Function at 0x57e4b0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0xc
push ebx
mov ebx, dword [esp + 0x18]
mov eax, ebx
push ebp
mov ebp, dword [esp + 0x18]
sub eax, ebp
push esi
push edi
cmp eax, 0x20
jle 0x57e693
mov ecx, dword [esp + 0x2c]
mov eax, ebx
sub eax, ebp
cmp dword [esp + 0x28], 0
mov dword [esp + 0x14], eax
jle 0x57e6f9
sar eax, 1
push ecx
lea esi, [eax + ebp]
lea eax, [ebx - 1]
push eax
push esi
push ebp
call fcn.0057c2e0
add esp, 0x10
lea edi, [esi + 1]
cmp ebp, esi
jae 0x57e52c
mov dh, byte [esi]
mov dl, byte [esi - 1]
movzx eax, dl
movd xmm0, eax
movzx eax, dh
cvtdq2pd xmm0, xmm0
movd xmm1, eax
cvtdq2pd xmm1, xmm1
comisd xmm0, xmm1
ja 0x57e52c
comisd xmm1, xmm0
ja 0x57e52c
dec esi
mov dh, dl
cmp ebp, esi
jb 0x57e500
cmp edi, ebx
jae 0x57e55c
movzx eax, byte [esi]
movd xmm1, eax
cvtdq2pd xmm1, xmm1
nop dword [eax + eax]
movzx eax, byte [edi]
movd xmm0, eax
cvtdq2pd xmm0, xmm0
comisd xmm0, xmm1
ja 0x57e55c
comisd xmm1, xmm0
ja 0x57e55c
inc edi
cmp edi, ebx
jb 0x57e540
mov edx, edi
mov ebx, esi
cmp edx, dword [esp + 0x24]
jae 0x57e5a8
mov ebp, dword [esp + 0x24]
nop word [eax + eax]
movzx eax, byte [esi]
movd xmm0, eax
movzx eax, byte [edx]
cvtdq2pd xmm0, xmm0
movd xmm1, eax
cvtdq2pd xmm1, xmm1
comisd xmm0, xmm1
ja 0x57e59f
comisd xmm1, xmm0
ja 0x57e5a4
cmp edi, edx
je 0x57e59e
mov ah, byte [edx]
mov al, byte [edi]
mov byte [edi], ah
mov byte [edx], al
inc edi
inc edx
cmp edx, ebp
jb 0x57e570
mov ebp, dword [esp + 0x20]
cmp ebx, ebp
jbe 0x57e5e7
lea ecx, [ebx - 1]
nop
movzx eax, byte [ecx]
movd xmm0, eax
movzx eax, byte [esi]
cvtdq2pd xmm0, xmm0
movd xmm1, eax
cvtdq2pd xmm1, xmm1
comisd xmm0, xmm1
ja 0x57e5df
comisd xmm1, xmm0
ja 0x57e5e5
dec esi
cmp esi, ecx
je 0x57e5df
mov ah, byte [ecx]
mov al, byte [esi]
mov byte [esi], ah
mov byte [ecx], al
dec ebx
dec ecx
cmp ebp, ebx
jb 0x57e5b0
cmp ebx, ebp
jne 0x57e60b
cmp edx, dword [esp + 0x24]
je 0x57e63c
cmp edi, edx
je 0x57e5fb
mov al, byte [edi]
mov cl, byte [esi]
mov byte [esi], al
mov byte [edi], cl
mov al, byte [edx]
inc edi
mov cl, byte [esi]
mov byte [esi], al
inc esi
mov byte [edx], cl
inc edx
jmp 0x57e560
dec ebx
cmp edx, dword [esp + 0x24]
jne 0x57e62e
dec esi
cmp ebx, esi
je 0x57e61f
mov al, byte [esi]
mov cl, byte [ebx]
mov byte [ebx], al
mov byte [esi], cl
mov al, byte [edi - 1]
dec edi
mov cl, byte [esi]
mov byte [esi], al
mov byte [edi], cl
jmp 0x57e560
mov cl, byte [edx]
mov al, byte [ebx]
mov byte [edx], al
inc edx
mov byte [ebx], cl
jmp 0x57e560
mov edx, dword [esp + 0x28]
mov eax, edx
mov ebx, dword [esp + 0x24]
mov ecx, ebx
sar eax, 2
sub ecx, edi
sar edx, 1
add edx, eax
mov eax, esi
sub eax, ebp
mov dword [esp + 0x28], edx
cmp eax, ecx
mov eax, dword [esp + 0x2c]
push eax
push edx
jge 0x57e672
