Function at 0x520f40
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.00574ae0
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
mov edx, ecx
push ebx
push ebp
xor ebx, ebx
xor ebp, ebp
test eax, eax
push ecx
cmovne edx, eax
mov dword [esp + 0x1c], edx
call fcn.004e1aa0
add esp, 4
mov dword [esp + 8], eax
test eax, eax
js 0x521227
push edi
mov edi, dword [esp + 0x50]
cmp edi, 0xffffffff
jne 0x520fc0
mov edi, eax
push esi
mov esi, dword [esp + 0x40]
push dword [esi + 0x10]
call fcn.004cd320
dec eax
and eax, 7
push esi
mov dword [esp + 0x20], eax
call fcn.004d1a10
add esp, 8
mov edx, eax
mov dword [esp + 0x1c], edx
cmp dword [esp + 0x18], ebx
jne 0x520ff0
mov ecx, dword [esp + 0x44]
mov byte [ecx], bl
inc ecx
dec edx
mov dword [esp + 0x50], ecx
mov dword [esp + 0x1c], edx
jmp 0x520ff8
cmp edi, 0xfffffffe
jne 0x520fc7
jmp 0x520f84
jge 0x520f84
push 0xdb
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.004d7180
add esp, 0x14
mov eax, ebx
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov eax, dword [esp + 0x44]
mov dword [esp + 0x50], eax
mov ecx, dword [esp + 0x10]
lea eax, [ecx + 2]
cmp edx, eax
jge 0x521028
push 0xe7
push str..crypto_rsa_rsa_pss.c
push 0x6e
push 0x94
push 4
call fcn.004d7180
add esp, 0x14
mov eax, ebx
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov esi, edx
sub esi, ecx
cmp edi, 0xfffffffe
jne 0x521076
lea edi, [esi - 2]
test edi, edi
jle 0x52109d
push 0xf2
push str..crypto_rsa_rsa_pss.c
push edi
call fcn.004ca440
mov ebp, eax
add esp, 0xc
test ebp, ebp
jne 0x52108b
push 0xf5
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.004d7180
add esp, 0x14
mov eax, ebx
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
lea eax, [esi - 2]
cmp edi, eax
jle 0x521034
push 0xee
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x52105d
push edi
push ebp
call fcn.004d4520
add esp, 8
test eax, eax
jle 0x521218
mov eax, dword [esp + 0x50]
lea ecx, [esi - 1]
add eax, ecx
mov dword [esp + 0x14], eax
lea eax, [esp + 0x24]
push eax
call fcn.004d0bc0
push 0
push dword [esp + 0x54]
lea eax, [esp + 0x30]
push eax
call fcn.004d07a0
add esp, 0x10
test eax, eax
je 0x521218
push 8
lea eax, [esp + 0x28]
push 0x5f9304
push eax
call fcn.004d0950
add esp, 0xc
test eax, eax
je 0x521218
push dword [esp + 0x10]
lea eax, [esp + 0x28]
push dword [esp + 0x4c]
push eax
call fcn.004d0950
add esp, 0xc
test eax, eax
je 0x521218
test edi, edi
je 0x521123
push edi
lea eax, [esp + 0x28]
push ebp
push eax
call fcn.004d0950
add esp, 0xc
test eax, eax
je 0x521218
push 0
push dword [esp + 0x18]
lea eax, [esp + 0x2c]
push eax
call fcn.004d0700
add esp, 0xc
test eax, eax
je 0x521218
lea eax, [esp + 0x24]
push eax
call fcn.004d0960
push dword [esp + 0x24]
lea eax, [esi - 1]
push dword [esp + 0x18]
push dword [esp + 0x20]
push eax
push dword [esp + 0x64]
call fcn.0050e690
add esp, 0x18
test eax, eax
jne 0x521218
mov edx, dword [esp + 0x50]
sub esi, edi
xor byte [esi + edx - 2], 1
lea ecx, [esi + edx]
dec ecx
test edi, edi
jle 0x5211f2
xor edx, edx
cmp edi, 0x20
jb 0x5211d9
lea eax, [ebp - 1]
lea esi, [ecx - 1]
add eax, edi
add esi, edi
cmp ecx, eax
ja 0x521198
cmp esi, ebp
jae 0x5211d9
mov eax, edi
and eax, 0x8000001f
jns 0x5211a6
dec eax
or eax, 0xffffffe0
inc eax
mov esi, edi
sub esi, eax
nop word [eax + eax]
movups xmm0, xmmword [ecx]
movups xmm1, xmmword [edx + ebp]
pxor xmm1, xmm0
movups xmmword [ecx], xmm1
movups xmm1, xmmword [edx + ebp + 0x10]
add edx, 0x20
movups xmm0, xmmword [ecx + 0x10]
pxor xmm1, xmm0
movups xmmword [ecx + 0x10], xmm1
add ecx, 0x20
cmp edx, esi
jl 0x5211b0
cmp edx, edi
jge 0x5211ee
nop dword [eax]
mov al, byte [edx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x5211e0
mov edx, dword [esp + 0x50]
mov eax, dword [esp + 0x18]
test eax, eax
je 0x52120a
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [edx], al
mov eax, dword [esp + 0x1c]
mov ebx, 1
mov byte [eax + edx - 1], 0xbc
test ebp, ebp
je 0x521225
push ebp
call fcn.004ca3c0
add esp, 4
pop esi
pop edi
pop ebp
mov eax, ebx
pop ebx
add esp, 0x2c
ret