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|
%ifidn __OUTPUT_FORMAT__,obj
section code use32 class=code align=64
%elifidn __OUTPUT_FORMAT__,win32
%ifdef __YASM_VERSION_ID__
%if __YASM_VERSION_ID__ < 01010000h
%error yasm version 1.1.0 or later needed.
%endif
; Yasm automatically includes .00 and complains about redefining it.
; https://www.tortall.net/projects/yasm/manual/html/objfmt-win32-safeseh.html
%else
$@feat.00 equ 1
%endif
section .text code align=64
%else
section .text code
%endif
;extern _OPENSSL_ia32cap_P
global _asm_RC4
align 16
_asm_RC4:
L$_asm_RC4_begin:
push ebp
push ebx
push esi
push edi
mov edi,DWORD [20+esp]
mov edx,DWORD [24+esp]
mov esi,DWORD [28+esp]
mov ebp,DWORD [32+esp]
xor eax,eax
xor ebx,ebx
cmp edx,0
je NEAR L$000abort
mov al,BYTE [edi]
mov bl,BYTE [4+edi]
add edi,8
lea ecx,[edx*1+esi]
sub ebp,esi
mov DWORD [24+esp],ecx
inc al
cmp DWORD [256+edi],-1
je NEAR L$001RC4_CHAR
mov ecx,DWORD [eax*4+edi]
and edx,-4
jz NEAR L$002loop1
mov DWORD [32+esp],ebp
test edx,-8
jz NEAR L$003go4loop4
lea ebp,[_OPENSSL_ia32cap_P]
bt DWORD [ebp],26
jnc NEAR L$003go4loop4
mov ebp,DWORD [32+esp]
and edx,-8
lea edx,[edx*1+esi-8]
mov DWORD [edi-4],edx
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
movq mm0,[esi]
mov ecx,DWORD [eax*4+edi]
movd mm2,DWORD [edx*4+edi]
jmp NEAR L$004loop_mmx_enter
align 16
L$005loop_mmx:
add bl,cl
psllq mm1,56
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
movq mm0,[esi]
movq [esi*1+ebp-8],mm2
mov ecx,DWORD [eax*4+edi]
movd mm2,DWORD [edx*4+edi]
L$004loop_mmx_enter:
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm0
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
add bl,cl
psllq mm1,8
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
add bl,cl
psllq mm1,16
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
add bl,cl
psllq mm1,24
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
add bl,cl
psllq mm1,32
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
add bl,cl
psllq mm1,40
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
add bl,cl
psllq mm1,48
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
inc eax
add edx,ecx
movzx eax,al
movzx edx,dl
pxor mm2,mm1
mov ecx,DWORD [eax*4+edi]
movd mm1,DWORD [edx*4+edi]
mov edx,ebx
xor ebx,ebx
mov bl,dl
cmp esi,DWORD [edi-4]
lea esi,[8+esi]
jb NEAR L$005loop_mmx
psllq mm1,56
pxor mm2,mm1
movq [esi*1+ebp-8],mm2
emms
cmp esi,DWORD [24+esp]
je NEAR L$006done
jmp NEAR L$002loop1
align 16
L$003go4loop4:
lea edx,[edx*1+esi-4]
mov DWORD [28+esp],edx
L$007loop4:
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
add edx,ecx
inc al
and edx,255
mov ecx,DWORD [eax*4+edi]
mov ebp,DWORD [edx*4+edi]
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
add edx,ecx
inc al
and edx,255
ror ebp,8
mov ecx,DWORD [eax*4+edi]
or ebp,DWORD [edx*4+edi]
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
add edx,ecx
inc al
and edx,255
ror ebp,8
mov ecx,DWORD [eax*4+edi]
or ebp,DWORD [edx*4+edi]
