kernel/arch/arm64/crypto/aes-neon.S

   1 /*
   2  * linux/arch/arm64/crypto/aes-neon.S - AES cipher for ARMv8 NEON
   3  *
   4  * Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/linkage.h>
  12
  13 #define AES_ENTRY(func)         ENTRY(neon_ ## func)
  14 #define AES_ENDPROC(func)       ENDPROC(neon_ ## func)
  15
  16         /* multiply by polynomial 'x' in GF(2^8) */
  17         .macro          mul_by_x, out, in, temp, const
  18         sshr            \temp, \in, #7
  19         add             \out, \in, \in
  20         and             \temp, \temp, \const
  21         eor             \out, \out, \temp
  22         .endm
  23
  24         /* preload the entire Sbox */
  25         .macro          prepare, sbox, shiftrows, temp
  26         adr             \temp, \sbox
  27         movi            v12.16b, #0x40
  28         ldr             q13, \shiftrows
  29         movi            v14.16b, #0x1b
  30         ld1             {v16.16b-v19.16b}, [\temp], #64
  31         ld1             {v20.16b-v23.16b}, [\temp], #64
  32         ld1             {v24.16b-v27.16b}, [\temp], #64
  33         ld1             {v28.16b-v31.16b}, [\temp]
  34         .endm
  35
  36         /* do preload for encryption */
  37         .macro          enc_prepare, ignore0, ignore1, temp
  38         prepare         .LForward_Sbox, .LForward_ShiftRows, \temp
  39         .endm
  40
  41         .macro          enc_switch_key, ignore0, ignore1, temp
  42         /* do nothing */
  43         .endm
  44
  45         /* do preload for decryption */
  46         .macro          dec_prepare, ignore0, ignore1, temp
  47         prepare         .LReverse_Sbox, .LReverse_ShiftRows, \temp
  48         .endm
  49
  50         /* apply SubBytes transformation using the the preloaded Sbox */
  51         .macro          sub_bytes, in
  52         sub             v9.16b, \in\().16b, v12.16b
  53         tbl             \in\().16b, {v16.16b-v19.16b}, \in\().16b
  54         sub             v10.16b, v9.16b, v12.16b
  55         tbx             \in\().16b, {v20.16b-v23.16b}, v9.16b
  56         sub             v11.16b, v10.16b, v12.16b
  57         tbx             \in\().16b, {v24.16b-v27.16b}, v10.16b
  58         tbx             \in\().16b, {v28.16b-v31.16b}, v11.16b
  59         .endm
  60
  61         /* apply MixColumns transformation */
  62         .macro          mix_columns, in
  63         mul_by_x        v10.16b, \in\().16b, v9.16b, v14.16b
  64         rev32           v8.8h, \in\().8h
  65         eor             \in\().16b, v10.16b, \in\().16b
  66         shl             v9.4s, v8.4s, #24
  67         shl             v11.4s, \in\().4s, #24
  68         sri             v9.4s, v8.4s, #8
  69         sri             v11.4s, \in\().4s, #8
  70         eor             v9.16b, v9.16b, v8.16b
  71         eor             v10.16b, v10.16b, v9.16b
  72         eor             \in\().16b, v10.16b, v11.16b
  73         .endm
  74
  75         /* Inverse MixColumns: pre-multiply by { 5, 0, 4, 0 } */
  76         .macro          inv_mix_columns, in
  77         mul_by_x        v11.16b, \in\().16b, v10.16b, v14.16b
  78         mul_by_x        v11.16b, v11.16b, v10.16b, v14.16b
  79         eor             \in\().16b, \in\().16b, v11.16b
  80         rev32           v11.8h, v11.8h
  81         eor             \in\().16b, \in\().16b, v11.16b
  82         mix_columns     \in
  83         .endm
  84
  85         .macro          do_block, enc, in, rounds, rk, rkp, i
  86         ld1             {v15.16b}, [\rk]
  87         add             \rkp, \rk, #16
  88         mov             \i, \rounds
  89 1111:   eor             \in\().16b, \in\().16b, v15.16b         /* ^round key */
  90         tbl             \in\().16b, {\in\().16b}, v13.16b       /* ShiftRows */
  91         sub_bytes       \in
  92         ld1             {v15.16b}, [\rkp], #16
  93         subs            \i, \i, #1
  94         beq             2222f
  95         .if             \enc == 1
  96         mix_columns     \in
  97         .else
  98         inv_mix_columns \in
  99         .endif
 100         b               1111b
 101 2222:   eor             \in\().16b, \in\().16b, v15.16b         /* ^round key */
 102         .endm
 103
 104         .macro          encrypt_block, in, rounds, rk, rkp, i
 105         do_block        1, \in, \rounds, \rk, \rkp, \i
 106         .endm
 107
 108         .macro          decrypt_block, in, rounds, rk, rkp, i
 109         do_block        0, \in, \rounds, \rk, \rkp, \i
 110         .endm
 111
 112         /*
 113          * Interleaved versions: functionally equivalent to the
 114          * ones above, but applied to 2 or 4 AES states in parallel.
