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| 1 #include "arm_arch.h" |
| 2 |
| 3 #if __ARM_MAX_ARCH__>=7 |
| 4 .text |
| 5 .arch armv7-a |
| 6 .fpu neon |
| 7 .code 32 |
| 8 .align 5 |
| 9 rcon: |
| 10 .long 0x01,0x01,0x01,0x01 |
| 11 .long 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d @ rotate-n-splat |
| 12 .long 0x1b,0x1b,0x1b,0x1b |
| 13 |
| 14 .globl aes_v8_set_encrypt_key |
| 15 .type aes_v8_set_encrypt_key,%function |
| 16 .align 5 |
| 17 aes_v8_set_encrypt_key: |
| 18 .Lenc_key: |
| 19 mov r3,#-1 |
| 20 cmp r0,#0 |
| 21 beq .Lenc_key_abort |
| 22 cmp r2,#0 |
| 23 beq .Lenc_key_abort |
| 24 mov r3,#-2 |
| 25 cmp r1,#128 |
| 26 blt .Lenc_key_abort |
| 27 cmp r1,#256 |
| 28 bgt .Lenc_key_abort |
| 29 tst r1,#0x3f |
| 30 bne .Lenc_key_abort |
| 31 |
| 32 adr r3,rcon |
| 33 cmp r1,#192 |
| 34 |
| 35 veor q0,q0,q0 |
| 36 vld1.8 {q3},[r0]! |
| 37 mov r1,#8 @ reuse r1 |
| 38 vld1.32 {q1,q2},[r3]! |
| 39 |
| 40 blt .Loop128 |
| 41 beq .L192 |
| 42 b .L256 |
| 43 |
| 44 .align 4 |
| 45 .Loop128: |
| 46 vtbl.8 d20,{q3},d4 |
| 47 vtbl.8 d21,{q3},d5 |
| 48 vext.8 q9,q0,q3,#12 |
| 49 vst1.32 {q3},[r2]! |
| 50 .byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 |
| 51 subs r1,r1,#1 |
| 52 |
| 53 veor q3,q3,q9 |
| 54 vext.8 q9,q0,q9,#12 |
| 55 veor q3,q3,q9 |
| 56 vext.8 q9,q0,q9,#12 |
| 57 veor q10,q10,q1 |
| 58 veor q3,q3,q9 |
| 59 vshl.u8 q1,q1,#1 |
| 60 veor q3,q3,q10 |
| 61 bne .Loop128 |
| 62 |
| 63 vld1.32 {q1},[r3] |
| 64 |
| 65 vtbl.8 d20,{q3},d4 |
| 66 vtbl.8 d21,{q3},d5 |
| 67 vext.8 q9,q0,q3,#12 |
| 68 vst1.32 {q3},[r2]! |
| 69 .byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 |
| 70 |
| 71 veor q3,q3,q9 |
| 72 vext.8 q9,q0,q9,#12 |
| 73 veor q3,q3,q9 |
| 74 vext.8 q9,q0,q9,#12 |
| 75 veor q10,q10,q1 |
| 76 veor q3,q3,q9 |
| 77 vshl.u8 q1,q1,#1 |
| 78 veor q3,q3,q10 |
| 79 |
| 80 vtbl.8 d20,{q3},d4 |
| 81 vtbl.8 d21,{q3},d5 |
| 82 vext.8 q9,q0,q3,#12 |
| 83 vst1.32 {q3},[r2]! |
| 84 .byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 |
| 85 |
| 86 veor q3,q3,q9 |
| 87 vext.8 q9,q0,q9,#12 |
| 88 veor q3,q3,q9 |
| 89 vext.8 q9,q0,q9,#12 |
| 90 veor q10,q10,q1 |
| 91 veor q3,q3,q9 |
| 92 veor q3,q3,q10 |
| 93 vst1.32 {q3},[r2] |
| 94 add r2,r2,#0x50 |
| 95 |
| 96 mov r12,#10 |
| 97 b .Ldone |
| 98 |
| 99 .align 4 |
| 100 .L192: |
| 101 vld1.8 {d16},[r0]! |
| 102 vmov.i8 q10,#8 @ borrow q10 |
| 103 vst1.32 {q3},[r2]! |
| 104 vsub.i8 q2,q2,q10 @ adjust the mask |
| 105 |
| 106 .Loop192: |
| 107 vtbl.8 d20,{q8},d4 |
| 108 vtbl.8 d21,{q8},d5 |
| 109 vext.8 q9,q0,q3,#12 |
| 110 vst1.32 {d16},[r2]! |
| 111 .byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 |
| 112 subs r1,r1,#1 |
| 113 |
| 114 veor q3,q3,q9 |
| 115 vext.8 q9,q0,q9,#12 |
| 116 veor q3,q3,q9 |
| 117 vext.8 q9,q0,q9,#12 |
| 118 veor q3,q3,q9 |
| 119 |
| 120 vdup.32 q9,d7[1] |
| 121 veor q9,q9,q8 |
| 122 veor q10,q10,q1 |
| 123 vext.8 q8,q0,q8,#12 |
| 124 vshl.u8 q1,q1,#1 |
| 125 veor q8,q8,q9 |
| 126 veor q3,q3,q10 |
| 127 veor q8,q8,q10 |
| 128 vst1.32 {q3},[r2]! |
| 129 bne .Loop192 |
| 130 |
| 131 mov r12,#12 |
