crypt/sha256.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __sha256_init_ctx
   4         .type   __sha256_init_ctx, @function
   5 __sha256_init_ctx:
   6         movabsq $-4942790177982912921, %rax
   7         movq    $0, 32(%rdi)
   8         movl    $0, 40(%rdi)
   9         movq    %rax, (%rdi)
  10         movabsq $-6534734903820487822, %rax
  11         movq    %rax, 8(%rdi)
  12         movabsq $-7276294671082564993, %rax
  13         movq    %rax, 16(%rdi)
  14         movabsq $6620516960021240235, %rax
  15         movq    %rax, 24(%rdi)
  16         ret
  17         .size   __sha256_init_ctx, .-__sha256_init_ctx
  18         .p2align 4,,15
  19         .globl  __sha256_process_block
  20         .type   __sha256_process_block, @function
  21 __sha256_process_block:
  22         pushq   %r15
  23         pushq   %r14
  24         pushq   %r13
  25         pushq   %r12
  26         pushq   %rbp
  27         pushq   %rbx
  28         movq    %rsi, %rbx
  29         shrq    $2, %rbx
  30         subq    $208, %rsp
  31         addq    %rsi, 32(%rdx)
  32         testq   %rbx, %rbx
  33         movq    %rdi, -88(%rsp)
  34         movl    (%rdx), %edi
  35         movq    %rdx, -64(%rsp)
  36         movq    %rbx, -80(%rsp)
  37         movl    %edi, -108(%rsp)
  38         movl    4(%rdx), %edi
  39         movl    %edi, -104(%rsp)
  40         movl    8(%rdx), %edi
  41         movl    %edi, -100(%rsp)
  42         movl    12(%rdx), %edi
  43         movl    %edi, -112(%rsp)
  44         movl    16(%rdx), %edi
  45         movl    %edi, -96(%rsp)
  46         movl    20(%rdx), %edi
  47         movl    %edi, -116(%rsp)
  48         movl    24(%rdx), %edi
  49         movl    %edi, -92(%rsp)
  50         movl    28(%rdx), %edi
  51         movl    %edi, -120(%rsp)
  52         je      .L4
  53         leaq    -56(%rsp), %r14
  54         leaq    K(%rip), %r15
  55         leaq    192(%r14), %rax
  56         movq    %rax, -72(%rsp)
  57         .p2align 4,,10
  58         .p2align 3
  59 .L9:
  60         movq    -88(%rsp), %rcx
  61         xorl    %eax, %eax
  62         .p2align 4,,10
  63         .p2align 3
  64 .L5:
  65         movl    (%rcx,%rax), %edx
  66         bswap   %edx
  67         movl    %edx, (%r14,%rax)
  68         addq    $4, %rax
  69         cmpq    $64, %rax
  70         jne     .L5
  71         addq    $64, -88(%rsp)
  72         movq    -72(%rsp), %rdi
  73         movq    %r14, %rsi
  74         .p2align 4,,10
  75         .p2align 3
  76 .L6:
  77         movl    56(%rsi), %eax
  78         movl    4(%rsi), %ecx
  79         addq    $4, %rsi
  80         movl    %eax, %edx
  81         movl    %eax, %r8d
  82         shrl    $10, %eax
  83         roll    $13, %r8d
  84         roll    $15, %edx
  85         xorl    %r8d, %edx
  86         movl    %ecx, %r8d
  87         xorl    %eax, %edx
  88         movl    -4(%rsi), %eax
  89         addl    32(%rsi), %eax
  90         roll    $14, %r8d
  91         addl    %eax, %edx
  92         movl    %ecx, %eax
  93         shrl    $3, %ecx
  94         rorl    $7, %eax
  95         xorl    %r8d, %eax
  96         xorl    %ecx, %eax
  97         addl    %edx, %eax
  98         movl    %eax, 60(%rsi)
  99         cmpq    %rsi, %rdi
 100         jne     .L6
 101         movl    -120(%rsp), %eax
 102         movl    -92(%rsp), %ebx
