Function at 0x4fd710
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xa0
mov ecx, dword [ebp + 0x24]
push ebx
push esi
xor ebx, ebx
mov dword [ebp - 0x20], 0xffffffff
xor esi, esi
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x1c], ebx
push edi
test ecx, ecx
jne 0x4fd73e
call fcn.00493fe0
mov ecx, eax
mov dword [ebp + 0x24], ecx
mov eax, dword [ebp + 0x28]
test eax, eax
push ecx
cmove eax, ecx
mov dword [ebp + 0x28], eax
call fcn.0044e690
add esp, 4
mov edi, eax
mov dword [ebp - 0x14], edi
cmp dword [ebp + 0xc], ebx
jle 0x4fdb21
mov eax, dword [ebp + 0x14]
test eax, eax
jle 0x4fdb21
mov ecx, dword [ebp + 0x18]
cmp ecx, eax
jl 0x4fdaaf
lea eax, [edi*2 + 2]
cmp ecx, eax
jl 0x4fdaaf
mov ebx, ecx
push 0x9a
sub ebx, edi
dec ebx
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push ebx
call fcn.00457bc0
mov esi, eax
add esp, 0xc
mov dword [ebp - 0x10], esi
test esi, esi
jne 0x4fd7c3
push 0x9c
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push 0x41
push 0x99
push 4
call fcn.004576a0
jmp 0x4fdace
mov eax, dword [ebp + 0x18]
cmp dword [ebp + 0x14], eax
je 0x4fd806
push 0xa1
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push eax
call fcn.00457e10
add esp, 0xc
mov dword [ebp - 0x1c], eax
test eax, eax
jne 0x4fd7ec
push 0xa4
jmp 0x4fd7ab
mov ecx, dword [ebp + 0x14]
sub eax, ecx
add eax, dword [ebp + 0x18]
push ecx
push dword [ebp + 0x10]
push eax
call fcn.0053f470
mov ecx, dword [ebp - 0x1c]
add esp, 0xc
jmp 0x4fd809
mov ecx, dword [ebp + 0x10]
movzx eax, byte [ecx]
push dword [ebp + 0x28]
dec eax
shr eax, 0x1f
neg eax
mov dword [ebp - 0xc], eax
lea eax, [ecx + 1]
mov dword [ebp - 4], eax
lea eax, [ecx + 1]
add eax, edi
push ebx
push eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x60]
push edi
push eax
call fcn.004fd230
add esp, 0x14
test eax, eax
jne 0x4fdad1
xor edx, edx
test edi, edi
jle 0x4fd8f2
mov eax, dword [ebp - 4]
cmp edi, 0x40
jb 0x4fd8d2
dec eax
lea ecx, [ebp + edi - 0x61]
add eax, edi
lea edi, [ebp - 0x60]
cmp edi, eax
mov edi, dword [ebp - 0x14]
ja 0x4fd86b
mov eax, dword [ebp - 4]
cmp ecx, eax
jae 0x4fd8d2
mov eax, edi
and eax, 0x8000003f
jns 0x4fd879
dec eax
or eax, 0xffffffc0
inc eax
mov ecx, edi
sub ecx, eax
mov eax, dword [ebp - 4]
movups xmm0, xmmword [ebp + edx - 0x60]
movups xmm1, xmmword [eax + edx]
pxor xmm1, xmm0
movups xmmword [ebp + edx - 0x60], xmm1
movups xmm0, xmmword [ebp + edx - 0x50]
movups xmm1, xmmword [eax + edx + 0x10]
pxor xmm1, xmm0
movups xmmword [ebp + edx - 0x50], xmm1
movups xmm0, xmmword [ebp + edx - 0x40]
movups xmm1, xmmword [eax + edx + 0x20]
pxor xmm1, xmm0
movups xmmword [ebp + edx - 0x40], xmm1
movups xmm0, xmmword [ebp + edx - 0x30]
movups xmm1, xmmword [eax + edx + 0x30]
pxor xmm1, xmm0
movups xmmword [ebp + edx - 0x30], xmm1
add edx, 0x40
cmp edx, ecx
jl 0x4fd880
cmp edx, edi
jge 0x4fd8f2
lea ecx, [ebp - 0x60]
sub eax, ecx
mov dword [ebp - 4], eax
nop
lea ecx, [ebp - 0x60]
add ecx, edx
inc edx
mov al, byte [ecx + eax]
xor byte [ecx], al
mov eax, dword [ebp - 4]
cmp edx, edi
jl 0x4fd8e0
push dword [ebp + 0x28]
lea eax, [ebp - 0x60]
push edi
push eax
push ebx
push esi
call fcn.004fd230
add esp, 0x14
test eax, eax
jne 0x4fdad1
xor edx, edx
test ebx, ebx
jle 0x4fd9d6
cmp ebx, 0x40
jb 0x4fd9b1
mov ecx, dword [ebp - 8]