| 132 add r2,r2,#0x20 |
| 133 b .Ldone |
| 134 |
| 135 .align 4 |
| 136 .L256: |
| 137 vld1.8 {q8},[r0] |
| 138 mov r1,#7 |
| 139 mov r12,#14 |
| 140 vst1.32 {q3},[r2]! |
| 141 |
| 142 .Loop256: |
| 143 vtbl.8 d20,{q8},d4 |
| 144 vtbl.8 d21,{q8},d5 |
| 145 vext.8 q9,q0,q3,#12 |
| 146 vst1.32 {q8},[r2]! |
| 147 .byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 |
| 148 subs r1,r1,#1 |
| 149 |
| 150 veor q3,q3,q9 |
| 151 vext.8 q9,q0,q9,#12 |
| 152 veor q3,q3,q9 |
| 153 vext.8 q9,q0,q9,#12 |
| 154 veor q10,q10,q1 |
| 155 veor q3,q3,q9 |
| 156 vshl.u8 q1,q1,#1 |
| 157 veor q3,q3,q10 |
| 158 vst1.32 {q3},[r2]! |
| 159 beq .Ldone |
| 160 |
| 161 vdup.32 q10,d7[1] |
| 162 vext.8 q9,q0,q8,#12 |
| 163 .byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0 |
| 164 |
| 165 veor q8,q8,q9 |
| 166 vext.8 q9,q0,q9,#12 |
| 167 veor q8,q8,q9 |
| 168 vext.8 q9,q0,q9,#12 |
| 169 veor q8,q8,q9 |
| 170 |
| 171 veor q8,q8,q10 |
| 172 b .Loop256 |
| 173 |
| 174 .Ldone: |
| 175 str r12,[r2] |
| 176 mov r3,#0 |
| 177 |
| 178 .Lenc_key_abort: |
| 179 mov r0,r3 @ return value |
| 180 |
| 181 bx lr |
| 182 .size aes_v8_set_encrypt_key,.-aes_v8_set_encrypt_key |
| 183 |
| 184 .globl aes_v8_set_decrypt_key |
| 185 .type aes_v8_set_decrypt_key,%function |
| 186 .align 5 |
| 187 aes_v8_set_decrypt_key: |
| 188 stmdb sp!,{r4,lr} |
| 189 bl .Lenc_key |
| 190 |
| 191 cmp r0,#0 |
| 192 bne .Ldec_key_abort |
| 193 |
| 194 sub r2,r2,#240 @ restore original r2 |
| 195 mov r4,#-16 |
| 196 add r0,r2,r12,lsl#4 @ end of key schedule |
| 197 |
| 198 vld1.32 {q0},[r2] |
| 199 vld1.32 {q1},[r0] |
| 200 vst1.32 {q0},[r0],r4 |
| 201 vst1.32 {q1},[r2]! |
| 202 |
| 203 .Loop_imc: |
| 204 vld1.32 {q0},[r2] |
| 205 vld1.32 {q1},[r0] |
| 206 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 207 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 208 vst1.32 {q0},[r0],r4 |
| 209 vst1.32 {q1},[r2]! |
| 210 cmp r0,r2 |
| 211 bhi .Loop_imc |
| 212 |
| 213 vld1.32 {q0},[r2] |
| 214 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 215 vst1.32 {q0},[r0] |
| 216 |
| 217 eor r0,r0,r0 @ return value |
| 218 .Ldec_key_abort: |
| 219 ldmia sp!,{r4,pc} |
| 220 .size aes_v8_set_decrypt_key,.-aes_v8_set_decrypt_key |
| 221 .globl aes_v8_encrypt |
| 222 .type aes_v8_encrypt,%function |
| 223 .align 5 |
| 224 aes_v8_encrypt: |
| 225 ldr r3,[r2,#240] |
| 226 vld1.32 {q0},[r2]! |
| 227 vld1.8 {q2},[r0] |
| 228 sub r3,r3,#2 |
| 229 vld1.32 {q1},[r2]! |
| 230 |
| 231 .Loop_enc: |
| 232 .byte 0x00,0x43,0xb0,0xf3 @ aese q2,q0 |
| 233 vld1.32 {q0},[r2]! |
| 234 .byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2 |
| 235 subs r3,r3,#2 |
| 236 .byte 0x02,0x43,0xb0,0xf3 @ aese q2,q1 |
| 237 vld1.32 {q1},[r2]! |
| 238 .byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2 |
| 239 bgt .Loop_enc |
| 240 |
| 241 .byte 0x00,0x43,0xb0,0xf3 @ aese q2,q0 |
| 242 vld1.32 {q0},[r2] |
| 243 .byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2 |
| 244 .byte 0x02,0x43,0xb0,0xf3 @ aese q2,q1 |
| 245 veor q2,q2,q0 |
| 246 |
| 247 vst1.8 {q2},[r1] |
| 248 bx lr |