 103         xorl    %r9d, %r9d
 104         movl    -116(%rsp), %ebp
 105         movl    -96(%rsp), %edi
 106         movl    $1116352408, %r12d
 107         movl    -112(%rsp), %r13d
 108         movl    -100(%rsp), %r10d
 109         movl    -104(%rsp), %r11d
 110         movl    -108(%rsp), %r8d
 111         movl    %eax, %esi
 112         jmp     .L8
 113         .p2align 4,,10
 114         .p2align 3
 115 .L17:
 116         movl    (%r15,%r9), %r12d
 117         movl    %r10d, %r13d
 118         movl    %ebx, %esi
 119         movl    %r11d, %r10d
 120         movl    %ebp, %ebx
 121         movl    %r8d, %r11d
 122         movl    %edi, %ebp
 123         movl    %eax, %r8d
 124         movl    %ecx, %edi
 125 .L8:
 126         movl    %edi, %eax
 127         movl    %edi, %edx
 128         movl    %edi, %ecx
 129         rorl    $11, %edx
 130         rorl    $6, %eax
 131         andl    %ebp, %ecx
 132         xorl    %edx, %eax
 133         movl    %edi, %edx
 134         roll    $7, %edx
 135         xorl    %eax, %edx
 136         movl    %edi, %eax
 137         notl    %eax
 138         andl    %ebx, %eax
 139         xorl    %ecx, %eax
 140         movl    %r8d, %ecx
 141         addl    %edx, %eax
 142         movl    %r8d, %edx
 143         addl    (%r14,%r9), %eax
 144         rorl    $13, %ecx
 145         rorl    $2, %edx
 146         addq    $4, %r9
 147         xorl    %ecx, %edx
 148         movl    %r8d, %ecx
 149         roll    $10, %ecx
 150         xorl    %edx, %ecx
 151         movl    %r11d, %edx
 152         addl    %esi, %eax
 153         xorl    %r10d, %edx
 154         movl    %r11d, %esi
 155         addl    %r12d, %eax
 156         andl    %r8d, %edx
 157         andl    %r10d, %esi
 158         xorl    %esi, %edx
 159         addl    %ecx, %edx
 160         leal    (%rax,%r13), %ecx
 161         addl    %edx, %eax
 162         cmpq    $256, %r9
 163         jne     .L17
 164         addl    %eax, -108(%rsp)
 165         addl    %r8d, -104(%rsp)
 166         addl    %r11d, -100(%rsp)
 167         addl    %r10d, -112(%rsp)
 168         addl    %ecx, -96(%rsp)
 169         addl    %edi, -116(%rsp)
 170         addl    %ebp, -92(%rsp)
 171         addl    %ebx, -120(%rsp)
 172         subq    $16, -80(%rsp)
 173         jne     .L9
 174 .L4:
 175         movq    -64(%rsp), %rax
 176         movl    -108(%rsp), %ebx
 177         movl    %ebx, (%rax)
 178         movl    -104(%rsp), %ebx
 179         movl    %ebx, 4(%rax)
 180         movl    -100(%rsp), %ebx
 181         movl    %ebx, 8(%rax)
 182         movl    -112(%rsp), %ebx
 183         movl    %ebx, 12(%rax)
 184         movl    -96(%rsp), %ebx
 185         movl    %ebx, 16(%rax)
 186         movl    -116(%rsp), %ebx
 187         movl    %ebx, 20(%rax)
 188         movl    -92(%rsp), %ebx
 189         movl    %ebx, 24(%rax)
 190         movl    -120(%rsp), %ebx
 191         movl    %ebx, 28(%rax)
 192         addq    $208, %rsp
 193         popq    %rbx
 194         popq    %rbp
 195         popq    %r12
 196         popq    %r13
 197         popq    %r14
 198         popq    %r15
 199         ret
 200         .size   __sha256_process_block, .-__sha256_process_block
 201         .p2align 4,,15
 202         .globl  __sha256_finish_ctx
 203         .type   __sha256_finish_ctx, @function
 204 __sha256_finish_ctx:
 205         pushq   %r13
