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
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
|
#define AESOP(o,r1,r2) \
BYTE $0x66; \
BYTE $0x0F; \
BYTE $0x38; \
BYTE $(o); \
BYTE $(0xC0 | r2<<3 | r1)
#define AESIMC(r1,r2) AESOP(0xDB,r1,r2)
#define AESENC(r1,r2) AESOP(0xDC,r1,r2)
#define AESENCLAST(r1,r2) AESOP(0xDD,r1,r2)
#define AESDEC(r1,r2) AESOP(0xDE,r1,r2)
#define AESDECLAST(r1,r2) AESOP(0xDF,r1,r2)
#define AESKEYGENASSIST(i,r1,r2) \
BYTE $0x66; \
BYTE $0x0F; \
BYTE $0x3A; \
BYTE $0xDF; \
BYTE $(0xC0 | r2<<3 | r1); \
BYTE $(i)
TEXT aesni_init(SB), 0, $0
MOVL $1, AX
CPUID
XORL AX, AX
ANDL $(1<<25), CX
JZ _ret
/* override aes function pointers */
MOVQ $AESencrypt<>(SB), AX
MOVQ AX, aes_encrypt(SB)
MOVQ $AESdecrypt<>(SB), AX
MOVQ AX, aes_decrypt(SB)
/* return setup function pointer */
MOVQ $AESsetup<>(SB), AX
_ret:
RET
TEXT AESencrypt<>(SB), 0, $0
MOVL Nr+8(FP), CX
MOVQ pt+16(FP), SI
MOVQ ct+24(FP), DI
MOVO (RARG), X0
MOVOU (SI), X7
ADDQ $16, RARG
PXOR X7, X0
CMPL CX, $12
JLT erounds10
JEQ erounds12
erounds14:
MOVO 0(RARG), X1
MOVO 16(RARG), X2
ADDQ $32, RARG
AESENC(1, 0)
AESENC(2, 0)
erounds12:
MOVO 0(RARG), X3
MOVO 16(RARG), X4
ADDQ $32, RARG
AESENC(3, 0)
AESENC(4, 0)
erounds10:
MOVO 0(RARG), X1
MOVO 16(RARG), X2
MOVO 32(RARG), X3
MOVO 48(RARG), X4
MOVO 64(RARG), X5
MOVO 80(RARG), X6
MOVO 96(RARG), X7
AESENC(1, 0)
MOVO 112(RARG), X1
AESENC(2, 0)
MOVO 128(RARG), X2
AESENC(3, 0)
MOVO 144(RARG), X3
AESENC(4, 0)
AESENC(5, 0)
AESENC(6, 0)
AESENC(7, 0)
AESENC(1, 0)
AESENC(2, 0)
AESENCLAST(3, 0)
MOVOU X0, (DI)
RET
TEXT AESdecrypt<>(SB), 0, $0
MOVL Nr+8(FP), CX
MOVQ ct+16(FP), SI
MOVQ pt+24(FP), DI
MOVO (RARG), X0
MOVOU (SI), X7
ADDQ $16, RARG
PXOR X7, X0
CMPL CX, $12
JLT drounds10
JEQ drounds12
drounds14:
MOVO 0(RARG), X1
MOVO 16(RARG), X2
ADDQ $32, RARG
AESDEC(1, 0)
AESDEC(2, 0)
drounds12:
MOVO 0(RARG), X3
MOVO 16(RARG), X4
ADDQ $32, RARG
AESDEC(3, 0)
AESDEC(4, 0)
drounds10:
MOVO 0(RARG), X1
MOVO 16(RARG), X2
MOVO 32(RARG), X3
MOVO 48(RARG), X4
MOVO 64(RARG), X5
MOVO 80(RARG), X6
MOVO 96(RARG), X7
AESDEC(1, 0)
MOVO 112(RARG), X1
AESDEC(2, 0)
MOVO 128(RARG), X2
AESDEC(3, 0)
MOVO 144(RARG), X3
AESDEC(4, 0)
AESDEC(5, 0)
AESDEC(6, 0)
AESDEC(7, 0)
AESDEC(1, 0)
AESDEC(2, 0)
AESDECLAST(3, 0)
MOVOU X0, (DI)
RET
TEXT AESsetup<>(SB), 0, $16
