📄 bx86unix.cpp
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xorl %eax, %eax
xorl %ebx, %esi
/* Round 13 */
movl 52(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %edi
/* Round 12 */
movl 48(%ebp), %edx
movl %edi, %ebx
xorl %edx, %esi
shrl $16, %ebx
movl %edi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %esi
/* Round 11 */
movl 44(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %edi
/* Round 10 */
movl 40(%ebp), %edx
movl %edi, %ebx
xorl %edx, %esi
shrl $16, %ebx
movl %edi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %esi
/* Round 9 */
movl 36(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %edi
/* Round 8 */
movl 32(%ebp), %edx
movl %edi, %ebx
xorl %edx, %esi
shrl $16, %ebx
movl %edi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %esi
/* Round 7 */
movl 28(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %edi
/* Round 6 */
movl 24(%ebp), %edx
movl %edi, %ebx
xorl %edx, %esi
shrl $16, %ebx
movl %edi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %esi
/* Round 5 */
movl 20(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %edi
/* Round 4 */
movl 16(%ebp), %edx
movl %edi, %ebx
xorl %edx, %esi
shrl $16, %ebx
movl %edi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %esi
/* Round 3 */
movl 12(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %edi
/* Round 2 */
movl 8(%ebp), %edx
movl %edi, %ebx
xorl %edx, %esi
shrl $16, %ebx
movl %edi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
xorl %eax, %eax
xorl %ebx, %esi
/* Round 1 */
movl 4(%ebp), %edx
movl %esi, %ebx
xorl %edx, %edi
shrl $16, %ebx
movl %esi, %edx
movb %bh, %al
andl $255, %ebx
movb %dh, %cl
andl $255, %edx
movl 72(%ebp,%eax,4),%eax
movl 1096(%ebp,%ebx,4),%ebx
addl %eax, %ebx
movl 2120(%ebp,%ecx,4),%eax
xorl %eax, %ebx
movl 3144(%ebp,%edx,4),%edx
addl %edx, %ebx
/* Load parameter 0 (1) enc=0 */
movl 20(%esp), %eax
xorl %ebx, %edi
movl (%ebp), %edx
xorl %edx, %esi
movl %edi, 4(%eax)
movl %esi, (%eax)
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.BF_decrypt_end:
SIZE(BF_decrypt,.BF_decrypt_end-BF_decrypt)
.ident "BF_decrypt"
.text
.align ALIGN
.globl BF_cbc_encrypt
TYPE(BF_cbc_encrypt,@function)
BF_cbc_encrypt:
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 28(%esp), %ebp
/* getting iv ptr from parameter 4 */
movl 36(%esp), %ebx
movl (%ebx), %esi
movl 4(%ebx), %edi
pushl %edi
pushl %esi
pushl %edi
pushl %esi
movl %esp, %ebx
movl 36(%esp), %esi
movl 40(%esp), %edi
/* getting encrypt flag from parameter 5 */
movl 56(%esp), %ecx
/* get and push parameter 3 */
movl 48(%esp), %eax
pushl %eax
pushl %ebx
cmpl $0, %ecx
jz .L000decrypt
andl $4294967288, %ebp
movl 8(%esp), %eax
movl 12(%esp), %ebx
jz .L001encrypt_finish
.L002encrypt_loop:
movl (%esi), %ecx
