(KL_H, KL_L, 94);
296
31
      SK[20] = left_rot_lo(KA_H, KA_L, 94);
297
31
      SK[21] = left_rot_hi(KA_H, KA_L, 94);
298
31
      SK[22] = left_rot_lo(KL_H, KL_L, 111);
299
31
      SK[23] = left_rot_hi(KL_H, KL_L, 111);
300
31
      SK[24] = left_rot_lo(KA_H, KA_L, 111);
301
31
      SK[25] = left_rot_hi(KA_H, KA_L, 111);
302
142
   } else {
303
142
      SK.resize(34);
304
305
142
      SK[0] = KL_H;
306
142
      SK[1] = KL_L;
307
142
      SK[2] = KB_H;
308
142
      SK[3] = KB_L;
309
310
142
      SK[4] = left_rot_hi(KR_H, KR_L, 15);
311
142
      SK[5] = left_rot_lo(KR_H, KR_L, 15);
312
142
      SK[6] = left_rot_hi(KA_H, KA_L, 15);
313
142
      SK[7] = left_rot_lo(KA_H, KA_L, 15);
314
315
142
      SK[8] = left_rot_hi(KR_H, KR_L, 30);
316
142
      SK[9] = left_rot_lo(KR_H, KR_L, 30);
317
142
      SK[10] = left_rot_hi(KB_H, KB_L, 30);
318
142
      SK[11] = left_rot_lo(KB_H, KB_L, 30);
319
320
142
      SK[12] = left_rot_hi(KL_H, KL_L, 45);
321
142
      SK[13] = left_rot_lo(KL_H, KL_L, 45);
322
142
      SK[14] = left_rot_hi(KA_H, KA_L, 45);
323
142
      SK[15] = left_rot_lo(KA_H, KA_L, 45);
324
325
142
      SK[16] = left_rot_hi(KL_H, KL_L, 60);
326
142
      SK[17] = left_rot_lo(KL_H, KL_L, 60);
327
142
      SK[18] = left_rot_hi(KR_H, KR_L, 60);
328
142
      SK[19] = left_rot_lo(KR_H, KR_L, 60);
329
142
      SK[20] = left_rot_hi(KB_H, KB_L, 60);
330
142
      SK[21] = left_rot_lo(KB_H, KB_L, 60);
331
332
142
      SK[22] = left_rot_lo(KL_H, KL_L, 77);
333
142
      SK[23] = left_rot_hi(KL_H, KL_L, 77);
334
142
      SK[24] = left_rot_lo(KA_H, KA_L, 77);
335
142
      SK[25] = left_rot_hi(KA_H, KA_L, 77);
336
337
142
      SK[26] = left_rot_lo(KR_H, KR_L, 94);
338
142
      SK[27] = left_rot_hi(KR_H, KR_L, 94);
339
142
      SK[28] = left_rot_lo(KA_H, KA_L, 94);
340
142
      SK[29] = left_rot_hi(KA_H, KA_L, 94);
341
142
      SK[30] = left_rot_lo(KL_H, KL_L, 111);
342
142
      SK[31] = left_rot_hi(KL_H, KL_L, 111);
343
142
      SK[32] = left_rot_lo(KB_H, KB_L, 111);
344
142
      SK[33] = left_rot_hi(KB_H, KB_L, 111);
345
142
   }
346
173
}
347
348
}  // namespace Camellia_F
349
350
}  // namespace
351
352
393
void Camellia_128::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
353
393
   assert_key_material_set();
354
393
   Camellia_F::encrypt(in, out, blocks, m_SK, 9);
355
393
}
356
357
0
void Camellia_192::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
358
0
   assert_key_material_set();
359
0
   Camellia_F::encrypt(in, out, blocks, m_SK, 12);
360
0
}
361
362
792
void Camellia_256::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
363
792
   assert_key_material_set();
364
792
   Camellia_F::encrypt(in, out, blocks, m_SK, 12);
365
792
}
366
367
0
void Camellia_128::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
368
0
   assert_key_material_set();
369
0
   Camellia_F::decrypt(in, out, blocks, m_SK, 9);
370
0
}
371
372
0
void Camellia_192::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
373
0
   assert_key_material_set();
374
0
   Camellia_F::decrypt(in, out, blocks, m_SK, 12);
375
0
}
376
377
0
void Camellia_256::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
378
0
   assert_key_material_set();
379
0
   Camellia_F::decrypt(in, out, blocks, m_SK, 12);
380
0
}
381
382
598
bool Camellia_128::has_keying_material() const {
383
598
   return !m_SK.empty();
384
598
}
385
386
0
bool Camellia_192::has_keying_material() const {
387
0
   return !m_SK.empty();
388
0
}
389
390
1.56k
bool Camellia_256::has_keying_material() const {
391
1.56k
   return !m_SK.empty();
392
1.56k
}
393
394
31
void Camellia_128::key_schedule(std::span<const uint8_t> key) {
395
31
   Camellia_F::key_schedule(m_SK, key);
396
31
}
397
398
0
void Camellia_192::key_schedule(std::span<const uint8_t> key) {
399
0
   Camellia_F::key_schedule(m_SK, key);
400
0
}
401
402
142
void Camellia_256::key_schedule(std::span<const uint8_t> key) {
403
142
   Camellia_F::key_schedule(m_SK, key);
404
142
}
405
406
0
void Camellia_128::clear() {
407
0
   zap(m_SK);
408
0
}
409
410
0
void Camellia_192::clear() {
411
0
   zap(m_SK);
412
0
}
413
414
0
void Camellia_256::clear() {
415
0
   zap(m_SK);
416
0
}
417
418
}  // namespace Botan