Function at 0x53d9a0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.00556c40
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.004ce0b0
add esp, 4
mov dword [esp + 8], eax
test eax, eax
js 0x53dc63
push edi
mov edi, dword [esp + 0x50]
cmp edi, 0xffffffff
jne 0x53da74
mov edi, eax
push esi
mov esi, dword [esp + 0x40]
push dword [esi + 0x10]
call fcn.004a4590
dec eax
and eax, 7
push esi
mov dword [esp + 0x24], eax
call fcn.004d2670
mov esi, dword [esp + 0x4c]
add esp, 8
mov ecx, eax
mov dword [esp + 0x14], ecx
cmp dword [esp + 0x1c], ebx
jne 0x53da1c
mov byte [esi], bl
inc esi
dec ecx
mov dword [esp + 0x14], ecx
cmp edi, 0xfffffffe
jne 0x53daab
mov edi, ecx
sub edi, dword [esp + 0x10]
sub edi, 2
test edi, edi
jle 0x53dae0
push 0xe9
push str..crypto_rsa_rsa_pss.c
push edi
call fcn.004a1ed0
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x53daca
push 0xec
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.004bb510
add esp, 0x14
mov eax, ebp
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
cmp edi, 0xfffffffe
jne 0x53da7e
jmp 0x53d9e6
jge 0x53d9e6
push 0xd7
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.004bb510
add esp, 0x14
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov eax, dword [esp + 0x10]
add eax, 2
add eax, edi
cmp ecx, eax
jge 0x53da2e
push 0xe5
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x53da5b
push edi
push ebx
call fcn.004b8a30
add esp, 8
test eax, eax
jle 0x53dc54
mov ecx, dword [esp + 0x14]
sub ecx, dword [esp + 0x10]
lea eax, [esp + 0x24]
mov dword [esp + 0x20], ecx
dec ecx
push eax
mov dword [esp + 0x1c], ecx
call fcn.004c4d30
push 0
push dword [esp + 0x54]
lea eax, [esp + 0x30]
push eax
call fcn.004c4910
add esp, 0x10
test eax, eax
je 0x53dc54
push 8
lea eax, [esp + 0x28]
push 0x5d0210
push eax
call fcn.004c4ac0
add esp, 0xc
test eax, eax
je 0x53dc54
push dword [esp + 0x10]
lea eax, [esp + 0x28]
push dword [esp + 0x4c]
push eax
call fcn.004c4ac0
add esp, 0xc
test eax, eax
je 0x53dc54
test edi, edi
je 0x53db66
push edi
lea eax, [esp + 0x28]
push ebx
push eax
call fcn.004c4ac0
add esp, 0xc
test eax, eax
je 0x53dc54
mov eax, dword [esp + 0x18]
add eax, esi
push 0
push eax
lea eax, [esp + 0x2c]
push eax
call fcn.004c4870
add esp, 0xc
test eax, eax
je 0x53dc54
lea eax, [esp + 0x24]
push eax
call fcn.004c4ad0
push dword [esp + 0x54]
mov ecx, dword [esp + 0x20]
push dword [esp + 0x18]
lea eax, [ecx + esi]
push eax
push ecx
push esi
call fcn.00537760
add esp, 0x18
test eax, eax
jne 0x53dc54
mov ecx, dword [esp + 0x20]
sub ecx, edi
add ecx, esi
xor byte [ecx - 2], 1
dec ecx
test edi, edi
jle 0x53dc2e
xor edx, edx
cmp edi, 0x20
jb 0x53dc1b
lea eax, [ebx - 1]
lea ebp, [ecx - 1]
add eax, edi
add ebp, edi
cmp ecx, eax
ja 0x53dbda
cmp ebp, ebx
jae 0x53dc1b
mov eax, edi
and eax, 0x8000001f
jns 0x53dbe8
dec eax
or eax, 0xffffffe0
inc eax
mov ebp, edi
sub ebp, eax
lea eax, [ebx + 0x10]
nop
movups xmm0, xmmword [ecx]
add edx, 0x20
lea eax, [eax + 0x20]
movups xmm1, xmmword [eax - 0x30]
pxor xmm1, xmm0
movups xmmword [ecx], xmm1
movups xmm1, xmmword [eax - 0x20]
movups xmm0, xmmword [ecx + 0x10]
pxor xmm1, xmm0
movups xmmword [ecx + 0x10], xmm1
add ecx, 0x20
cmp edx, ebp
jl 0x53dbf0
cmp edx, edi
jge 0x53dc2e
nop
mov al, byte [edx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x53dc20
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x53dc46
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [esi], al
mov eax, dword [esp + 0x14]
mov ebp, 1
mov byte [eax + esi - 1], 0xbc
test ebx, ebx
je 0x53dc61
push ebx
call fcn.004a1e50
add esp, 4
pop esi
pop edi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x2c
ret