movl 4(%esi), %edx
xorl %ecx, %eax
xorl %edx, %ebx
bswapl %eax
bswapl %ebx
movl %eax, 8(%esp)
movl %ebx, 12(%esp)
call BF_encrypt
movl 8(%esp), %eax
movl 12(%esp), %ebx
bswapl %eax
bswapl %ebx
movl %eax, (%edi)
movl %ebx, 4(%edi)
addl $8, %esi
addl $8, %edi
subl $8, %ebp
jnz .L002encrypt_loop
.L001encrypt_finish:
movl 52(%esp), %ebp
andl $7, %ebp
jz .L003finish
xorl %ecx, %ecx
xorl %edx, %edx
movl .L004cbc_enc_jmp_table(,%ebp,4),%ebp
jmp *%ebp
.L005ej7:
movb 6(%esi), %dh
sall $8, %edx
.L006ej6:
movb 5(%esi), %dh
.L007ej5:
movb 4(%esi), %dl
.L008ej4:
movl (%esi), %ecx
jmp .L009ejend
.L010ej3:
movb 2(%esi), %ch
sall $8, %ecx
.L011ej2:
movb 1(%esi), %ch
.L012ej1:
movb (%esi), %cl
.L009ejend:
xorl %ecx, %eax
xorl %edx, %ebx
bswapl %eax
bswapl %ebx
movl %eax, 8(%esp)
movl %ebx, 12(%esp)
call BF_encrypt
movl 8(%esp), %eax
movl 12(%esp), %ebx
bswapl %eax
bswapl %ebx
movl %eax, (%edi)
movl %ebx, 4(%edi)
jmp .L003finish
.align ALIGN
.L000decrypt:
andl $4294967288, %ebp
movl 16(%esp), %eax
movl 20(%esp), %ebx
jz .L013decrypt_finish
.L014decrypt_loop:
movl (%esi), %eax
movl 4(%esi), %ebx
bswapl %eax
bswapl %ebx
movl %eax, 8(%esp)
movl %ebx, 12(%esp)
call BF_decrypt
movl 8(%esp), %eax
movl 12(%esp), %ebx
bswapl %eax
bswapl %ebx
movl 16(%esp), %ecx
movl 20(%esp), %edx
xorl %eax, %ecx
xorl %ebx, %edx
movl (%esi), %eax
movl 4(%esi), %ebx
movl %ecx, (%edi)
movl %edx, 4(%edi)
movl %eax, 16(%esp)
movl %ebx, 20(%esp)
addl $8, %esi
addl $8, %edi
subl $8, %ebp
jnz .L014decrypt_loop
.L013decrypt_finish:
movl 52(%esp), %ebp
andl $7, %ebp
jz .L003finish
movl (%esi), %eax
movl 4(%esi), %ebx
bswapl %eax
bswapl %ebx
movl %eax, 8(%esp)
movl %ebx, 12(%esp)
call BF_decrypt
movl 8(%esp), %eax
movl 12(%esp), %ebx
bswapl %eax
bswapl %ebx
movl 16(%esp), %ecx
movl 20(%esp), %edx
xorl %eax, %ecx
xorl %ebx, %edx
movl (%esi), %eax
movl 4(%esi), %ebx
.L015dj7:
rorl $16, %edx
movb %dl, 6(%edi)
shrl $16, %edx
.L016dj6:
movb %dh, 5(%edi)
.L017dj5:
movb %dl, 4(%edi)
.L018dj4:
movl %ecx, (%edi)
jmp .L019djend
.L020dj3:
rorl $16, %ecx
movb %cl, 2(%edi)
sall $16, %ecx
.L021dj2:
movb %ch, 1(%esi)
.L022dj1:
movb %cl, (%esi)
.L019djend:
jmp .L003finish
.align ALIGN
.L003finish:
movl 60(%esp), %ecx
addl $24, %esp
movl %eax, (%ecx)
movl %ebx, 4(%ecx)
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.align ALIGN
.L004cbc_enc_jmp_table:
.long 0
.long .L012ej1
.long .L011ej2
.long .L010ej3
.long .L008ej4
.long .L007ej5
.long .L006ej6
.long .L005ej7
.align ALIGN
.L023cbc_dec_jmp_table:
.long 0
.long .L022dj1
.long .L021dj2
.long .L020dj3
.long .L018dj4
.long .L017dj5
.long .L016dj6
.long .L015dj7
.BF_cbc_encrypt_end:
SIZE(BF_cbc_encrypt,.BF_cbc_encrypt_end-BF_cbc_encrypt)
.ident "desasm.pl"
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