Function at 0x583f20
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.004ff310
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.00537380
add esp, 4
mov dword [esp + 8], eax
test eax, eax
js 0x5841e3
push edi
mov edi, dword [esp + 0x50]
cmp edi, 0xffffffff
jne 0x583ff4
mov edi, eax
push esi
mov esi, dword [esp + 0x40]
push dword [esi + 0x10]
call fcn.005344f0
dec eax
and eax, 7
push esi
mov dword [esp + 0x24], eax
call fcn.0052c400
mov esi, dword [esp + 0x4c]
add esp, 8
mov ecx, eax
mov dword [esp + 0x14], ecx
cmp dword [esp + 0x1c], ebx
jne 0x583f9c
mov byte [esi], bl
inc esi
dec ecx
mov dword [esp + 0x14], ecx
cmp edi, 0xfffffffe
jne 0x58402b
mov edi, ecx
sub edi, dword [esp + 0x10]
sub edi, 2
test edi, edi
jle 0x584060
push 0xe9
push str..crypto_rsa_rsa_pss.c
push edi
call fcn.0052aa30
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x58404a
push 0xec
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.0052dd20
add esp, 0x14
mov eax, ebp
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
cmp edi, 0xfffffffe
jne 0x583ffe
jmp 0x583f66
jge 0x583f66
push 0xd7
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.0052dd20
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 0x583fae
push 0xe5
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x583fdb
push edi
push ebx
call fcn.00533480
add esp, 8
test eax, eax
jle 0x5841d4
mov ecx, dword [esp + 0x14]
mov eax, ecx
sub eax, dword [esp + 0x10]
mov dword [esp + 0x20], eax
dec eax
mov dword [esp + 0x18], eax
lea eax, [esp + 0x24]
push eax
call fcn.0052f180
push 0
push dword [esp + 0x54]
lea eax, [esp + 0x30]
push eax
call fcn.0052ed60
add esp, 0x10
test eax, eax
je 0x5841d4
push 8
lea eax, [esp + 0x28]
push 0x60f6e8
push eax
call fcn.0052ef10
add esp, 0xc
test eax, eax
je 0x5841d4
push dword [esp + 0x10]
lea eax, [esp + 0x28]
push dword [esp + 0x4c]
push eax
call fcn.0052ef10
add esp, 0xc
test eax, eax
je 0x5841d4
test edi, edi
je 0x5840e8
push edi
lea eax, [esp + 0x28]
push ebx
push eax
call fcn.0052ef10
add esp, 0xc
test eax, eax
je 0x5841d4
mov eax, dword [esp + 0x18]
add eax, esi
push 0
push eax
lea eax, [esp + 0x2c]
push eax
call fcn.0052ecc0
add esp, 0xc
test eax, eax
je 0x5841d4
lea eax, [esp + 0x24]
push eax
call fcn.0052ef20
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.0057fe30
add esp, 0x18
test eax, eax
jne 0x5841d4
mov ecx, dword [esp + 0x20]
sub ecx, edi
add ecx, esi
xor byte [ecx - 2], 1
dec ecx
test edi, edi
jle 0x5841ae
xor edx, edx
cmp edi, 0x20
jb 0x58419c
lea eax, [ebx - 1]
lea ebp, [ecx - 1]
add eax, edi
add ebp, edi
cmp ecx, eax
ja 0x58415c
cmp ebp, ebx
jae 0x58419c
mov eax, edi
and eax, 0x8000001f
jns 0x58416a
dec eax
or eax, 0xffffffe0
inc eax
mov ebp, edi
sub ebp, eax
lea eax, [ebx + 0x10]
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 0x584171
cmp edx, edi
jge 0x5841ae
mov al, byte [edx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x5841a0
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x5841c6
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 0x5841e1
push ebx
call fcn.0052a9b0
add esp, 4
pop esi
pop edi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x2c
ret