MOVQ RARG, erk+0(FP)
MOVQ key+16(FP), DX
MOVL nkey+24(FP), BX
MOVQ DX, 8(SP)
CMPL BX, $32
JEQ esetup256
CMPL BX, $24
JEQ esetup192
CMPL BX, $16
JEQ esetup128
XORL AX, AX
RET
esetup256:
CALL setupEnc256<>(SB)
JMP dsetup
esetup192:
CALL setupEnc192<>(SB)
JMP dsetup
esetup128:
CALL setupEnc128<>(SB)
dsetup:
MOVQ erk+0(FP), SI
MOVQ drk+8(FP), DI
MOVL AX, BX
SHLL $4, BX
ADDQ BX, SI
MOVO (SI), X0
MOVO X0, (DI)
MOVO -16(SI), X1
MOVO -32(SI), X2
MOVO -48(SI), X3
MOVO -64(SI), X4
AESIMC(1, 1)
AESIMC(2, 2)
AESIMC(3, 3)
AESIMC(4, 4)
MOVO X1, 16(DI)
MOVO X2, 32(DI)
MOVO X3, 48(DI)
MOVO X4, 64(DI)
MOVO -80(SI), X1
MOVO -96(SI), X2
MOVO -112(SI), X3
MOVO -128(SI), X4
AESIMC(1, 1)
AESIMC(2, 2)
AESIMC(3, 3)
AESIMC(4, 4)
MOVO X1, 80(DI)
MOVO X2, 96(DI)
MOVO X3, 112(DI)
MOVO X4, 128(DI)
MOVO -144(SI), X1
AESIMC(1, 1)
MOVO X1, 144(DI)
CMPL AX, $10
JEQ dsetupend
MOVO -160(SI), X1
MOVO -176(SI), X2
AESIMC(1, 1)
AESIMC(2, 2)
MOVO X1, 160(DI)
MOVO X2, 176(DI)
CMPL AX, $12
JEQ dsetupend
MOVO -192(SI), X1
MOVO -208(SI), X2
AESIMC(1, 1)
AESIMC(2, 2)
MOVO X1, 192(DI)
MOVO X2, 208(DI)
dsetupend:
SUBQ BX, SI
ADDQ BX, DI
MOVO (SI), X0
MOVO X0, (DI)
RET
TEXT setupEnc128<>(SB), 0, $0
MOVQ key+8(FP), SI
MOVOU (SI), X1
MOVO X1, (RARG)
AESKEYGENASSIST(0x01, 1, 0)
CALL rk128<>(SB)
MOVO X1, 16(RARG)
AESKEYGENASSIST(0x02, 1, 0)
CALL rk128<>(SB)
MOVO X1, 32(RARG)
AESKEYGENASSIST(0x04, 1, 0)
CALL rk128<>(SB)
MOVO X1, 48(RARG)
AESKEYGENASSIST(0x08, 1, 0)
CALL rk128<>(SB)
MOVO X1, 64(RARG)
AESKEYGENASSIST(0x10, 1, 0)
CALL rk128<>(SB)
MOVO X1, 80(RARG)
AESKEYGENASSIST(0x20, 1, 0)
CALL rk128<>(SB)
MOVO X1, 96(RARG)
AESKEYGENASSIST(0x40, 1, 0)
CALL rk128<>(SB)
MOVO X1, 112(RARG)
AESKEYGENASSIST(0x80, 1, 0)
CALL rk128<>(SB)
MOVO X1, 128(RARG)
AESKEYGENASSIST(0x1b, 1, 0)
CALL rk128<>(SB)
MOVO X1, 144(RARG)
AESKEYGENASSIST(0x36, 1, 0)
CALL rk128<>(SB)
MOVO X1, 160(RARG)
MOVL $10, AX
RET
TEXT rk128<>(SB), 0, $0
PSHUFL $0xff, X0, X0
MOVO X1, X2
PSLLO $4, X2
PXOR X2, X1
PSLLO $4, X2
PXOR X2, X1
PSLLO $4, X2
PXOR X2, X1
PXOR X0, X1
RET
TEXT setupEnc192<>(SB), 0, $0
MOVQ key+8(FP), SI
MOVOU (SI), X1
MOVOU 16(SI), X2
MOVO X1, (RARG)
MOVO X2, X5
AESKEYGENASSIST(0x01, 2, 0)
CALL rk192<>(SB)
SHUFPD $0, X1, X5
MOVO X5, 16(RARG)
MOVO X1, X6
SHUFPD $1, X2, X6
MOVO X6, 32(RARG)
AESKEYGENASSIST(0x02, 2, 0)