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
add edx,ecx
inc al
and edx,255
ror ebp,8
mov ecx,DWORD [32+esp]
or ebp,DWORD [edx*4+edi]
ror ebp,8
xor ebp,DWORD [esi]
cmp esi,DWORD [28+esp]
mov DWORD [esi*1+ecx],ebp
lea esi,[4+esi]
mov ecx,DWORD [eax*4+edi]
jb NEAR L$007loop4
cmp esi,DWORD [24+esp]
je NEAR L$006done
mov ebp,DWORD [32+esp]
align 16
L$002loop1:
add bl,cl
mov edx,DWORD [ebx*4+edi]
mov DWORD [ebx*4+edi],ecx
mov DWORD [eax*4+edi],edx
add edx,ecx
inc al
and edx,255
mov edx,DWORD [edx*4+edi]
xor dl,BYTE [esi]
lea esi,[1+esi]
mov ecx,DWORD [eax*4+edi]
cmp esi,DWORD [24+esp]
mov BYTE [esi*1+ebp-1],dl
jb NEAR L$002loop1
jmp NEAR L$006done
align 16
L$001RC4_CHAR:
movzx ecx,BYTE [eax*1+edi]
L$008cloop1:
add bl,cl
movzx edx,BYTE [ebx*1+edi]
mov BYTE [ebx*1+edi],cl
mov BYTE [eax*1+edi],dl
add dl,cl
movzx edx,BYTE [edx*1+edi]
add al,1
xor dl,BYTE [esi]
lea esi,[1+esi]
movzx ecx,BYTE [eax*1+edi]
cmp esi,DWORD [24+esp]
mov BYTE [esi*1+ebp-1],dl
jb NEAR L$008cloop1
L$006done:
dec al
mov DWORD [edi-4],ebx
mov BYTE [edi-8],al
L$000abort:
pop edi
pop esi
pop ebx
pop ebp
ret
global _asm_RC4_set_key
align 16
_asm_RC4_set_key:
L$_asm_RC4_set_key_begin:
push ebp
push ebx
push esi
push edi
mov edi,DWORD [20+esp]
mov ebp,DWORD [24+esp]
mov esi,DWORD [28+esp]
lea edx,[_OPENSSL_ia32cap_P]
lea edi,[8+edi]
lea esi,[ebp*1+esi]
neg ebp
xor eax,eax
mov DWORD [edi-4],ebp
bt DWORD [edx],20
jc NEAR L$009c1stloop
align 16
L$010w1stloop:
mov DWORD [eax*4+edi],eax
add al,1
jnc NEAR L$010w1stloop
xor ecx,ecx
xor edx,edx
align 16
L$011w2ndloop:
mov eax,DWORD [ecx*4+edi]
add dl,BYTE [ebp*1+esi]
add dl,al
add ebp,1
mov ebx,DWORD [edx*4+edi]
jnz NEAR L$012wnowrap
mov ebp,DWORD [edi-4]
L$012wnowrap:
mov DWORD [edx*4+edi],eax
mov DWORD [ecx*4+edi],ebx
add cl,1
jnc NEAR L$011w2ndloop
jmp NEAR L$013exit
align 16
L$009c1stloop:
mov BYTE [eax*1+edi],al
add al,1
jnc NEAR L$009c1stloop
xor ecx,ecx
xor edx,edx
xor ebx,ebx
align 16
L$014c2ndloop:
mov al,BYTE [ecx*1+edi]
add dl,BYTE [ebp*1+esi]
add dl,al
add ebp,1
mov bl,BYTE [edx*1+edi]
jnz NEAR L$015cnowrap
mov ebp,DWORD [edi-4]
L$015cnowrap:
mov BYTE [edx*1+edi],al
mov BYTE [ecx*1+edi],bl
add cl,1
jnc NEAR L$014c2ndloop
mov DWORD [256+edi],-1
L$013exit:
xor eax,eax
mov DWORD [edi-8],eax
mov DWORD [edi-4],eax
pop edi
pop esi
pop ebx
pop ebp
ret
global _RC4_options
align 16
_RC4_options:
L$_RC4_options_begin:
call L$016pic_point
L$016pic_point:
pop eax
lea eax,[(L$017opts-L$016pic_point)+eax]
lea edx,[_OPENSSL_ia32cap_P]
mov edx,DWORD [edx]
bt edx,20
jc NEAR L$0181xchar
bt edx,26
jnc NEAR L$019ret
add eax,25
ret
L$0181xchar:
add eax,12
L$019ret:
ret
align 64
L$017opts:
db 114,99,52,40,52,120,44,105,110,116,41,0
db 114,99,52,40,49,120,44,99,104,97,114,41,0
db 114,99,52,40,56,120,44,109,109,120,41,0
db 82,67,52,32,102,111,114,32,120,56,54,44,32,67,82,89
db 80,84,79,71,65,77,83,32,98,121,32,60,97,112,112,114
db 111,64,111,112,101,110,115,115,108,46,111,114,103,62,0
align 64
segment .bss
common _OPENSSL_ia32cap_P 16
|