| 249 .size aes_v8_encrypt,.-aes_v8_encrypt |
| 250 .globl aes_v8_decrypt |
| 251 .type aes_v8_decrypt,%function |
| 252 .align 5 |
| 253 aes_v8_decrypt: |
| 254 ldr r3,[r2,#240] |
| 255 vld1.32 {q0},[r2]! |
| 256 vld1.8 {q2},[r0] |
| 257 sub r3,r3,#2 |
| 258 vld1.32 {q1},[r2]! |
| 259 |
| 260 .Loop_dec: |
| 261 .byte 0x40,0x43,0xb0,0xf3 @ aesd q2,q0 |
| 262 vld1.32 {q0},[r2]! |
| 263 .byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2 |
| 264 subs r3,r3,#2 |
| 265 .byte 0x42,0x43,0xb0,0xf3 @ aesd q2,q1 |
| 266 vld1.32 {q1},[r2]! |
| 267 .byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2 |
| 268 bgt .Loop_dec |
| 269 |
| 270 .byte 0x40,0x43,0xb0,0xf3 @ aesd q2,q0 |
| 271 vld1.32 {q0},[r2] |
| 272 .byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2 |
| 273 .byte 0x42,0x43,0xb0,0xf3 @ aesd q2,q1 |
| 274 veor q2,q2,q0 |
| 275 |
| 276 vst1.8 {q2},[r1] |
| 277 bx lr |
| 278 .size aes_v8_decrypt,.-aes_v8_decrypt |
| 279 .globl aes_v8_cbc_encrypt |
| 280 .type aes_v8_cbc_encrypt,%function |
| 281 .align 5 |
| 282 aes_v8_cbc_encrypt: |
| 283 mov ip,sp |
| 284 stmdb sp!,{r4-r8,lr} |
| 285 vstmdb sp!,{d8-d15} @ ABI specification says so |
| 286 ldmia ip,{r4-r5} @ load remaining args |
| 287 subs r2,r2,#16 |
| 288 mov r8,#16 |
| 289 blo .Lcbc_abort |
| 290 moveq r8,#0 |
| 291 |
| 292 cmp r5,#0 @ en- or decrypting? |
| 293 ldr r5,[r3,#240] |
| 294 and r2,r2,#-16 |
| 295 vld1.8 {q6},[r4] |
| 296 vld1.8 {q0},[r0],r8 |
| 297 |
| 298 vld1.32 {q8-q9},[r3] @ load key schedule... |
| 299 sub r5,r5,#6 |
| 300 add r7,r3,r5,lsl#4 @ pointer to last 7 round keys |
| 301 sub r5,r5,#2 |
| 302 vld1.32 {q10-q11},[r7]! |
| 303 vld1.32 {q12-q13},[r7]! |
| 304 vld1.32 {q14-q15},[r7]! |
| 305 vld1.32 {q7},[r7] |
| 306 |
| 307 add r7,r3,#32 |
| 308 mov r6,r5 |
| 309 beq .Lcbc_dec |
| 310 |
| 311 cmp r5,#2 |
| 312 veor q0,q0,q6 |
| 313 veor q5,q8,q7 |
| 314 beq .Lcbc_enc128 |
| 315 |
| 316 .Loop_cbc_enc: |
| 317 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 318 vld1.32 {q8},[r7]! |
| 319 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 320 subs r6,r6,#2 |
| 321 .byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 |
| 322 vld1.32 {q9},[r7]! |
| 323 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 324 bgt .Loop_cbc_enc |
| 325 |
| 326 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 327 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 328 subs r2,r2,#16 |
| 329 .byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 |
| 330 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 331 moveq r8,#0 |
| 332 .byte 0x24,0x03,0xb0,0xf3 @ aese q0,q10 |
| 333 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 334 add r7,r3,#16 |
| 335 .byte 0x26,0x03,0xb0,0xf3 @ aese q0,q11 |
| 336 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 337 vld1.8 {q8},[r0],r8 |
| 338 .byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12 |
| 339 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 340 veor q8,q8,q5 |
| 341 .byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13 |
| 342 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 343 vld1.32 {q9},[r7]! @ re-pre-load rndkey[1] |