 115          */
 116
 117         .macro          sub_bytes_2x, in0, in1
 118         sub             v8.16b, \in0\().16b, v12.16b
 119         sub             v9.16b, \in1\().16b, v12.16b
 120         tbl             \in0\().16b, {v16.16b-v19.16b}, \in0\().16b
 121         tbl             \in1\().16b, {v16.16b-v19.16b}, \in1\().16b
 122         sub             v10.16b, v8.16b, v12.16b
 123         sub             v11.16b, v9.16b, v12.16b
 124         tbx             \in0\().16b, {v20.16b-v23.16b}, v8.16b
 125         tbx             \in1\().16b, {v20.16b-v23.16b}, v9.16b
 126         sub             v8.16b, v10.16b, v12.16b
 127         sub             v9.16b, v11.16b, v12.16b
 128         tbx             \in0\().16b, {v24.16b-v27.16b}, v10.16b
 129         tbx             \in1\().16b, {v24.16b-v27.16b}, v11.16b
 130         tbx             \in0\().16b, {v28.16b-v31.16b}, v8.16b
 131         tbx             \in1\().16b, {v28.16b-v31.16b}, v9.16b
 132         .endm
 133
 134         .macro          sub_bytes_4x, in0, in1, in2, in3
 135         sub             v8.16b, \in0\().16b, v12.16b
 136         tbl             \in0\().16b, {v16.16b-v19.16b}, \in0\().16b
 137         sub             v9.16b, \in1\().16b, v12.16b
 138         tbl             \in1\().16b, {v16.16b-v19.16b}, \in1\().16b
 139         sub             v10.16b, \in2\().16b, v12.16b
 140         tbl             \in2\().16b, {v16.16b-v19.16b}, \in2\().16b
 141         sub             v11.16b, \in3\().16b, v12.16b
 142         tbl             \in3\().16b, {v16.16b-v19.16b}, \in3\().16b
 143         tbx             \in0\().16b, {v20.16b-v23.16b}, v8.16b
 144         tbx             \in1\().16b, {v20.16b-v23.16b}, v9.16b
 145         sub             v8.16b, v8.16b, v12.16b
 146         tbx             \in2\().16b, {v20.16b-v23.16b}, v10.16b
 147         sub             v9.16b, v9.16b, v12.16b
 148         tbx             \in3\().16b, {v20.16b-v23.16b}, v11.16b
 149         sub             v10.16b, v10.16b, v12.16b
 150         tbx             \in0\().16b, {v24.16b-v27.16b}, v8.16b
 151         sub             v11.16b, v11.16b, v12.16b
 152         tbx             \in1\().16b, {v24.16b-v27.16b}, v9.16b
 153         sub             v8.16b, v8.16b, v12.16b
 154         tbx             \in2\().16b, {v24.16b-v27.16b}, v10.16b
 155         sub             v9.16b, v9.16b, v12.16b
 156         tbx             \in3\().16b, {v24.16b-v27.16b}, v11.16b
 157         sub             v10.16b, v10.16b, v12.16b
 158         tbx             \in0\().16b, {v28.16b-v31.16b}, v8.16b
 159         sub             v11.16b, v11.16b, v12.16b
 160         tbx             \in1\().16b, {v28.16b-v31.16b}, v9.16b
 161         tbx             \in2\().16b, {v28.16b-v31.16b}, v10.16b
 162         tbx             \in3\().16b, {v28.16b-v31.16b}, v11.16b
 163         .endm
 164
 165         .macro          mul_by_x_2x, out0, out1, in0, in1, tmp0, tmp1, const
 166         sshr            \tmp0\().16b, \in0\().16b,  #7
 167         add             \out0\().16b, \in0\().16b,  \in0\().16b
 168         sshr            \tmp1\().16b, \in1\().16b,  #7
 169         and             \tmp0\().16b, \tmp0\().16b, \const\().16b
 170         add             \out1\().16b, \in1\().16b,  \in1\().16b
 171         and             \tmp1\().16b, \tmp1\().16b, \const\().16b
 172         eor             \out0\().16b, \out0\().16b, \tmp0\().16b
 173         eor             \out1\().16b, \out1\().16b, \tmp1\().16b
 174         .endm
 175
 176         .macro          mix_columns_2x, in0, in1
 177         mul_by_x_2x     v8, v9, \in0, \in1, v10, v11, v14
 178         rev32           v10.8h, \in0\().8h
 179         rev32           v11.8h, \in1\().8h
 180         eor             \in0\().16b, v8.16b, \in0\().16b
 181         eor             \in1\().16b, v9.16b, \in1\().16b
 182         shl             v12.4s, v10.4s, #24
 183         shl             v13.4s, v11.4s, #24
 184         eor             v8.16b, v8.16b, v10.16b
 185         sri             v12.4s, v10.4s, #8
 186         shl             v10.4s, \in0\().4s, #24
 187         eor             v9.16b, v9.16b, v11.16b
 188         sri             v13.4s, v11.4s, #8
 189         shl             v11.4s, \in1\().4s, #24
 190         sri             v10.4s, \in0\().4s, #8
 191         eor             \in0\().16b, v8.16b, v12.16b
 192         sri             v11.4s, \in1\().4s, #8
 193         eor             \in1\().16b, v9.16b, v13.16b
 194         eor             \in0\().16b, v10.16b, \in0\().16b
 195         eor             \in1\().16b, v11.16b, \in1\().16b
 196         .endm
 197
 198         .macro          inv_mix_cols_2x, in0, in1
 199         mul_by_x_2x     v8, v9, \in0, \in1, v10, v11, v14
 200         mul_by_x_2x     v8, v9, v8, v9, v10, v11, v14
 201         eor             \in0\().16b, \in0\().16b, v8.16b
 202         eor             \in1\().16b, \in1\().16b, v9.16b
 203         rev32           v8.8h, v8.8h
 204         rev32           v9.8h, v9.8h
 205         eor             \in0\().16b, \in0\().16b, v8.16b
 206         eor             \in1\().16b, \in1\().16b, v9.16b
 207         mix_columns_2x  \in0, \in1
 208         .endm
 209
 210         .macro          inv_mix_cols_4x, in0, in1, in2, in3
 211         mul_by_x_2x     v8, v9, \in0, \in1, v10, v11, v14
