Function at 0x663a30
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1c
call fcn.006d13f0
mov eax, dword [ebp + 0x18]
mov ecx, dword [ebp + 0x14]
mov edx, ecx
push ebx
xor ebx, ebx
mov dword [ebp - 0x18], 0
push esi
test eax, eax
mov dword [ebp - 4], ebx
push edi
cmovne edx, eax
push ecx
mov dword [ebp - 0x1c], edx
call fcn.005da290
mov edi, dword [ebp + 0x1c]
add esp, 4
mov dword [ebp + 0x18], eax
test eax, eax
js 0x663cf7
cmp edi, 0xffffffff
jne 0x663ad3
mov edi, eax
mov esi, dword [ebp + 8]
push dword [esi + 0x10]
call fcn.005f68c0
dec eax
and eax, 7
push esi
mov dword [ebp - 0x10], eax
call fcn.005db910
mov esi, dword [ebp + 0xc]
add esp, 8
mov edx, eax
mov dword [ebp - 0x14], edx
cmp dword [ebp - 0x10], ebx
jne 0x663aa9
mov byte [esi], bl
inc esi
dec edx
mov dword [ebp - 0x14], edx
mov ecx, dword [ebp + 0x18]
lea eax, [ecx + 2]
cmp edx, eax
jge 0x663b07
push 0xba
push str.....crypto_rsa_rsa_pss.c
push 0x6e
push 0x98
push 4
call fcn.005e34c0
add esp, 0x14
jmp 0x663cf7
cmp edi, 0xfffffffe
jne 0x663adf
mov edi, 0xfffffffd
jmp 0x663a7a
cmp edi, 0xfffffffd
jge 0x663a7a
push 0xae
push str.....crypto_rsa_rsa_pss.c
push 0x88
push 0x98
push 4
call fcn.005e34c0
add esp, 0x14
jmp 0x663cf7
mov eax, edx
sub eax, ecx
mov dword [ebp - 0xc], eax
lea ecx, [eax - 2]
cmp edi, 0xfffffffd
jne 0x663b55
mov edi, ecx
test edi, edi
jle 0x663b78
push 0xc5
push str.....crypto_rsa_rsa_pss.c
push edi
call fcn.005e91f0
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x663b63
push 0xc8
push str.....crypto_rsa_rsa_pss.c
push 0x41
push 0x98
push 4
call fcn.005e34c0
add esp, 0x14
jmp 0x663cf7
cmp edi, ecx
jle 0x663b18
push 0xc1
jmp 0x663ab8
push edi
push ebx
call fcn.005db960
add esp, 8
test eax, eax
jle 0x663cf7
mov eax, dword [ebp - 0xc]
dec eax
mov dword [ebp - 8], eax
call fcn.006194e0
mov dword [ebp - 4], eax
test eax, eax
je 0x663cf7
push 0
push dword [ebp + 0x14]
push eax
call fcn.00618fe0
add esp, 0xc
test eax, eax
je 0x663cf7
push 8
push 0x75595c
push dword [ebp - 4]
call fcn.00619180
add esp, 0xc
test eax, eax
je 0x663cf7
push dword [ebp + 0x18]
push dword [ebp + 0x10]
push dword [ebp - 4]
call fcn.00619180
add esp, 0xc
test eax, eax
je 0x663cf7
test edi, edi
je 0x663bee
push edi
push ebx
push dword [ebp - 4]
call fcn.00619180
add esp, 0xc
test eax, eax
je 0x663cf7
mov eax, dword [ebp - 8]
push 0
add eax, esi
push eax
push dword [ebp - 4]
call fcn.00618f40
add esp, 0xc
test eax, eax
je 0x663cf7
push dword [ebp - 0x1c]
mov ecx, dword [ebp - 8]
push dword [ebp + 0x18]
lea eax, [ecx + esi]
push eax
push ecx
push esi
call fcn.00637560
add esp, 0x14
test eax, eax
jne 0x663cf7
mov eax, dword [ebp - 0xc]
lea ecx, [esi - 2]
sub eax, edi
add ecx, eax
mov dword [ebp + 0x18], ecx
xor byte [ecx], 1
inc ecx
mov dword [ebp - 0x1c], ecx
test edi, edi
jle 0x663cd1
xor edx, edx
cmp edi, 0x40
jb 0x663cbf
lea eax, [edi - 1]
add eax, ebx
cmp ecx, eax
ja 0x663c5d
mov eax, dword [ebp + 0x18]
add eax, edi
cmp eax, ebx
jae 0x663cbf
mov eax, edi
and eax, 0x8000003f
jns 0x663c6b
dec eax
or eax, 0xffffffc0
inc eax
mov dword [ebp + 0x18], edi
sub dword [ebp + 0x18], eax
mov eax, dword [ebp + 0x18]
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, eax
jl 0x663c74
cmp edx, edi
jge 0x663cd1
mov al, byte [edx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x663cc3
mov eax, dword [ebp - 0x10]
test eax, eax
je 0x663ce8
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [esi], al
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0x18], 1
mov byte [eax + esi - 1], 0xbc
push dword [ebp - 4]
call fcn.006194c0
push 0xf7
push str.....crypto_rsa_rsa_pss.c
push edi
push ebx
call fcn.005e9300
mov eax, dword [ebp - 0x18]
add esp, 0x14
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret