Function at 0x18001c620
Capabilities:
Encode data using xor

Disassembly:
mov r11, rsp
push rbx
sub rsp, 0x100
mov rax, qword [0x18004b010]
xor rax, rsp
mov qword [rsp + 0xa0], rax
movups xmm0, xmmword [0x180045940]
mov rbx, r8
movups xmm1, xmmword [0x180045950]
xor r8d, r8d
cmp dword [0x18004b018], 2
mov eax, dword [0x180045980]
mov qword [r11 - 0x10], rsi
mov rsi, rcx
movups xmmword [rsp + 0x20], xmm0
movups xmm0, xmmword [0x180045960]
movups xmmword [rsp + 0x30], xmm1
movups xmm1, xmmword [0x180045970]
mov dword [rsp + 0x60], eax
movzx eax, word [0x180045984]
mov qword [r11 - 0x18], rdi
mov rdi, rdx
movups xmmword [rsp + 0x40], xmm0
movups xmmword [rsp + 0x50], xmm1
mov word [rsp + 0x64], ax
jl 0x18001c806
movdqa xmm5, xmmword [0x180045d60]
lea rcx, [rsp + 0x20]
movdqa xmm4, xmmword [0x1800460f0]
mov eax, 4
movaps xmmword [r11 - 0x28], xmm6
movaps xmmword [r11 - 0x38], xmm7
movdqa xmm7, xmmword [0x180045db0]
movaps xmmword [r11 - 0x48], xmm8
movd xmm6, eax
mov eax, 0x1f
movaps xmmword [r11 - 0x58], xmm9
movdqa xmm9, xmmword [0x180045e90]
movd xmm8, eax
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, 0x20
jl 0x18001c6f1
movaps xmm9, xmmword [rsp + 0xb0]
movaps xmm8, xmmword [rsp + 0xc0]
movaps xmm7, xmmword [rsp + 0xd0]
movaps xmm6, xmmword [rsp + 0xe0]
cmp r8d, 0x23
jge 0x18001c856
movsxd rax, r8d
lea r9, [rsp + 0x20]
lea r9, [r9 + rax*2]
nop dword [rax]
nop word [rax + rax]
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, 0x23
jl 0x18001c820
xor r9d, r9d
lea r8, [rsp + 0x20]
xor edx, edx
xor ecx, ecx
call qword [0x18004d7d8]
xorps xmm0, xmm0
lea r8, [rsp + 0x70]
xorps xmm1, xmm1
mov rdx, rax
mov rcx, rsi
movups xmmword [rsp + 0x70], xmm0
movups xmmword [rsp + 0x80], xmm1
movups xmmword [rsp + 0x90], xmm0
call fcn.18001b190
mov rsi, qword [rsp + 0xf8]
test rdi, rdi
je 0x18001c8b6
movups xmm0, xmmword [rsp + 0x70]
movsd xmm1, qword [rsp + 0x80]
movups xmmword [rdi], xmm0
movsd qword [rdi + 0x10], xmm1
mov rdi, qword [rsp + 0xf0]
test rbx, rbx
je 0x18001c8dc
movups xmm0, xmmword [rsp + 0x88]
movsd xmm1, qword [rsp + 0x98]
movups xmmword [rbx], xmm0
movsd qword [rbx + 0x10], xmm1
mov rcx, qword [rsp + 0xa0]
xor rcx, rsp
call fcn.180020760
add rsp, 0x100
pop rbx
ret