| 344 .byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14 |
| 345 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 346 .byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15 |
| 347 |
| 348 mov r6,r5 |
| 349 veor q6,q0,q7 |
| 350 vst1.8 {q6},[r1]! |
| 351 bhs .Loop_cbc_enc |
| 352 |
| 353 b .Lcbc_done |
| 354 |
| 355 .align 5 |
| 356 .Lcbc_enc128: |
| 357 vld1.32 {q2-q3},[r7] |
| 358 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 359 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 360 b .Lenter_cbc_enc128 |
| 361 .Loop_cbc_enc128: |
| 362 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 363 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 364 vst1.8 {q6},[r1]! |
| 365 .Lenter_cbc_enc128: |
| 366 .byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 |
| 367 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 368 subs r2,r2,#16 |
| 369 .byte 0x04,0x03,0xb0,0xf3 @ aese q0,q2 |
| 370 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 371 moveq r8,#0 |
| 372 .byte 0x06,0x03,0xb0,0xf3 @ aese q0,q3 |
| 373 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 374 .byte 0x24,0x03,0xb0,0xf3 @ aese q0,q10 |
| 375 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 376 .byte 0x26,0x03,0xb0,0xf3 @ aese q0,q11 |
| 377 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 378 vld1.8 {q8},[r0],r8 |
| 379 .byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12 |
| 380 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 381 .byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13 |
| 382 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 383 .byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14 |
| 384 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 385 veor q8,q8,q5 |
| 386 .byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15 |
| 387 veor q6,q0,q7 |
| 388 bhs .Loop_cbc_enc128 |
| 389 |
| 390 vst1.8 {q6},[r1]! |
| 391 b .Lcbc_done |
| 392 .align 5 |
| 393 .Lcbc_dec: |
| 394 vld1.8 {q10},[r0]! |
| 395 subs r2,r2,#32 @ bias |
| 396 add r6,r5,#2 |
| 397 vorr q3,q0,q0 |
| 398 vorr q1,q0,q0 |
| 399 vorr q11,q10,q10 |
| 400 blo .Lcbc_dec_tail |
| 401 |
| 402 vorr q1,q10,q10 |
| 403 vld1.8 {q10},[r0]! |
| 404 vorr q2,q0,q0 |
| 405 vorr q3,q1,q1 |
| 406 vorr q11,q10,q10 |
| 407 |
| 408 .Loop3x_cbc_dec: |
| 409 .byte 0x60,0x03,0xb0,0xf3 @ aesd q0,q8 |
| 410 .byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 |
| 411 .byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 |
| 412 vld1.32 {q8},[r7]! |
| 413 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 414 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 415 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 416 subs r6,r6,#2 |
| 417 .byte 0x62,0x03,0xb0,0xf3 @ aesd q0,q9 |
| 418 .byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 |
| 419 .byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 |
| 420 vld1.32 {q9},[r7]! |
| 421 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 422 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 423 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 424 bgt .Loop3x_cbc_dec |
