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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
|
/**
* \file
* \author Egor Tensin <Egor.Tensin@gmail.com>
* \date 2015
* \copyright This file is licensed under the terms of the MIT License.
* See LICENSE.txt for details.
*/
#include "aesni/all.h"
#include <intrin.h>
#include <stdio.h>
#include <string.h>
AesBlock128 make_aes_block128(int hi3, int hi2, int lo1, int lo0)
{
return _mm_set_epi32(hi3, hi2, lo1, lo0);
}
AesBlock192 make_aes_block192(int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
{
AesBlock192 result;
result.hi = make_aes_block128( 0, 0, hi5, hi4);
result.lo = make_aes_block128(lo3, lo2, lo1, lo0);
return result;
}
AesBlock256 make_aes_block256(int hi7, int hi6, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
{
AesBlock256 result;
result.hi = make_aes_block128(hi7, hi6, hi5, hi4);
result.lo = make_aes_block128(lo3, lo2, lo1, lo0);
return result;
}
AesBlockString128 format_aes_block128(AesBlock128* block)
{
#ifdef AESNI_FIPS_STYLE_IO_BY_DEFAULT
return format_aes_block128_fips_style(block);
#else
AesBlockString128 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) block + 15 - i));
*cursor = '\0';
return result;
#endif
}
AesBlockString192 format_aes_block192(AesBlock192* block)
{
#ifdef AESNI_FIPS_STYLE_IO_BY_DEFAULT
return format_aes_block192_fips_style(block);
#else
AesBlockString192 result;
char *cursor = result.str;
for (int i = 0; i < 8; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + 7 - i));
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + 15 - i));
*cursor = '\0';
return result;
#endif
}
AesBlockString256 format_aes_block256(AesBlock256* block)
{
#ifdef AESNI_FIPS_STYLE_IO_BY_DEFAULT
return format_aes_block256_fips_style(block);
#else
AesBlockString256 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + 15 - i));
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + 15 - i));
*cursor = '\0';
return result;
#endif
}
AesBlockString128 format_aes_block128_fips_style(AesBlock128* block)
{
AesBlockString128 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) block + i));
*cursor = '\0';
return result;
}
AesBlockString192 format_aes_block192_fips_style(AesBlock192* block)
{
AesBlockString192 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + i));
for (int i = 0; i < 8; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + i));
*cursor = '\0';
return result;
}
AesBlockString256 format_aes_block256_fips_style(AesBlock256* block)
{
AesBlockString256 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + i));
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + i));
*cursor = '\0';
return result;
}
AesBlockMatrixString128 format_aes_block128_fips_matrix_style(AesBlock128* block)
{
__declspec(align(16)) unsigned char bytes[4][4];
AesBlockMatrixString128 result;
char* cursor = result.str;
_mm_store_si128((AesBlock128*) bytes, *block);
for (int i = 0; i < 4; ++i, cursor += 3)
{
for (int j = 0; j < 3; ++j, cursor += 3)
sprintf(cursor, "%02x ", bytes[j][i]);
sprintf(cursor, "%02x\n", bytes[3][i]);
}
*cursor = '\0';
return result;
}
AesBlockMatrixString192 format_aes_block192_fips_matrix_style(AesBlock192* block)
{
__declspec(align(16)) unsigned char bytes[8][4];
AesBlockMatrixString192 result;
char* cursor = result.str;
_mm_store_si128((AesBlock128*) bytes, block->lo);
_mm_store_si128((AesBlock128*) bytes + 1, block->hi);
for (int i = 0; i < 4; ++i, cursor += 3)
{
for (int j = 0; j < 5; ++j, cursor += 3)
sprintf(cursor, "%02x ", bytes[j][i]);
sprintf(cursor, "%02x\n", bytes[5][i]);
}
*cursor = '\0';
return result;
}
AesBlockMatrixString256 format_aes_block256_fips_matrix_style(AesBlock256* block)
{
__declspec(align(16)) unsigned char bytes[8][4];
AesBlockMatrixString256 result;
char* cursor = result.str;
_mm_store_si128((AesBlock128*) bytes, block->lo);