CALL rk192<>(SB)
MOVO X1, 48(RARG)
MOVO X2, X5
AESKEYGENASSIST(0x04, 2, 0)
CALL rk192<>(SB)
SHUFPD $0, X1, X5
MOVO X5, 64(RARG)
MOVO X1, X6
SHUFPD $1, X2, X6
MOVO X6, 80(RARG)
AESKEYGENASSIST(0x08, 2, 0)
CALL rk192<>(SB)
MOVO X1, 96(RARG)
MOVO X2, X5
AESKEYGENASSIST(0x10, 2, 0)
CALL rk192<>(SB)
SHUFPD $0, X1, X5
MOVO X5, 112(RARG)
MOVO X1, X6
SHUFPD $1, X2, X6
MOVO X6, 128(RARG)
AESKEYGENASSIST(0x20, 2, 0)
CALL rk192<>(SB)
MOVO X1, 144(RARG)
MOVO X2, X5
AESKEYGENASSIST(0x40, 2, 0)
CALL rk192<>(SB)
SHUFPD $0, X1, X5
MOVO X5, 160(RARG)
MOVO X1, X6
SHUFPD $1, X2, X6
MOVO X6, 176(RARG)
AESKEYGENASSIST(0x80, 2, 0)
CALL rk192<>(SB)
MOVO X1, 192(RARG)
MOVL $12, AX
RET
TEXT rk192<>(SB), 0, $0
PSHUFL $0x55, X0, X0
MOVOU X1, X4
PSLLO $4, X4
PXOR X4, X1
PSLLO $4, X4
PXOR X4, X1
PSLLO $4, X4
PXOR X4, X1
PXOR X0, X1
PSHUFL $0xff, X1, X0
MOVOU X2, X4
PSLLO $4, X4
PXOR X4, X2
PXOR X0, X2
RET
TEXT setupEnc256<>(SB), 0, $0
MOVQ key+8(FP), SI
MOVOU (SI), X1
MOVOU 16(SI), X2
MOVO X1, (RARG)
MOVO X2, 16(RARG)
AESKEYGENASSIST(0x01, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 32(RARG)
AESKEYGENASSIST(0x00, 1, 0)
CALL rk256_b<>(SB)
MOVO X2, 48(RARG)
AESKEYGENASSIST(0x02, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 64(RARG)
AESKEYGENASSIST(0x00, 1, 0)
CALL rk256_b<>(SB)
MOVO X2, 80(RARG)
AESKEYGENASSIST(0x04, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 96(RARG)
AESKEYGENASSIST(0x00, 1, 0)
CALL rk256_b<>(SB)
MOVO X2, 112(RARG)
AESKEYGENASSIST(0x08, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 128(RARG)
AESKEYGENASSIST(0x00, 1, 0)
CALL rk256_b<>(SB)
MOVO X2, 144(RARG)
AESKEYGENASSIST(0x10, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 160(RARG)
AESKEYGENASSIST(0x00, 1, 0)
CALL rk256_b<>(SB)
MOVO X2, 176(RARG)
AESKEYGENASSIST(0x20, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 192(RARG)
AESKEYGENASSIST(0x00, 1, 0)
CALL rk256_b<>(SB)
MOVO X2, 208(RARG)
AESKEYGENASSIST(0x40, 2, 0)
CALL rk256_a<>(SB)
MOVO X1, 224(RARG)
MOVL $14, AX
RET
TEXT rk256_a<>(SB), 0, $0
PSHUFL $0xff, X0, X0
MOVO X1, X4
PSLLO $4, X4
PXOR X4, X1
PSLLO $4, X4
PXOR X4, X1
PSLLO $4, X4
PXOR X4, X1
PXOR X0, X1
RET
TEXT rk256_b<>(SB), 0, $0
PSHUFL $0xaa, X0, X0
MOVO X2, X4
PSLLO $4, X4
PXOR X4, X2
PSLLO $4, X4
PXOR X4, X2
PSLLO $4, X4
PXOR X4, X2
PXOR X0, X2
RET
|