| 425 |
| 426 .byte 0x60,0x03,0xb0,0xf3 @ aesd q0,q8 |
| 427 .byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 |
| 428 .byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 |
| 429 veor q4,q6,q7 |
| 430 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 431 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 432 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 433 veor q5,q2,q7 |
| 434 .byte 0x62,0x03,0xb0,0xf3 @ aesd q0,q9 |
| 435 .byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 |
| 436 .byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 |
| 437 veor q9,q3,q7 |
| 438 subs r2,r2,#0x30 |
| 439 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 440 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 441 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 442 vorr q6,q11,q11 |
| 443 movlo r6,r2 @ r6, r6, is zero at this point |
| 444 .byte 0x68,0x03,0xb0,0xf3 @ aesd q0,q12 |
| 445 .byte 0x68,0x23,0xb0,0xf3 @ aesd q1,q12 |
| 446 .byte 0x68,0x43,0xf0,0xf3 @ aesd q10,q12 |
| 447 add r0,r0,r6 @ r0 is adjusted in such way that |
| 448 @ at exit from the loop q1-q10 |
| 449 @ are loaded with last "words" |
| 450 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 451 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 452 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 453 mov r7,r3 |
| 454 .byte 0x6a,0x03,0xb0,0xf3 @ aesd q0,q13 |
| 455 .byte 0x6a,0x23,0xb0,0xf3 @ aesd q1,q13 |
| 456 .byte 0x6a,0x43,0xf0,0xf3 @ aesd q10,q13 |
| 457 vld1.8 {q2},[r0]! |
| 458 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 459 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 460 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 461 vld1.8 {q3},[r0]! |
| 462 .byte 0x6c,0x03,0xb0,0xf3 @ aesd q0,q14 |
| 463 .byte 0x6c,0x23,0xb0,0xf3 @ aesd q1,q14 |
| 464 .byte 0x6c,0x43,0xf0,0xf3 @ aesd q10,q14 |
| 465 vld1.8 {q11},[r0]! |
| 466 .byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0 |
| 467 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 468 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 469 vld1.32 {q8},[r7]! @ re-pre-load rndkey[0] |
| 470 .byte 0x6e,0x03,0xb0,0xf3 @ aesd q0,q15 |
| 471 .byte 0x6e,0x23,0xb0,0xf3 @ aesd q1,q15 |
| 472 .byte 0x6e,0x43,0xf0,0xf3 @ aesd q10,q15 |
| 473 |
| 474 add r6,r5,#2 |
| 475 veor q4,q4,q0 |
| 476 veor q5,q5,q1 |
| 477 veor q10,q10,q9 |
| 478 vld1.32 {q9},[r7]! @ re-pre-load rndkey[1] |
| 479 vorr q0,q2,q2 |
| 480 vst1.8 {q4},[r1]! |
| 481 vorr q1,q3,q3 |
| 482 vst1.8 {q5},[r1]! |
| 483 vst1.8 {q10},[r1]! |
| 484 vorr q10,q11,q11 |
| 485 bhs .Loop3x_cbc_dec |
| 486 |
| 487 cmn r2,#0x30 |
| 488 beq .Lcbc_done |
| 489 nop |
| 490 |
| 491 .Lcbc_dec_tail: |
| 492 .byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 |
| 493 .byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 |
| 494 vld1.32 {q8},[r7]! |
| 495 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 496 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 497 subs r6,r6,#2 |
