Function at 0x180018d80
Capabilities:
Encode data using xor

Disassembly:
mov r11, rsp
mov qword [r11 + 0x18], rbx
mov qword [r11 + 0x20], rbp
push rsi
push r14
push r15
sub rsp, 0x120
movaps xmmword [r11 - 0x28], xmm6
movaps xmmword [r11 - 0x38], xmm7
movaps xmmword [r11 - 0x48], xmm8
movaps xmmword [r11 - 0x58], xmm9
mov rax, qword [0x18004b010]
xor rax, rsp
mov qword [rsp + 0xd0], rax
movups xmm0, xmmword [0x180044d00]
xor ebx, ebx
movups xmm1, xmmword [0x180044d10]
mov rbp, rcx
movups xmmword [rsp + 0x60], xmm0
mov r8d, ebx
movups xmm0, xmmword [0x180044d20]
movups xmmword [rsp + 0x70], xmm1
lea r14d, [rbx + 4]
movups xmm1, xmmword [0x180044d30]
lea r15d, [rbx + 0x1f]
movups xmmword [rsp + 0x80], xmm0
movups xmm0, xmmword [str.4_5]
movups xmmword [rsp + 0x90], xmm1
movsd xmm1, qword [0x180044d50]
mov qword [r11 + 0x10], rdi
mov edi, dword [0x18004b018]
movups xmmword [rsp + 0xa0], xmm0
movsd qword [rsp + 0xb0], xmm1
cmp edi, 2
jl 0x180018f63
movdqa xmm5, xmmword [0x180045d60]
lea rcx, [rsp + 0x60]
movdqa xmm4, xmmword [0x1800460f0]
movdqa xmm7, xmmword [0x180045db0]
movdqa xmm9, xmmword [0x180045e90]
movd xmm6, r14d
movd xmm8, r15d
nop word [rax + rax]
movd xmm2, r8d
lea eax, [r8 + 4]
pshufd xmm2, xmm2, 0
lea rcx, [rcx + 0x10]
paddd xmm2, xmm5
add r8d, 8
movdqa xmm1, xmm2
movdqa xmm0, xmm2
punpckhdq xmm0, xmm2
punpckldq xmm1, xmm2
pmuldq xmm0, xmm4
pmuldq xmm1, xmm4
shufps xmm1, xmm0, 0xdd
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
movq xmm2, xmm9
pshufhw xmm1, xmm0, 0xd8
movq xmm0, qword [rcx - 0x10]
pshufd xmm3, xmm1, 0xd8
paddw xmm3, xmm2
movd xmm2, eax
pshufd xmm2, xmm2, 0
pxor xmm3, xmm0
movq qword [rcx - 0x10], xmm3
paddd xmm2, xmm5
movdqa xmm1, xmm2
movdqa xmm0, xmm2
punpckhdq xmm0, xmm2
pmuldq xmm0, xmm4
punpckldq xmm1, xmm2
pmuldq xmm1, xmm4
shufps xmm1, xmm0, 0xdd
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
movq xmm2, xmm9
pshufhw xmm1, xmm0, 0xd8
movq xmm0, qword [rcx - 8]
pshufd xmm3, xmm1, 0xd8
paddw xmm3, xmm2
pxor xmm3, xmm0
movq qword [rcx - 8], xmm3
cmp r8d, 0x28
jl 0x180018e70
cmp r8d, 0x2c
jge 0x180018fa6
movsxd rax, r8d
lea r9, [rsp + 0x60]
lea r9, [r9 + rax*2]
nop
mov eax, 0x5397829d
lea r9, [r9 + 2]
imul r8d
sar edx, 4
mov eax, edx
shr eax, 0x1f
add edx, eax
mov eax, 1
sub ax, dx
movzx eax, ax
imul ecx, eax, 0x31
add cx, r8w
inc r8d
xor word [r9 - 2], cx
cmp r8d, 0x2c
jl 0x180018f70
xor r9d, r9d
lea r8, [rsp + 0x60]
xor edx, edx
xor ecx, ecx
call qword [0x18004d7d8]
movups xmm0, xmmword [0x180044b50]
cmp edi, 2
movups xmm1, xmmword [0x180044b60]
mov rsi, rax
mov rdi, qword [rsp + 0x148]
movups xmmword [rsp + 0x20], xmm0
movups xmm0, xmmword [0x180044b70]
movups xmmword [rsp + 0x30], xmm1
movups xmm1, xmmword [0x180044b80]
movups xmmword [rsp + 0x40], xmm0
movups xmmword [rsp + 0x50], xmm1
jl 0x18001911b
movdqa xmm5, xmmword [0x180045d60]
lea rcx, [rsp + 0x20]
movdqa xmm4, xmmword [0x1800460f0]
movdqa xmm7, xmmword [0x180045db0]
movdqa xmm9, xmmword [0x180045e90]
movd xmm6, r14d
movd xmm8, r15d
nop dword [rax]
movd xmm2, ebx
lea eax, [rbx + 4]
pshufd xmm2, xmm2, 0
lea rcx, [rcx + 0x10]
paddd xmm2, xmm5
add ebx, 8
movdqa xmm1, xmm2
movdqa xmm0, xmm2
punpckhdq xmm0, xmm2
punpckldq xmm1, xmm2
pmuldq xmm0, xmm4
pmuldq xmm1, xmm4
shufps xmm1, xmm0, 0xdd
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
movq xmm2, xmm9
pshufhw xmm1, xmm0, 0xd8
movq xmm0, qword [rcx - 0x10]
pshufd xmm3, xmm1, 0xd8
paddw xmm3, xmm2
movd xmm2, eax
pshufd xmm2, xmm2, 0
pxor xmm3, xmm0
movq qword [rcx - 0x10], xmm3
paddd xmm2, xmm5
movdqa xmm1, xmm2
movdqa xmm0, xmm2
punpckhdq xmm0, xmm2
pmuldq xmm0, xmm4
punpckldq xmm1, xmm2
pmuldq xmm1, xmm4
shufps xmm1, xmm0, 0xdd
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
movq xmm2, xmm9
pshufhw xmm1, xmm0, 0xd8
movq xmm0, qword [rcx - 8]
pshufd xmm3, xmm1, 0xd8
paddw xmm3, xmm2
pxor xmm3, xmm0
movq qword [rcx - 8], xmm3
cmp ebx, 0x20
jl 0x180019030
jmp 0x18001914b
lea r8, [rsp + 0x20]
mov eax, 0x5397829d
lea r8, [r8 + 2]
mul ebx
mov eax, 1
shr edx, 4
sub ax, dx
movzx eax, ax
imul ecx, eax, 0x31
add cx, bx
inc ebx
xor word [r8 - 2], cx
cmp ebx, 0x20
jl 0x180019120
xor r9d, r9d
lea r8, [rsp + 0x20]
xor edx, edx
xor ecx, ecx
call qword [0x18004d7d8]
lea r8, [rsp + 0xc0]
mov qword [rsp + 0xc0], rbp
mov rcx, rax
mov rdx, rsi
call fcn.18001b190
movsd xmm0, qword [rsp + 0xc8]
mov rcx, qword [rsp + 0xd0]
xor rcx, rsp
call fcn.180020760
lea r11, [rsp + 0x120]
mov rbx, qword [r11 + 0x30]
mov rbp, qword [r11 + 0x38]
movaps xmm6, xmmword [r11 - 0x10]
movaps xmm7, xmmword [r11 - 0x20]
movaps xmm8, xmmword [r11 - 0x30]
movaps xmm9, xmmword [r11 - 0x40]
mov rsp, r11
pop r15
pop r14
pop rsi
ret