 206         pushq   %r12
 207         pushq   %rbp
 208         pushq   %rbx
 209         movq    %rsi, %rbp
 210         movq    %rdi, %rbx
 211         subq    $8, %rsp
 212         movl    40(%rdi), %r12d
 213         addq    %r12, 32(%rdi)
 214         cmpl    $55, %r12d
 215         jbe     .L19
 216         movl    $120, %r13d
 217         subl    %r12d, %r13d
 218 .L20:
 219         leaq    48(%rbx,%r12), %rdi
 220         leaq    fillbuf(%rip), %rsi
 221         movq    %r13, %rdx
 222         addq    %r13, %r12
 223         call    memcpy@PLT
 224         movq    32(%rbx), %rax
 225         movq    %r12, %rdx
 226         leaq    8(%r12), %rsi
 227         shrq    $3, %rdx
 228         leaq    48(%rbx), %rdi
 229         salq    $3, %rax
 230         bswap   %rax
 231         movq    %rax, 48(%rbx,%rdx,8)
 232         movq    %rbx, %rdx
 233         call    __sha256_process_block
 234         xorl    %eax, %eax
 235         .p2align 4,,10
 236         .p2align 3
 237 .L21:
 238         movl    (%rbx,%rax), %edx
 239         bswap   %edx
 240         movl    %edx, 0(%rbp,%rax)
 241         addq    $4, %rax
 242         cmpq    $32, %rax
 243         jne     .L21
 244         addq    $8, %rsp
 245         movq    %rbp, %rax
 246         popq    %rbx
 247         popq    %rbp
 248         popq    %r12
 249         popq    %r13
 250         ret
 251         .p2align 4,,10
 252         .p2align 3
 253 .L19:
 254         movl    $56, %r13d
 255         subl    %r12d, %r13d
 256         jmp     .L20
 257         .size   __sha256_finish_ctx, .-__sha256_finish_ctx
 258         .p2align 4,,15
 259         .globl  __sha256_process_bytes
 260         .type   __sha256_process_bytes, @function
 261 __sha256_process_bytes:
 262         pushq   %r15
 263         pushq   %r14
 264         pushq   %r13
 265         pushq   %r12
 266         movq    %rdi, %r12
 267         pushq   %rbp
 268         pushq   %rbx
 269         movq    %rdx, %rbp
 270         movq    %rsi, %rbx
 271         subq    $8, %rsp
 272         movl    40(%rdx), %eax
 273         testl   %eax, %eax
 274         jne     .L63
 275 .L25:
 276         cmpq    $63, %rbx
 277         ja      .L64
 278 .L33:
 279         testq   %rbx, %rbx
 280         jne     .L65
 281         addq    $8, %rsp
 282         popq    %rbx
 283         popq    %rbp
 284         popq    %r12
 285         popq    %r13
 286         popq    %r14
 287         popq    %r15
 288         ret
 289         .p2align 4,,10
 290         .p2align 3
 291 .L65:
 292         movl    40(%rbp), %esi
 293         cmpl    $8, %ebx
 294         movl    %ebx, %eax
 295         leaq    48(%rbp,%rsi), %rcx
 296         jnb     .L35
 297         testb   $4, %bl
 298         jne     .L66
 299         testl   %ebx, %ebx
 300         je      .L36
 301         movzbl  (%r12), %edx
 302         testb   $2, %al
 303         movb    %dl, (%rcx)
 304         jne     .L67
 305 .L36:
 306         addq    %rsi, %rbx
 307         cmpq    $63, %rbx
 308         jbe     .L41
 309         leaq    48(%rbp), %r12
 310         movq    %rbp, %rdx
 311         movl    $64, %esi
 312         subq    $64, %rbx
 313         movq    %r12, %rdi
 314         call    __sha256_process_block
 315         leaq    112(%rbp), %rsi
 316         movq    %rbx, %rdx
 317         movq    %r12, %rdi
 318         call    memcpy@PLT