| 498 .byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 |
| 499 .byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 |
| 500 vld1.32 {q9},[r7]! |
| 501 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 502 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 503 bgt .Lcbc_dec_tail |
| 504 |
| 505 .byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8 |
| 506 .byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8 |
| 507 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 508 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 509 .byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9 |
| 510 .byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9 |
| 511 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 512 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 513 .byte 0x68,0x23,0xb0,0xf3 @ aesd q1,q12 |
| 514 .byte 0x68,0x43,0xf0,0xf3 @ aesd q10,q12 |
| 515 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 516 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 517 cmn r2,#0x20 |
| 518 .byte 0x6a,0x23,0xb0,0xf3 @ aesd q1,q13 |
| 519 .byte 0x6a,0x43,0xf0,0xf3 @ aesd q10,q13 |
| 520 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 521 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 522 veor q5,q6,q7 |
| 523 .byte 0x6c,0x23,0xb0,0xf3 @ aesd q1,q14 |
| 524 .byte 0x6c,0x43,0xf0,0xf3 @ aesd q10,q14 |
| 525 .byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1 |
| 526 .byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10 |
| 527 veor q9,q3,q7 |
| 528 .byte 0x6e,0x23,0xb0,0xf3 @ aesd q1,q15 |
| 529 .byte 0x6e,0x43,0xf0,0xf3 @ aesd q10,q15 |
| 530 beq .Lcbc_dec_one |
| 531 veor q5,q5,q1 |
| 532 veor q9,q9,q10 |
| 533 vorr q6,q11,q11 |
| 534 vst1.8 {q5},[r1]! |
| 535 vst1.8 {q9},[r1]! |
| 536 b .Lcbc_done |
| 537 |
| 538 .Lcbc_dec_one: |
| 539 veor q5,q5,q10 |
| 540 vorr q6,q11,q11 |
| 541 vst1.8 {q5},[r1]! |
| 542 |
| 543 .Lcbc_done: |
| 544 vst1.8 {q6},[r4] |
| 545 .Lcbc_abort: |
| 546 vldmia sp!,{d8-d15} |
| 547 ldmia sp!,{r4-r8,pc} |
| 548 .size aes_v8_cbc_encrypt,.-aes_v8_cbc_encrypt |
| 549 .globl aes_v8_ctr32_encrypt_blocks |
| 550 .type aes_v8_ctr32_encrypt_blocks,%function |
| 551 .align 5 |
| 552 aes_v8_ctr32_encrypt_blocks: |
| 553 mov ip,sp |
| 554 stmdb sp!,{r4-r10,lr} |
| 555 vstmdb sp!,{d8-d15} @ ABI specification says so |
| 556 ldr r4, [ip] @ load remaining arg |
| 557 ldr r5,[r3,#240] |
| 558 |
| 559 ldr r8, [r4, #12] |
| 560 vld1.32 {q0},[r4] |
| 561 |
| 562 vld1.32 {q8-q9},[r3] @ load key schedule... |
| 563 sub r5,r5,#4 |
| 564 mov r12,#16 |
| 565 cmp r2,#2 |
| 566 add r7,r3,r5,lsl#4 @ pointer to last 5 round keys |
| 567 sub r5,r5,#2 |
| 568 vld1.32 {q12-q13},[r7]! |
| 569 vld1.32 {q14-q15},[r7]! |
| 570 vld1.32 {q7},[r7] |
| 571 add r7,r3,#32 |
| 572 mov r6,r5 |
| 573 movlo r12,#0 |
| 574 #ifndef __ARMEB__ |
| 575 rev r8, r8 |
| 576 #endif |
| 577 vorr q1,q0,q0 |
| 578 add r10, r8, #1 |
| 579 vorr q10,q0,q0 |
| 580 add r8, r8, #2 |
| 581 vorr q6,q0,q0 |
| 582 rev r10, r10 |
| 583 vmov.32 d3[1],r10 |
| 584 bls .Lctr32_tail |
| 585 rev r12, r8 |
| 586 sub r2,r2,#3 @ bias |