 212         mul_by_x_2x     v10, v11, \in2, \in3, v12, v13, v14
 213         mul_by_x_2x     v8, v9, v8, v9, v12, v13, v14
 214         mul_by_x_2x     v10, v11, v10, v11, v12, v13, v14
 215         eor             \in0\().16b, \in0\().16b, v8.16b
 216         eor             \in1\().16b, \in1\().16b, v9.16b
 217         eor             \in2\().16b, \in2\().16b, v10.16b
 218         eor             \in3\().16b, \in3\().16b, v11.16b
 219         rev32           v8.8h, v8.8h
 220         rev32           v9.8h, v9.8h
 221         rev32           v10.8h, v10.8h
 222         rev32           v11.8h, v11.8h
 223         eor             \in0\().16b, \in0\().16b, v8.16b
 224         eor             \in1\().16b, \in1\().16b, v9.16b
 225         eor             \in2\().16b, \in2\().16b, v10.16b
 226         eor             \in3\().16b, \in3\().16b, v11.16b
 227         mix_columns_2x  \in0, \in1
 228         mix_columns_2x  \in2, \in3
 229         .endm
 230
 231         .macro          do_block_2x, enc, in0, in1 rounds, rk, rkp, i
 232         ld1             {v15.16b}, [\rk]
 233         add             \rkp, \rk, #16
 234         mov             \i, \rounds
 235 1111:   eor             \in0\().16b, \in0\().16b, v15.16b       /* ^round key */
 236         eor             \in1\().16b, \in1\().16b, v15.16b       /* ^round key */
 237         sub_bytes_2x    \in0, \in1
 238         tbl             \in0\().16b, {\in0\().16b}, v13.16b     /* ShiftRows */
 239         tbl             \in1\().16b, {\in1\().16b}, v13.16b     /* ShiftRows */
 240         ld1             {v15.16b}, [\rkp], #16
 241         subs            \i, \i, #1
 242         beq             2222f
 243         .if             \enc == 1
 244         mix_columns_2x  \in0, \in1
 245         ldr             q13, .LForward_ShiftRows
 246         .else
 247         inv_mix_cols_2x \in0, \in1
 248         ldr             q13, .LReverse_ShiftRows
 249         .endif
 250         movi            v12.16b, #0x40
 251         b               1111b
 252 2222:   eor             \in0\().16b, \in0\().16b, v15.16b       /* ^round key */
 253         eor             \in1\().16b, \in1\().16b, v15.16b       /* ^round key */
 254         .endm
 255
 256         .macro          do_block_4x, enc, in0, in1, in2, in3, rounds, rk, rkp, i
 257         ld1             {v15.16b}, [\rk]
 258         add             \rkp, \rk, #16
 259         mov             \i, \rounds
 260 1111:   eor             \in0\().16b, \in0\().16b, v15.16b       /* ^round key */
 261         eor             \in1\().16b, \in1\().16b, v15.16b       /* ^round key */
 262         eor             \in2\().16b, \in2\().16b, v15.16b       /* ^round key */
 263         eor             \in3\().16b, \in3\().16b, v15.16b       /* ^round key */
 264         sub_bytes_4x    \in0, \in1, \in2, \in3
 265         tbl             \in0\().16b, {\in0\().16b}, v13.16b     /* ShiftRows */
 266         tbl             \in1\().16b, {\in1\().16b}, v13.16b     /* ShiftRows */
 267         tbl             \in2\().16b, {\in2\().16b}, v13.16b     /* ShiftRows */
 268         tbl             \in3\().16b, {\in3\().16b}, v13.16b     /* ShiftRows */
 269         ld1             {v15.16b}, [\rkp], #16
 270         subs            \i, \i, #1
 271         beq             2222f
 272         .if             \enc == 1
 273         mix_columns_2x  \in0, \in1
 274         mix_columns_2x  \in2, \in3
 275         ldr             q13, .LForward_ShiftRows
 276         .else
 277         inv_mix_cols_4x \in0, \in1, \in2, \in3
 278         ldr             q13, .LReverse_ShiftRows
 279         .endif
 280         movi            v12.16b, #0x40
 281         b               1111b
 282 2222:   eor             \in0\().16b, \in0\().16b, v15.16b       /* ^round key */
 283         eor             \in1\().16b, \in1\().16b, v15.16b       /* ^round key */
 284         eor             \in2\().16b, \in2\().16b, v15.16b       /* ^round key */
 285         eor             \in3\().16b, \in3\().16b, v15.16b       /* ^round key */
 286         .endm
 287
 288         .macro          encrypt_block2x, in0, in1, rounds, rk, rkp, i
 289         do_block_2x     1, \in0, \in1, \rounds, \rk, \rkp, \i
 290         .endm
 291
 292         .macro          decrypt_block2x, in0, in1, rounds, rk, rkp, i
 293         do_block_2x     0, \in0, \in1, \rounds, \rk, \rkp, \i
 294         .endm
 295
 296         .macro          encrypt_block4x, in0, in1, in2, in3, rounds, rk, rkp, i
 297         do_block_4x     1, \in0, \in1, \in2, \in3, \rounds, \rk, \rkp, \i
 298         .endm
 299
 300         .macro          decrypt_block4x, in0, in1, in2, in3, rounds, rk, rkp, i
 301         do_block_4x     0, \in0, \in1, \in2, \in3, \rounds, \rk, \rkp, \i
 302         .endm
 303
 304 #include "aes-modes.S"
 305
 306         .text
 307         .align          4
 308 .LForward_ShiftRows:
 309         .byte           0x0, 0x5, 0xa, 0xf, 0x4, 0x9, 0xe, 0x3
 310         .byte           0x8, 0xd, 0x2, 0x7, 0xc, 0x1, 0x6, 0xb
 311
 312 .LReverse_ShiftRows:
 313         .byte           0x0, 0xd, 0xa, 0x7, 0x4, 0x1, 0xe, 0xb
 314         .byte           0x8, 0x5, 0x2, 0xf, 0xc, 0x9, 0x6, 0x3
 315
 316 .LForward_Sbox:
 317         .byte           0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5
