Function at 0x520d40
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.0054da90
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
push ebx
push ebp
xor ebp, ebp
xor ebx, ebx
test eax, eax
push ecx
cmove eax, ecx
mov dword [esp + 0x4c], eax
call fcn.004ccc60
add esp, 4
mov dword [esp + 0xc], eax
test eax, eax
js 0x52102c
push edi
mov edi, dword [esp + 0x50]
cmp edi, 0xffffffff
jne 0x520dbe
mov edi, eax
push esi
mov esi, dword [esp + 0x40]
push dword [esi + 0x10]
call fcn.004d5570
dec eax
and eax, 7
push esi
mov dword [esp + 0x24], eax
call fcn.004ced10
add esp, 8
mov edx, eax
mov dword [esp + 0x20], edx
cmp dword [esp + 0x1c], ebx
jne 0x520dee
mov ecx, dword [esp + 0x44]
mov byte [ecx], bl
inc ecx
dec edx
mov dword [esp + 0x10], ecx
mov dword [esp + 0x20], edx
jmp 0x520df6
cmp edi, 0xfffffffe
jne 0x520dc5
jmp 0x520d82
jge 0x520d82
push 0xdb
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.004c6320
add esp, 0x14
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov eax, dword [esp + 0x44]
mov dword [esp + 0x10], eax
mov ecx, dword [esp + 0x14]
lea eax, [ecx + 2]
cmp edx, eax
jge 0x520e26
push 0xe7
push str..crypto_rsa_rsa_pss.c
push 0x6e
push 0x94
push 4
call fcn.004c6320
add esp, 0x14
mov eax, ebp
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov esi, edx
sub esi, ecx
cmp edi, 0xfffffffe
jne 0x520e74
lea edi, [esi - 2]
test edi, edi
jle 0x520e9b
push 0xf2
push str..crypto_rsa_rsa_pss.c
push edi
call fcn.004cb5b0
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x520e89
push 0xf5
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.004c6320
add esp, 0x14
mov eax, ebp
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
lea eax, [esi - 2]
cmp edi, eax
jle 0x520e32
push 0xee
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x520e5b
push edi
push ebx
call fcn.004d4c40
add esp, 8
test eax, eax
jle 0x52101d
mov eax, dword [esp + 0x10]
lea ecx, [esi - 1]
add eax, ecx
mov dword [esp + 0x18], eax
lea eax, [esp + 0x24]
push eax
call fcn.004d08a0
push 0
push dword [esp + 0x54]
lea eax, [esp + 0x30]
push eax
call fcn.004d0480
add esp, 0x10
test eax, eax
je 0x52101d
push 8
lea eax, [esp + 0x28]
push 0x5d1578
push eax
call fcn.004d0630
add esp, 0xc
test eax, eax
je 0x52101d
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push dword [esp + 0x4c]
push eax
call fcn.004d0630
add esp, 0xc
test eax, eax
je 0x52101d
test edi, edi
je 0x520f21
push edi
lea eax, [esp + 0x28]
push ebx
push eax
call fcn.004d0630
add esp, 0xc
test eax, eax
je 0x52101d
push 0
push dword [esp + 0x1c]
lea eax, [esp + 0x2c]
push eax
call fcn.004d03e0
add esp, 0xc
test eax, eax
je 0x52101d
lea eax, [esp + 0x24]
push eax
call fcn.004d0640
push dword [esp + 0x54]
lea eax, [esi - 1]
push dword [esp + 0x1c]
push dword [esp + 0x24]
push eax
push dword [esp + 0x24]
call fcn.0051bf80
add esp, 0x18
test eax, eax
jne 0x52101d
mov edx, dword [esp + 0x10]
sub esi, edi
xor byte [esi + edx - 2], 1
lea ecx, [esi + edx]
dec ecx
test edi, edi
jle 0x520ff7
xor edx, edx
cmp edi, 0x20
jb 0x520fe1
lea eax, [ebx - 1]
lea esi, [ecx - 1]
add eax, edi
add esi, edi
cmp ecx, eax
ja 0x520f96
cmp esi, ebx
jae 0x520fe1
mov eax, edi
and eax, 0x8000001f
jns 0x520fa4
dec eax
or eax, 0xffffffe0
inc eax
mov esi, edi
sub esi, eax
lea eax, [ebx + 0x10]
jmp 0x520fb0
movdqu xmm0, xmmword [ecx]
add edx, 0x20
lea eax, [eax + 0x20]
movdqu xmm1, xmmword [eax - 0x30]
pxor xmm1, xmm0
movdqu xmmword [ecx], xmm1
movdqu xmm1, xmmword [eax - 0x20]
movdqu xmm0, xmmword [ecx + 0x10]
pxor xmm1, xmm0
movdqu xmmword [ecx + 0x10], xmm1
add ecx, 0x20
cmp edx, esi
jl 0x520fb0
cmp edx, edi
jge 0x520ff3
mov al, byte [edx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x520fe5
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x52100f
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [edx], al
mov eax, dword [esp + 0x20]
mov ebp, 1
mov byte [eax + edx - 1], 0xbc
test ebx, ebx
je 0x52102a
push ebx
call fcn.004cb530
add esp, 4
pop esi
pop edi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x2c
ret