| 587 vmov.32 d21[1],r12 |
| 588 b .Loop3x_ctr32 |
| 589 |
| 590 .align 4 |
| 591 .Loop3x_ctr32: |
| 592 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 593 .byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 |
| 594 .byte 0x20,0x43,0xf0,0xf3 @ aese q10,q8 |
| 595 vld1.32 {q8},[r7]! |
| 596 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 597 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 598 .byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10 |
| 599 subs r6,r6,#2 |
| 600 .byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 |
| 601 .byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9 |
| 602 .byte 0x22,0x43,0xf0,0xf3 @ aese q10,q9 |
| 603 vld1.32 {q9},[r7]! |
| 604 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 605 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 606 .byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10 |
| 607 bgt .Loop3x_ctr32 |
| 608 |
| 609 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 610 .byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 |
| 611 .byte 0x20,0x43,0xf0,0xf3 @ aese q10,q8 |
| 612 mov r7,r3 |
| 613 .byte 0x80,0x83,0xb0,0xf3 @ aesmc q4,q0 |
| 614 vld1.8 {q2},[r0]! |
| 615 .byte 0x82,0xa3,0xb0,0xf3 @ aesmc q5,q1 |
| 616 .byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10 |
| 617 vorr q0,q6,q6 |
| 618 .byte 0x22,0x83,0xb0,0xf3 @ aese q4,q9 |
| 619 vld1.8 {q3},[r0]! |
| 620 .byte 0x22,0xa3,0xb0,0xf3 @ aese q5,q9 |
| 621 .byte 0x22,0x43,0xf0,0xf3 @ aese q10,q9 |
| 622 vorr q1,q6,q6 |
| 623 .byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 |
| 624 vld1.8 {q11},[r0]! |
| 625 .byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 |
| 626 .byte 0xa4,0x23,0xf0,0xf3 @ aesmc q9,q10 |
| 627 vorr q10,q6,q6 |
| 628 add r9,r8,#1 |
| 629 .byte 0x28,0x83,0xb0,0xf3 @ aese q4,q12 |
| 630 .byte 0x28,0xa3,0xb0,0xf3 @ aese q5,q12 |
| 631 .byte 0x28,0x23,0xf0,0xf3 @ aese q9,q12 |
| 632 veor q2,q2,q7 |
| 633 add r10,r8,#2 |
| 634 .byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 |
| 635 .byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 |
| 636 .byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9 |
| 637 veor q3,q3,q7 |
| 638 add r8,r8,#3 |
| 639 .byte 0x2a,0x83,0xb0,0xf3 @ aese q4,q13 |
| 640 .byte 0x2a,0xa3,0xb0,0xf3 @ aese q5,q13 |
| 641 .byte 0x2a,0x23,0xf0,0xf3 @ aese q9,q13 |
| 642 veor q11,q11,q7 |
| 643 rev r9,r9 |
| 644 .byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 |
| 645 vld1.32 {q8},[r7]! @ re-pre-load rndkey[0] |
| 646 .byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 |
| 647 .byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9 |
| 648 vmov.32 d1[1], r9 |
| 649 rev r10,r10 |
| 650 .byte 0x2c,0x83,0xb0,0xf3 @ aese q4,q14 |
| 651 .byte 0x2c,0xa3,0xb0,0xf3 @ aese q5,q14 |
| 652 .byte 0x2c,0x23,0xf0,0xf3 @ aese q9,q14 |
| 653 vmov.32 d3[1], r10 |
| 654 rev r12,r8 |
| 655 .byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4 |
| 656 .byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5 |
| 657 .byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9 |