_mm_store_si128((AesBlock128*) bytes + 1, block->hi);
for (int i = 0; i < 4; ++i, cursor += 3)
{
for (int j = 0; j < 7; ++j, cursor += 3)
sprintf(cursor, "%02x ", bytes[j][i]);
sprintf(cursor, "%02x\n", bytes[7][i]);
}
*cursor = '\0';
return result;
}
void print_aes_block128(AesBlock128* block)
{
printf("%s\n", format_aes_block128(block).str);
}
void print_aes_block192(AesBlock192* block)
{
printf("%s\n", format_aes_block192(block).str);
}
void print_aes_block256(AesBlock256* block)
{
printf("%s\n", format_aes_block256(block).str);
}
void print_aes_block128_fips_style(AesBlock128* block)
{
printf("%s\n", format_aes_block128_fips_style(block).str);
}
void print_aes_block192_fips_style(AesBlock192* block)
{
printf("%s\n", format_aes_block192_fips_style(block).str);
}
void print_aes_block256_fips_style(AesBlock256* block)
{
printf("%s\n", format_aes_block256_fips_style(block).str);
}
void print_aes_block128_fips_matrix_style(AesBlock128* block)
{
printf("%s", format_aes_block128_fips_matrix_style(block).str);
}
void print_aes_block192_fips_matrix_style(AesBlock192* block)
{
printf("%s", format_aes_block192_fips_matrix_style(block).str);
}
void print_aes_block256_fips_matrix_style(AesBlock256* block)
{
printf("%s", format_aes_block256_fips_matrix_style(block).str);
}
int parse_aes_block128(AesBlock128* block, const char* src)
{
#if defined AESNI_FIPS_STYLE_IO_BY_DEFAULT && AESNI_FIPS_STYLE_IO_BY_DEFAULT
return parse_aes_block128_fips_style(block, src);
#else
int n, xs[4];
if (sscanf(src, "%8x%8x%8x%8x%n", &xs[0], &xs[1], &xs[2], &xs[3], &n) != 4
|| n != strlen(src))
return 1;
*block = make_aes_block128(xs[0], xs[1], xs[2], xs[3]);
return 0;
#endif
}
int parse_aes_block192(AesBlock192* block, const char* src)
{
#if defined AESNI_FIPS_STYLE_IO_BY_DEFAULT && AESNI_FIPS_STYLE_IO_BY_DEFAULT
return parse_aes_block192_fips_style(block, src);
#else
int n, xs[6];
if (sscanf(src, "%8x%8x%8x%8x%8x%8x%n", &xs[0], &xs[1], &xs[2], &xs[3], &xs[4], &xs[5], &n) != 6
|| n != strlen(src))
return 1;
*block = make_aes_block192(xs[0], xs[1], xs[2], xs[3], xs[4], xs[5]);
return 0;
#endif
}
int parse_aes_block256(AesBlock256* block, const char* src)
{
#if defined AESNI_FIPS_STYLE_IO_BY_DEFAULT && AESNI_FIPS_STYLE_IO_BY_DEFAULT
return parse_aes_block256_fips_style(block, src);
#else
int n, xs[8];
if (sscanf(src, "%8x%8x%8x%8x%8x%8x%8x%8x%n", &xs[0], &xs[1], &xs[2], &xs[3], &xs[4], &xs[5], &xs[6], &xs[7], &n) != 8
|| n != strlen(src))
return 1;
*block = make_aes_block256(xs[0], xs[1], xs[2], xs[3], xs[4], xs[5], xs[6], xs[7]);
return 0;
#endif
}
int parse_aes_block128_fips_style(AesBlock128* block, const char* src)
{
unsigned char bytes[16];
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
bytes[i] = (unsigned char) byte;
src += n;
}
*block = _mm_loadu_si128((AesBlock128*) bytes);
return 0;
}
int parse_aes_block192_fips_style(AesBlock192* block, const char* src)
{
AesBlock128 lo, hi;
unsigned char lo_bytes[16], hi_bytes[16] = { 0 };
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
lo_bytes[i] = (unsigned char) byte;
src += n;
}
lo = _mm_loadu_si128((AesBlock128*) lo_bytes);
for (int i = 0; i < 8; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
hi_bytes[i] = (unsigned char) byte;
src += n;
}
hi = _mm_loadu_si128((AesBlock128*) hi_bytes);
block->hi = hi;
block->lo = lo;
return 0;
}
int parse_aes_block256_fips_style(AesBlock256* block, const char* src)
{
AesBlock128 lo, hi;
unsigned char lo_bytes[16], hi_bytes[16];
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
lo_bytes[i] = (unsigned char) byte;
src += n;
}
lo = _mm_loadu_si128((AesBlock128*) lo_bytes);
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
hi_bytes[i] = (unsigned char) byte;
src += n;
}
hi = _mm_loadu_si128((AesBlock128*) hi_bytes);
block->hi = hi;
block->lo = lo;
return 0;
}
|