 319 .L41:
 320         movl    %ebx, 40(%rbp)
 321         addq    $8, %rsp
 322         popq    %rbx
 323         popq    %rbp
 324         popq    %r12
 325         popq    %r13
 326         popq    %r14
 327         popq    %r15
 328         ret
 329         .p2align 4,,10
 330         .p2align 3
 331 .L64:
 332         movq    %rbx, %r13
 333         movq    %r12, %rdi
 334         movq    %rbp, %rdx
 335         andq    $-64, %r13
 336         andl    $63, %ebx
 337         movq    %r13, %rsi
 338         addq    %r13, %r12
 339         call    __sha256_process_block
 340         jmp     .L33
 341         .p2align 4,,10
 342         .p2align 3
 343 .L63:
 344         movl    %eax, %r13d
 345         movl    $128, %edx
 346         subq    %r13, %rdx
 347         leaq    48(%rbp,%r13), %rdi
 348         cmpq    %rsi, %rdx
 349         cmova   %rsi, %rdx
 350         movq    %r12, %rsi
 351         movq    %rdx, %r14
 352         call    memcpy@PLT
 353         movl    40(%rbp), %esi
 354         addl    %r14d, %esi
 355         cmpl    $64, %esi
 356         movl    %esi, 40(%rbp)
 357         ja      .L68
 358 .L26:
 359         addq    %r14, %r12
 360         subq    %r14, %rbx
 361         jmp     .L25
 362         .p2align 4,,10
 363         .p2align 3
 364 .L35:
 365         movq    (%r12), %rax
 366         movq    %rax, (%rcx)
 367         movl    %ebx, %eax
 368         movq    -8(%r12,%rax), %rdx
 369         movq    %rdx, -8(%rcx,%rax)
 370         leaq    8(%rcx), %rdx
 371         andq    $-8, %rdx
 372         subq    %rdx, %rcx
 373         leal    (%rbx,%rcx), %eax
 374         subq    %rcx, %r12
 375         andl    $-8, %eax
 376         cmpl    $8, %eax
 377         jb      .L36
 378         andl    $-8, %eax
 379         xorl    %ecx, %ecx
 380 .L39:
 381         movl    %ecx, %edi
 382         addl    $8, %ecx
 383         movq    (%r12,%rdi), %r8
 384         cmpl    %eax, %ecx
 385         movq    %r8, (%rdx,%rdi)
 386         jb      .L39
 387         jmp     .L36
 388         .p2align 4,,10
 389         .p2align 3
 390 .L68:
 391         leaq    48(%rbp), %r15
 392         andl    $-64, %esi
 393         movq    %rbp, %rdx
 394         movq    %r15, %rdi
 395         call    __sha256_process_block
 396         movl    40(%rbp), %ecx
 397         leaq    0(%r13,%r14), %rax
 398         andq    $-64, %rax
 399         movl    %ecx, %edx
 400         leaq    48(%rbp,%rax), %rax
 401         andl    $63, %edx
 402         cmpl    $8, %edx
 403         movl    %edx, 40(%rbp)
 404         jnb     .L27
 405         testb   $4, %cl
 406         jne     .L69
 407         testl   %edx, %edx
 408         je      .L26
 409         movzbl  (%rax), %esi
 410         andl    $2, %ecx
 411         movb    %sil, 48(%rbp)
 412         je      .L26
 413         movzwl  -2(%rax,%rdx), %eax
 414         movw    %ax, -2(%r15,%rdx)
 415         jmp     .L26
 416         .p2align 4,,10
 417         .p2align 3
 418 .L27:
 419         movq    (%rax), %rcx
 420         movq    %rcx, 48(%rbp)
 421         movl    %edx, %ecx
 422         movq    -8(%rax,%rcx), %rsi
 423         movq    %rsi, -8(%r15,%rcx)
 424         leaq    56(%rbp), %rcx
 425         andq    $-8, %rcx
 426         subq    %rcx, %r15
 427         addl    %r15d, %edx
 428         subq    %r15, %rax
 429         andl    $-8, %edx
 430         cmpl    $8, %edx
