Function at 0x4f99a0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x64
call fcn.0051b8b0
mov eax, dword [0x5a49f0]
xor eax, esp
mov dword [esp + 0x60], eax
mov eax, dword [esp + 0x70]
mov ecx, dword [esp + 0x80]
push ebx
mov ebx, dword [esp + 0x78]
push ebp
mov ebp, dword [esp + 0x70]
push esi
mov esi, dword [esp + 0x90]
push edi
mov edi, dword [esp + 0x7c]
mov dword [esp + 0x10], eax
dec edi
mov eax, dword [esp + 0x88]
mov dword [esp + 0x14], ebx
mov dword [esp + 0x2c], eax
mov dword [esp + 0x18], ecx
test ecx, ecx
jne 0x4f99fe
call fcn.004bdee0
mov ecx, eax
mov dword [esp + 0x18], eax
test esi, esi
push ecx
cmove esi, ecx
mov dword [esp + 0x2c], esi
call fcn.004b8290
mov esi, eax
mov ecx, edi
add esp, 4
lea eax, [esi + esi]
sub ecx, eax
mov dword [esp + 0x24], ecx
dec ecx
cmp ebx, ecx
jle 0x4f9a4f
push 0x3a
push str..crypto_rsa_rsa_oaep.c
push 0x6e
push 0xa0
push 4
call fcn.004aedd0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0051ad3f
add esp, 0x64
ret
inc eax
cmp edi, eax
jge 0x4f9a81
push 0x40
push str..crypto_rsa_rsa_oaep.c
push 0x78
push 0xa0
push 4
call fcn.004aedd0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0051ad3f
add esp, 0x64
ret
push 0
push dword [esp + 0x1c]
mov byte [ebp], 0
lea ebx, [ebp + 1]
inc ebp
mov dword [esp + 0x28], ebx
push 0
add ebp, esi
push ebp
push dword [esp + 0x9c]
mov dword [esp + 0x30], ebp
push dword [esp + 0x40]
call fcn.004b4960
add esp, 0x18
test eax, eax
je 0x4f9cfb
mov eax, dword [esp + 0x24]
sub eax, dword [esp + 0x14]
dec eax
push eax
lea eax, [esi + ebp]
push 0
push eax
call fcn.0051de60
mov ecx, dword [esp + 0x20]
mov eax, ebp
sub eax, ecx
sub eax, esi
push ecx
push dword [esp + 0x20]
add eax, edi
push eax
mov byte [eax - 1], 1
call fcn.0051dfc0
push esi
push ebx
call fcn.004ac150
add esp, 0x20
test eax, eax
jle 0x4f9cfb
push 0x55
sub edi, esi
push str..crypto_rsa_rsa_oaep.c
push edi
call fcn.004a29e0
mov ebp, eax
add esp, 0xc
mov dword [esp + 0x18], ebp
test ebp, ebp
jne 0x4f9b42
push 0x57
push str..crypto_rsa_rsa_oaep.c
push 0x41
push 0xa0
push 4
call fcn.004aedd0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0051ad3f
add esp, 0x64
ret
push dword [esp + 0x28]
push esi
push ebx
push edi
push ebp
call fcn.004f97f0
add esp, 0x14
test eax, eax
js 0x4f9cf2
xor edx, edx
test edi, edi
jle 0x4f9c16
mov ecx, dword [esp + 0x1c]
cmp edi, 0x20
jb 0x4f9be6
lea eax, [ebp - 1]
add eax, edi
cmp ecx, eax
ja 0x4f9b7f
lea eax, [ecx - 1]
add eax, edi
cmp eax, ebp
jae 0x4f9be6
mov eax, edi
and eax, 0x8000001f
jns 0x4f9b8d
dec eax
or eax, 0xffffffe0
inc eax
mov dword [esp + 0x14], edi
mov ebx, ebp
sub dword [esp + 0x14], eax
sub ebx, ecx
mov dword [esp + 0x10], ebx
mov eax, ecx
lea ebx, [ebp + 0x10]
mov ebp, dword [esp + 0x10]
mov dword [esp + 0x24], ebx
mov ebx, dword [esp + 0x20]
mov ecx, dword [esp + 0x24]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [eax + ebp - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [ecx + edx]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, dword [esp + 0x14]
jl 0x4f9bb2
mov ebp, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
cmp edx, edi
jge 0x4f9c16
mov dword [esp + 0x10], ebp
mov ebx, edi
sub ebp, dword [esp + 0x1c]
add ecx, edx
sub ebx, edx
nop dword [eax + eax]
mov al, byte [ecx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub ebx, 1
jne 0x4f9c00
mov ebp, dword [esp + 0x18]
mov ebx, dword [esp + 0x20]
push dword [esp + 0x28]
lea eax, [esp + 0x34]
push edi
push dword [esp + 0x24]
push esi
push eax
call fcn.004f97f0
add esp, 0x14
test eax, eax
js 0x4f9cf2
xor edx, edx
test esi, esi
jle 0x4f9cd1
cmp esi, 0x20
jb 0x4f9cb4
lea ecx, [ebx - 1]
lea eax, [esp + esi + 0x2f]
add ecx, esi
cmp ebx, eax
ja 0x4f9c59
lea eax, [esp + 0x30]
cmp ecx, eax
jae 0x4f9cb4
mov eax, esi
and eax, 0x8000001f
jns 0x4f9c67
dec eax
or eax, 0xffffffe0
inc eax
mov ecx, esi
lea edi, [esp + 0x30]
sub ecx, eax
lea ebp, [esp + 0x40]
sub edi, ebx
mov eax, ebx
sub ebp, ebx
mov dword [esp + 0x10], ebp
mov ebp, dword [esp + 0x18]
mov ebx, dword [esp + 0x10]
movups xmm0, xmmword [eax]
add edx, 0x20
lea eax, [eax + 0x20]
movups xmm1, xmmword [edi + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm0, xmmword [eax - 0x10]
movups xmm1, xmmword [ebx + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jl 0x4f9c85
mov ebx, dword [esp + 0x20]
cmp edx, esi
jge 0x4f9cd1
lea edi, [esp + 0x30]
sub edi, ebx
lea ecx, [edx + ebx]
sub esi, edx
mov al, byte [ecx + edi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x4f9cc3
push ebp
call fcn.004a2960
add esp, 4
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0051ad3f
add esp, 0x64
ret
push ebp
call fcn.004a2960
add esp, 4
mov ecx, dword [esp + 0x70]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0051ad3f
add esp, 0x64
ret