Function at 0x4bb4c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x18
call fcn.0052e070
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
mov edx, ecx
push ebx
xor ebx, ebx
mov dword [esp + 0x10], 0
test eax, eax
mov dword [esp + 4], ebx
push ebp
cmovne edx, eax
push ecx
mov dword [esp + 0x1c], edx
call fcn.0048d530
mov ebp, eax
add esp, 4
test ebp, ebp
js 0x4bb78b
push edi
mov edi, dword [esp + 0x3c]
cmp edi, 0xffffffff
jne 0x4bb593
mov edi, ebp
push esi
mov esi, dword [esp + 0x2c]
push dword [esi + 0x10]
call fcn.0049a2f0
dec eax
and eax, 7
push esi
mov dword [esp + 0x20], eax
call fcn.004b9d50
mov esi, dword [esp + 0x38]
add esp, 8
mov ecx, eax
mov dword [esp + 0x3c], ecx
cmp dword [esp + 0x18], ebx
jne 0x4bb546
mov byte [esi], bl
inc esi
dec ecx
mov dword [esp + 0x3c], ecx
cmp edi, 0xfffffffe
jne 0x4bb5c6
mov edi, ecx
sub edi, ebp
sub edi, 2
test edi, edi
jle 0x4bb605
push 0xba
push str.crypto_rsa_rsa_pss.c
push edi
call fcn.00491130
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x4bb5ef
push 0xbd
push str.crypto_rsa_rsa_pss.c
push 0x41
push 0x98
push 4
call fcn.00492a30
add esp, 0x14
jmp 0x4bb789
cmp edi, 0xfffffffe
jne 0x4bb59d
jmp 0x4bb510
jge 0x4bb510
push 0xa8
push str.crypto_rsa_rsa_pss.c
push 0x88
push 0x98
push 4
call fcn.00492a30
add esp, 0x14
jmp 0x4bb78a
lea eax, [ebp + 2]
add eax, edi
cmp ecx, eax
jge 0x4bb552
push 0xb6
push str.crypto_rsa_rsa_pss.c
push 0x6e
push 0x98
push 4
call fcn.00492a30
add esp, 0x14
jmp 0x4bb789
push edi
push ebx
call fcn.004a2810
add esp, 8
test eax, eax
jle 0x4bb789
mov ecx, dword [esp + 0x3c]
sub ecx, ebp
mov dword [esp + 0x24], ecx
dec ecx
mov dword [esp + 0x14], ecx
call fcn.00491e70
mov dword [esp + 0x10], eax
test eax, eax
je 0x4bb789
push 0
push dword [esp + 0x3c]
push eax
call fcn.004919b0
add esp, 0xc
test eax, eax
je 0x4bb789
push 8
push 0x65bbd8
push dword [esp + 0x18]
call fcn.00491b50
add esp, 0xc
test eax, eax
je 0x4bb789
push ebp
push dword [esp + 0x38]
push dword [esp + 0x18]
call fcn.00491b50
add esp, 0xc
test eax, eax
je 0x4bb789
test edi, edi
je 0x4bb686
push edi
push ebx
push dword [esp + 0x18]
call fcn.00491b50
add esp, 0xc
test eax, eax
je 0x4bb789
mov eax, dword [esp + 0x14]
push 0
add eax, esi
push eax
push dword [esp + 0x18]
call fcn.00491910
add esp, 0xc
test eax, eax
je 0x4bb789
mov ecx, dword [esp + 0x14]
push dword [esp + 0x20]
push ebp
lea eax, [ecx + esi]
push eax
push ecx
push esi
call fcn.004ba950
add esp, 0x14
test eax, eax
jne 0x4bb789
mov ecx, dword [esp + 0x24]
sub ecx, edi
add ecx, esi
xor byte [ecx - 2], 1
lea eax, [ecx - 2]
dec ecx
test edi, edi
jle 0x4bb760
xor edx, edx
cmp edi, 0x40
jb 0x4bb74e
lea ebp, [eax + edi]
lea eax, [edi - 1]
add eax, ebx
cmp ecx, eax
ja 0x4bb6f1
cmp ebp, ebx
jae 0x4bb74e
mov eax, edi
and eax, 0x8000003f
jns 0x4bb6ff
dec eax
or eax, 0xffffffc0
inc eax
mov ebp, edi
sub ebp, eax
movups xmm0, xmmword [ecx]
movups xmm1, xmmword [ebx + edx]
pxor xmm1, xmm0
movups xmmword [ecx], xmm1
movups xmm0, xmmword [ecx + 0x10]
movups xmm1, xmmword [ebx + edx + 0x10]
pxor xmm1, xmm0
movups xmmword [ecx + 0x10], xmm1
movups xmm0, xmmword [ecx + 0x20]
movups xmm1, xmmword [ebx + edx + 0x20]
pxor xmm1, xmm0
movups xmmword [ecx + 0x20], xmm1
movups xmm0, xmmword [ecx + 0x30]
movups xmm1, xmmword [ebx + edx + 0x30]
add edx, 0x40
pxor xmm1, xmm0
movups xmmword [ecx + 0x30], xmm1
add ecx, 0x40
cmp edx, ebp
jl 0x4bb703
cmp edx, edi
jge 0x4bb760
mov al, byte [edx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x4bb752
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4bb778
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [esi], al
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x1c], 1
mov byte [eax + esi - 1], 0xbc
pop esi
pop edi
push dword [esp + 8]
call fcn.00491e50
push 0xec
push str.crypto_rsa_rsa_pss.c
push ebx
call fcn.00491160
mov eax, dword [esp + 0x24]
add esp, 0x10
pop ebp
pop ebx
add esp, 0x18
ret