 431         jb      .L26
 432         andl    $-8, %edx
 433         xorl    %esi, %esi
 434 .L31:
 435         movl    %esi, %edi
 436         addl    $8, %esi
 437         movq    (%rax,%rdi), %r8
 438         cmpl    %edx, %esi
 439         movq    %r8, (%rcx,%rdi)
 440         jb      .L31
 441         jmp     .L26
 442 .L69:
 443         movl    (%rax), %ecx
 444         movl    %ecx, 48(%rbp)
 445         movl    -4(%rax,%rdx), %eax
 446         movl    %eax, -4(%r15,%rdx)
 447         jmp     .L26
 448         .p2align 4,,10
 449         .p2align 3
 450 .L66:
 451         movl    (%r12), %edx
 452         movl    %edx, (%rcx)
 453         movl    %ebx, %edx
 454         movl    -4(%r12,%rdx), %eax
 455         movl    %eax, -4(%rcx,%rdx)
 456         jmp     .L36
 457 .L67:
 458         movl    %ebx, %edx
 459         movzwl  -2(%r12,%rdx), %eax
 460         movw    %ax, -2(%rcx,%rdx)
 461         jmp     .L36
 462         .size   __sha256_process_bytes, .-__sha256_process_bytes
 463         .section        .rodata
 464         .align 32
 465         .type   K, @object
 466         .size   K, 256
 467 K:
 468         .long   1116352408
 469         .long   1899447441
 470         .long   -1245643825
 471         .long   -373957723
 472         .long   961987163
 473         .long   1508970993
 474         .long   -1841331548
 475         .long   -1424204075
 476         .long   -670586216
 477         .long   310598401
 478         .long   607225278
 479         .long   1426881987
 480         .long   1925078388
 481         .long   -2132889090
 482         .long   -1680079193
 483         .long   -1046744716
 484         .long   -459576895
 485         .long   -272742522
 486         .long   264347078
 487         .long   604807628
 488         .long   770255983
 489         .long   1249150122
 490         .long   1555081692
 491         .long   1996064986
 492         .long   -1740746414
 493         .long   -1473132947
 494         .long   -1341970488
 495         .long   -1084653625
 496         .long   -958395405
 497         .long   -710438585
 498         .long   113926993
 499         .long   338241895
 500         .long   666307205
 501         .long   773529912
 502         .long   1294757372
 503         .long   1396182291
 504         .long   1695183700
 505         .long   1986661051
 506         .long   -2117940946
 507         .long   -1838011259
 508         .long   -1564481375
 509         .long   -1474664885
 510         .long   -1035236496
 511         .long   -949202525
 512         .long   -778901479
 513         .long   -694614492
 514         .long   -200395387
 515         .long   275423344
 516         .long   430227734
 517         .long   506948616
 518         .long   659060556
 519         .long   883997877
 520         .long   958139571
 521         .long   1322822218
 522         .long   1537002063
 523         .long   1747873779
 524         .long   1955562222
 525         .long   2024104815
 526         .long   -2067236844
 527         .long   -1933114872
 528         .long   -1866530822
 529         .long   -1538233109
 530         .long   -1090935817
 531         .long   -965641998
 532         .align 32
 533         .type   fillbuf, @object
 534         .size   fillbuf, 64
 535 fillbuf:
 536         .byte   -128
 537         .byte   0
 538         .zero   62