push esi
push ebp
call fcn.0057e4b0
mov ebp, edi
mov dword [esp + 0x30], ebp
jmp 0x57e67f
push ebx
push edi
call fcn.0057e4b0
mov ebx, esi
mov dword [esp + 0x34], ebx
mov ecx, dword [esp + 0x3c]
mov eax, ebx
sub eax, ebp
add esp, 0x10
cmp eax, 0x20
jg 0x57e4d0
cmp ebp, ebx
je 0x57e848
lea esi, [ebp + 1]
cmp esi, ebx
je 0x57e848
mov ecx, 1
sub ecx, ebp
mov dword [esp + 0x20], ecx
mov dh, byte [esi]
mov edi, esi
movzx eax, dh
mov byte [esp + 0x24], dh
movd xmm1, eax
movzx eax, byte [ebp]
cvtdq2pd xmm1, xmm1
movd xmm0, eax
cvtdq2pd xmm0, xmm0
comisd xmm1, xmm0
jbe 0x57e807
dec ecx
mov eax, esi
add ecx, esi
push ecx
sub eax, ecx
inc eax
push ebp
push eax
call fcn.0086cdf0
mov al, byte [esp + 0x30]
add esp, 0xc
mov byte [ebp], al
jmp 0x57e83b
mov esi, eax
sar esi, 1
test esi, esi
jle 0x57e7bc
lea ecx, [eax - 1]
mov edi, ecx
mov dword [esp + 0x18], ecx
sar edi, 1
mov cl, byte [esi + ebp - 1]
dec esi
mov byte [esp + 0x24], cl
mov edx, esi
mov ecx, esi
cmp esi, edi
jge 0x57e75c
add ecx, ecx
movzx eax, byte [ecx + ebp + 2]
movd xmm1, eax
movzx eax, byte [ecx + ebp + 1]
cvtdq2pd xmm1, xmm1
movd xmm0, eax
xor eax, eax
cvtdq2pd xmm0, xmm0
comisd xmm1, xmm0
seta al
inc ecx
xor eax, 1
add ecx, eax
mov al, byte [ecx + ebp]
mov byte [edx + ebp], al
mov edx, ecx
cmp ecx, edi
jl 0x57e721
mov eax, dword [esp + 0x14]
cmp edx, edi
jne 0x57e76e
test al, 1
jne 0x57e76e
mov al, byte [ebx - 1]
mov byte [edx + ebp], al
mov edx, dword [esp + 0x18]
lea ecx, [edx - 1]
sar ecx, 1
cmp esi, edx
jge 0x57e7a5
movzx eax, byte [esp + 0x24]
movd xmm1, eax
cvtdq2pd xmm1, xmm1
movzx eax, byte [ecx + ebp]
movd xmm0, eax
cvtdq2pd xmm0, xmm0
comisd xmm0, xmm1
jbe 0x57e7a5
mov al, byte [ecx + ebp]
mov byte [edx + ebp], al
mov edx, ecx
dec ecx
sar ecx, 1
cmp esi, edx
jl 0x57e784
mov al, byte [esp + 0x24]
mov byte [edx + ebp], al
mov eax, dword [esp + 0x14]
test esi, esi
jg 0x57e710
mov ecx, dword [esp + 0x2c]
mov eax, ebx
sub eax, ebp
cmp eax, 2
jl 0x57e848
sub ebx, ebp
nop dword [eax + eax]
mov al, byte [ebx + ebp - 1]
lea esi, [ebx - 1]
mov byte [esp + 0x24], al
mov al, byte [ebp]
push ecx
mov byte [ebx + ebp - 1], al
lea eax, [esp + 0x28]
push eax
push esi
push 0
push ebp
call fcn.0057d860
mov ecx, dword [esp + 0x40]
mov ebx, esi
add esp, 0x14
cmp ebx, 2
jge 0x57e7d0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
mov dl, byte [esi - 1]
lea ecx, [esi - 1]
movzx eax, dl
movd xmm0, eax
cvtdq2pd xmm0, xmm0
comisd xmm1, xmm0
jbe 0x57e839
nop
mov byte [edi], dl
mov edi, ecx
mov dl, byte [ecx - 1]
dec ecx
movzx eax, dl
movd xmm0, eax
cvtdq2pd xmm0, xmm0
comisd xmm1, xmm0
ja 0x57e820
mov byte [edi], dh
mov ecx, dword [esp + 0x20]
inc esi
cmp esi, ebx
jne 0x57e6b1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret