Function at 0x519f90
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.004fbf90
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
mov edx, ecx
push ebx
push ebp
xor ebp, ebp
xor ebx, ebx
test eax, eax
push ecx
cmovne edx, eax
mov dword [esp + 0x18], edx
call fcn.00502180
add esp, 4
mov dword [esp + 0x48], eax
test eax, eax
js 0x51a253
push edi
mov edi, dword [esp + 0x50]
cmp edi, 0xffffffff
jne 0x51a066
mov edi, eax
push esi
mov esi, dword [esp + 0x40]
push dword [esi + 0x10]
call fcn.0050b150
dec eax
and eax, 7
push esi
mov dword [esp + 0x20], eax
call fcn.00515ff0
mov esi, dword [esp + 0x4c]
add esp, 8
mov ecx, eax
mov dword [esp + 0x10], ecx
cmp dword [esp + 0x18], ebx
jne 0x51a00e
mov byte [esi], bl
inc esi
dec ecx
mov dword [esp + 0x10], ecx
cmp edi, 0xfffffffe
jne 0x51a09d
mov edi, ecx
sub edi, dword [esp + 0x50]
sub edi, 2
test edi, edi
jle 0x51a0d2
push 0xe9
push str..crypto_rsa_rsa_pss.c
push edi
call fcn.00500870
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x51a0bc
push 0xec
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.00501bf0
add esp, 0x14
mov eax, ebp
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
cmp edi, 0xfffffffe
jne 0x51a070
jmp 0x519fd8
jge 0x519fd8
push 0xd7
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.00501bf0
add esp, 0x14
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov eax, dword [esp + 0x50]
add eax, 2
add eax, edi
cmp ecx, eax
jge 0x51a020
push 0xe5
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x51a04d
push edi
push ebx
call fcn.00502230
add esp, 8
test eax, eax
jle 0x51a244
mov ecx, dword [esp + 0x10]
sub ecx, dword [esp + 0x50]
lea eax, [esp + 0x24]
mov dword [esp + 0x20], ecx
dec ecx
push eax
mov dword [esp + 0x18], ecx
call fcn.0050e500
push 0
push dword [esp + 0x54]
lea eax, [esp + 0x30]
push eax
call fcn.0050e0e0
add esp, 0x10
test eax, eax
je 0x51a244
push 8
lea eax, [esp + 0x28]
push 0x5c26d0
push eax
call fcn.0050e290
add esp, 0xc
test eax, eax
je 0x51a244
push dword [esp + 0x50]
lea eax, [esp + 0x28]
push dword [esp + 0x4c]
push eax
call fcn.0050e290
add esp, 0xc
test eax, eax
je 0x51a244
test edi, edi
je 0x51a158
push edi
lea eax, [esp + 0x28]
push ebx
push eax
call fcn.0050e290
add esp, 0xc
test eax, eax
je 0x51a244
mov eax, dword [esp + 0x14]
add eax, esi
push 0
push eax
lea eax, [esp + 0x2c]
push eax
call fcn.0050e060
add esp, 0xc
test eax, eax
je 0x51a244
lea eax, [esp + 0x24]
push eax
call fcn.0050e2a0
push dword [esp + 0x20]
mov ecx, dword [esp + 0x1c]
push dword [esp + 0x58]
lea eax, [ecx + esi]
push eax
push ecx
push esi
call fcn.005298f0
add esp, 0x18
test eax, eax
jne 0x51a244
mov ecx, dword [esp + 0x20]
sub ecx, edi
add ecx, esi
xor byte [ecx - 2], 1
dec ecx
test edi, edi
jle 0x51a21e
xor edx, edx
cmp edi, 0x20
jb 0x51a209
lea eax, [ebx - 1]
lea ebp, [ecx - 1]
add eax, edi
add ebp, edi
cmp ecx, eax
ja 0x51a1cc
cmp ebp, ebx
jae 0x51a209
mov eax, edi
and eax, 0x8000001f
jns 0x51a1da
dec eax
or eax, 0xffffffe0
inc eax
mov ebp, edi
sub ebp, eax
nop
movups xmm0, xmmword [ecx]
movups xmm1, xmmword [ebx + edx]
pxor xmm1, xmm0
movups xmmword [ecx], xmm1
movups xmm1, xmmword [ebx + edx + 0x10]
add edx, 0x20
movups xmm0, xmmword [ecx + 0x10]
pxor xmm1, xmm0
movups xmmword [ecx + 0x10], xmm1
add ecx, 0x20
cmp edx, ebp
jl 0x51a1e0
cmp edx, edi
jge 0x51a21e
nop dword [eax]
mov al, byte [edx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x51a210
mov eax, dword [esp + 0x18]
test eax, eax
je 0x51a236
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [esi], al
mov eax, dword [esp + 0x10]
mov ebp, 1
mov byte [eax + esi - 1], 0xbc
test ebx, ebx
je 0x51a251
push ebx
call fcn.005007f0
add esp, 4
pop esi
pop edi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x2c
ret