Function at 0x4b93c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x18
call fcn.0057a390
mov ecx, dword [esp + 0x28]
or eax, 0xffffffff
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x14], eax
xor edi, edi
mov eax, dword [esp + 0x3c]
mov edx, ecx
test eax, eax
mov dword [esp + 0x20], 0
push ecx
cmovne edx, eax
mov dword [esp + 0x14], edi
mov dword [esp + 0x28], edx
call fcn.00464750
mov esi, dword [esp + 0x44]
mov ebp, eax
add esp, 4
test ebp, ebp
js 0x4b9689
cmp esi, 0xffffffff
jne 0x4b9416
mov esi, ebp
jmp 0x4b9429
cmp esi, 0xfffffffe
je 0x4b9424
cmp esi, 0xfffffffc
jne 0x4b9465
mov dword [esp + 0x14], ebp
mov esi, 0xfffffffd
mov ebx, dword [esp + 0x2c]
push dword [ebx + 0x14]
call fcn.0046ede0
dec eax
and eax, 7
push ebx
mov dword [esp + 0x20], eax
call fcn.004b70a0
add esp, 8
mov edx, eax
mov dword [esp + 0x1c], edx
cmp dword [esp + 0x18], edi
jne 0x4b9496
mov ecx, dword [esp + 0x30]
mov byte [ecx], 0
inc ecx
dec edx
mov dword [esp + 0x3c], ecx
mov dword [esp + 0x1c], edx
jmp 0x4b949e
jge 0x4b9429
call fcn.004650f0
push str.RSA_padding_add_PKCS1_PSS_mgf1
push 0xc4
push str.crypto_rsa_rsa_pss.c
call fcn.00465140
push 0
push 0x88
push 4
call fcn.00465170
add esp, 0x18
jmp 0x4b9689
mov eax, dword [esp + 0x30]
mov dword [esp + 0x3c], eax
lea eax, [ebp + 2]
cmp edx, eax
jge 0x4b94d1
call fcn.004650f0
push str.RSA_padding_add_PKCS1_PSS_mgf1
push 0xcf
push str.crypto_rsa_rsa_pss.c
call fcn.00465140
push 0
push 0x6e
push 4
call fcn.00465170
add esp, 0x18
jmp 0x4b9689
mov ebx, edx
sub ebx, ebp
cmp esi, 0xfffffffd
jne 0x4b96b2
mov eax, dword [esp + 0x14]
lea esi, [ebx - 2]
test eax, eax
js 0x4b94ef
cmp esi, eax
jle 0x4b94ef
mov esi, eax
test esi, esi
jle 0x4b952b
push 0xdb
push str.crypto_rsa_rsa_pss.c
push esi
call fcn.0045fd70
mov edi, eax
add esp, 0xc
test edi, edi
je 0x4b9689
mov eax, dword [esp + 0x2c]
push 0
push esi
push edi
push dword [eax + 4]
call fcn.00458350
add esp, 0x10
test eax, eax
jle 0x4b9689
mov eax, dword [esp + 0x3c]
lea ecx, [ebx - 1]
add eax, ecx
mov dword [esp + 0x14], eax
call fcn.004808d0
mov dword [esp + 0x10], eax
test eax, eax
je 0x4b9689
push 0
push dword [esp + 0x3c]
push eax
call fcn.004803c0
add esp, 0xc
test eax, eax
je 0x4b9689
push 8
push 0x5abd24
push dword [esp + 0x18]
call fcn.00480400
add esp, 0xc
test eax, eax
je 0x4b9689
push ebp
push dword [esp + 0x38]
push dword [esp + 0x18]
call fcn.00480400
add esp, 0xc
test eax, eax
je 0x4b9689
test esi, esi
je 0x4b95ae
push esi
push edi
push dword [esp + 0x18]
call fcn.00480400
add esp, 0xc
test eax, eax
je 0x4b9689
push 0
push dword [esp + 0x18]
push dword [esp + 0x18]
call fcn.004801d0
add esp, 0xc
test eax, eax
je 0x4b9689
push dword [esp + 0x24]
lea eax, [ebx - 1]
push ebp
push dword [esp + 0x1c]
mov ebp, dword [esp + 0x48]
push eax
push ebp
call fcn.004b8630
add esp, 0x14
test eax, eax
jne 0x4b9689
sub ebx, esi
xor byte [ebx + ebp - 2], 1
lea ecx, [ebx + ebp]
dec ecx
test esi, esi
jle 0x4b965f
xor edx, edx
cmp esi, 0x20
jb 0x4b964d
lea eax, [edi - 1]
lea ebx, [ecx - 1]
add eax, esi
add ebx, esi
cmp ecx, eax
ja 0x4b9612
cmp ebx, edi
jae 0x4b964d
mov eax, esi
and eax, 0x8000001f
jns 0x4b9620
dec eax
or eax, 0xffffffe0
inc eax
mov ebx, esi
sub ebx, eax
movups xmm0, xmmword [ecx]
movups xmm1, xmmword [edi + edx]
pxor xmm1, xmm0
movups xmmword [ecx], xmm1
movups xmm1, xmmword [edi + edx + 0x10]
add edx, 0x20
movups xmm0, xmmword [ecx + 0x10]
pxor xmm1, xmm0
movups xmmword [ecx + 0x10], xmm1
add ecx, 0x20
cmp edx, ebx
jl 0x4b9624
cmp edx, esi
jge 0x4b965f
mov al, byte [edx + edi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, esi
jl 0x4b9651
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4b9678
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [ebp], al
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x20], 1
mov byte [eax + ebp - 1], 0xbc
push dword [esp + 0x10]
call fcn.00480840
push 0x10a
push str.crypto_rsa_rsa_pss.c
push esi
push edi
call fcn.0045fe80
mov eax, dword [esp + 0x34]
add esp, 0x14
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x18
ret
lea eax, [ebx - 2]
cmp esi, eax
jle 0x4b94ef
call fcn.004650f0
push str.RSA_padding_add_PKCS1_PSS_mgf1
push 0xd7
jmp 0x4b94b4