| 658 vmov.32 d21[1], r12 |
| 659 subs r2,r2,#3 |
| 660 .byte 0x2e,0x83,0xb0,0xf3 @ aese q4,q15 |
| 661 .byte 0x2e,0xa3,0xb0,0xf3 @ aese q5,q15 |
| 662 .byte 0x2e,0x23,0xf0,0xf3 @ aese q9,q15 |
| 663 |
| 664 mov r6,r5 |
| 665 veor q2,q2,q4 |
| 666 veor q3,q3,q5 |
| 667 veor q11,q11,q9 |
| 668 vld1.32 {q9},[r7]! @ re-pre-load rndkey[1] |
| 669 vst1.8 {q2},[r1]! |
| 670 vst1.8 {q3},[r1]! |
| 671 vst1.8 {q11},[r1]! |
| 672 bhs .Loop3x_ctr32 |
| 673 |
| 674 adds r2,r2,#3 |
| 675 beq .Lctr32_done |
| 676 cmp r2,#1 |
| 677 mov r12,#16 |
| 678 moveq r12,#0 |
| 679 |
| 680 .Lctr32_tail: |
| 681 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 682 .byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 |
| 683 vld1.32 {q8},[r7]! |
| 684 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 685 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 686 subs r6,r6,#2 |
| 687 .byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 |
| 688 .byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9 |
| 689 vld1.32 {q9},[r7]! |
| 690 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 691 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 692 bgt .Lctr32_tail |
| 693 |
| 694 .byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8 |
| 695 .byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8 |
| 696 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 697 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 698 .byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9 |
| 699 .byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9 |
| 700 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 701 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 702 vld1.8 {q2},[r0],r12 |
| 703 .byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12 |
| 704 .byte 0x28,0x23,0xb0,0xf3 @ aese q1,q12 |
| 705 vld1.8 {q3},[r0] |
| 706 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 707 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 708 .byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13 |
| 709 .byte 0x2a,0x23,0xb0,0xf3 @ aese q1,q13 |
| 710 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 711 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 712 .byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14 |
| 713 .byte 0x2c,0x23,0xb0,0xf3 @ aese q1,q14 |
| 714 veor q2,q2,q7 |
| 715 .byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0 |
| 716 .byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1 |
| 717 veor q3,q3,q7 |
| 718 .byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15 |
| 719 .byte 0x2e,0x23,0xb0,0xf3 @ aese q1,q15 |
| 720 |
| 721 cmp r2,#1 |
| 722 veor q2,q2,q0 |
| 723 veor q3,q3,q1 |
| 724 vst1.8 {q2},[r1]! |
| 725 beq .Lctr32_done |
| 726 vst1.8 {q3},[r1] |
| 727 |
| 728 .Lctr32_done: |
| 729 vldmia sp!,{d8-d15} |
| 730 ldmia sp!,{r4-r10,pc} |
| 731 .size aes_v8_ctr32_encrypt_blocks,.-aes_v8_ctr32_encrypt_blocks |
| 732 #endif |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 862133002:
Update from https://crrev.com/312398 (Closed)
Base URL: git@github.com:domokit/mojo.git@master