 318         .byte           0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
 319         .byte           0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
 320         .byte           0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
 321         .byte           0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
 322         .byte           0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
 323         .byte           0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
 324         .byte           0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
 325         .byte           0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
 326         .byte           0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
 327         .byte           0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
 328         .byte           0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
 329         .byte           0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
 330         .byte           0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
 331         .byte           0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
 332         .byte           0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
 333         .byte           0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
 334         .byte           0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
 335         .byte           0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
 336         .byte           0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
 337         .byte           0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
 338         .byte           0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
 339         .byte           0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
 340         .byte           0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
 341         .byte           0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
 342         .byte           0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
 343         .byte           0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
 344         .byte           0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
 345         .byte           0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
 346         .byte           0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
 347         .byte           0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
 348         .byte           0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
 349
 350 .LReverse_Sbox:
 351         .byte           0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
 352         .byte           0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
 353         .byte           0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
 354         .byte           0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
 355         .byte           0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
 356         .byte           0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
 357         .byte           0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
 358         .byte           0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
 359         .byte           0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
 360         .byte           0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
 361         .byte           0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
 362         .byte           0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
 363         .byte           0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
 364         .byte           0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
 365         .byte           0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
 366         .byte           0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
 367         .byte           0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
 368         .byte           0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
 369         .byte           0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
 370         .byte           0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
 371         .byte           0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
 372         .byte           0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
 373         .byte           0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
 374         .byte           0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
 375         .byte           0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
 376         .byte           0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
 377         .byte           0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
 378         .byte           0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
 379         .byte           0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
 380         .byte           0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
 381         .byte           0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
 382         .byte           0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d