lea eax, [ecx - 1]
add eax, ebx
cmp esi, eax
ja 0x4fd938
lea eax, [esi - 1]
add eax, ebx
cmp eax, ecx
jae 0x4fd9b1
mov eax, ebx
and eax, 0x8000003f
jns 0x4fd946
dec eax
or eax, 0xffffffc0
inc eax
mov dword [ebp + 0x28], ebx
mov edi, ecx
sub dword [ebp + 0x28], eax
sub edi, esi
mov dword [ebp - 4], edi
mov eax, esi
mov edi, dword [ebp - 0x14]
mov esi, dword [ebp - 4]
nop dword [eax + eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x40]
movups xmm1, xmmword [esi + eax - 0x40]
pxor xmm1, xmm0
movups xmmword [eax - 0x40], xmm1
movups xmm0, xmmword [eax - 0x30]
movups xmm1, xmmword [ecx + edx + 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x30], xmm1
movups xmm0, xmmword [eax - 0x20]
movups xmm1, xmmword [ecx + edx + 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm0, xmmword [eax - 0x10]
movups xmm1, xmmword [ecx + edx + 0x30]
add edx, 0x40
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, dword [ebp + 0x28]
jl 0x4fd960
mov esi, dword [ebp - 0x10]
cmp edx, ebx
jge 0x4fd9d6
sub dword [ebp - 8], esi
lea ecx, [edx + esi]
mov esi, dword [ebp - 8]
mov edi, ebx
sub edi, edx
mov al, byte [ecx + esi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub edi, 1
jne 0x4fd9c2
mov edi, dword [ebp - 0x14]
mov esi, dword [ebp - 0x10]
push 0
push dword [ebp + 0x24]
lea eax, [ebp - 0xa0]
push 0
push eax
push dword [ebp + 0x20]
push dword [ebp + 0x1c]
call fcn.00462550
add esp, 0x18
test eax, eax
je 0x4fdad1
push edi
lea eax, [ebp - 0xa0]
push eax
push esi
call fcn.004594e0
mov edx, dword [ebp - 0xc]
add esp, 0xc
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and ecx, eax
neg ecx
and edx, ecx
xor ecx, ecx
mov dword [ebp - 0xc], edx
mov dword [ebp + 0x28], ecx
cmp edi, ebx
jge 0x4fda7c
nop dword [eax + eax]
movzx esi, byte [edi + esi]
not ecx
mov eax, esi
xor eax, 1
lea edx, [eax - 1]
not eax
shr eax, 0x1f
shr edx, 0x1f
and edx, eax
neg edx
and ecx, edx
mov eax, ecx
and ecx, edi
not eax
inc edi
and eax, dword [ebp - 0x18]
or eax, ecx
mov ecx, dword [ebp + 0x28]
mov dword [ebp - 0x18], eax
or ecx, edx
mov edx, dword [ebp - 0xc]
lea eax, [esi - 1]
mov esi, dword [ebp - 0x10]
shr eax, 0x1f
neg eax
mov dword [ebp + 0x28], ecx
or eax, ecx
and edx, eax
mov dword [ebp - 0xc], edx
cmp edi, ebx
jl 0x4fda30
test edx, ecx
je 0x4fdaaf
mov ecx, dword [ebp - 0x18]
mov eax, ebx
inc ecx
sub eax, ecx
mov dword [ebp - 0x20], eax
cmp dword [ebp + 0xc], eax
jge 0x4fdb0f
push 0xe8
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push 0x6d
push 0x99
push 4
call fcn.004576a0
add esp, 0x14
push 0xf5
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push 0x79
push 0x99
push 4
call fcn.004576a0
mov dword [ebp - 0x20], 0xffffffff
add esp, 0x14
lea eax, [ebp - 0x60]
push 0x40
push eax
call fcn.004579a0
push 0xf8
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push ebx
push esi
call fcn.00457cd0
push 0xf9
push str.c:_cygwin_home_shachar_zon_new_pkg_lib_openssl_crypto_rsa_rsa_oaep.c
push dword [ebp + 0x18]
push dword [ebp - 0x1c]
call fcn.00457cd0
mov eax, dword [ebp - 0x20]
add esp, 0x28
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push eax
lea eax, [ecx + esi]
push eax
push dword [ebp + 8]
call fcn.0053f470
add esp, 0xc
jmp 0x4fdad1
pop edi
pop esi
or eax, 0xffffffff
pop ebx
mov esp, ebp
pop ebp
ret