Function at 0x1800a1680
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
push rdi
sub rsp, 0x30
xor ecx, ecx
call fcn.180033990
call fcn.1800377e0
mov rdi, rax
mov rbx, qword [rax + 0x50]
mov rcx, rbx
mov dword [rax], 0x20
call fcn.180050d00
movss xmm3, dword [0x1800b1308]
lea rdx, [0x1800f6980]
mov qword [rsp + 0x28], rax
xor esi, esi
mov r8d, 0x292c4
mov qword [rsp + 0x20], rsi
mov rcx, rbx
call fcn.18004c5f0
mov rbx, qword [rdi + 0x50]
mov rcx, rbx
call fcn.180050d00
movss xmm3, dword [0x1800aa6b8]
lea rdx, [0x18011fc50]
mov qword [rsp + 0x28], rax
mov r8d, 0xb18
mov rcx, rbx
mov qword [rsp + 0x20], rsi
call fcn.18004c5f0
xor ecx, ecx
mov qword [0x180123850], rax
call fcn.180056df0
mov rcx, qword [0x180123458]
call fcn.180060ee0
mov rdx, qword [0x180123468]
mov rcx, qword [0x180123460]
call fcn.18005fed0
call fcn.180038170
lea ecx, [rsi + 0x64]
mov dword [rax + 0x3c], 0x40a00000
mov dword [rax + 0x40], 0x40400000
mov dword [rax + 0x44], 0x40a00000
mov qword [rax + 0xc], rsi
mov dword [rax + 0x38], esi
mov dword [rax + 8], esi
mov dword [rax + 0x30], 0x41200000
mov qword [rax + 0x4c], rsi
mov dword [rax + 0x14], esi
mov dword [rax + 0x74], 0x40800000
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
jmp 0x1800a1680
mov qword [rsp + 0x18], rbx
mov qword [rsp + 0x20], rdi
push rbp
lea rbp, [rsp - 0x1340]
mov eax, 0x1440
call fcn.1800a3160
sub rsp, rax
mov rax, qword [0x180120cc0]
xor rax, rsp
mov qword [rbp + 0x12c0], rax
mov r8d, 0x1571
mov ebx, ecx
mov dword [rsp + 0x34], r8d
mov edx, 1
mov dword [rbp + 0x12b4], 0xffffffff
nop dword [rax]
mov eax, r8d
shr eax, 0x1e
xor eax, r8d
imul r8d, eax, 0x6c078965
add r8d, edx
mov dword [rsp + rdx*4 + 0x34], r8d
inc rdx
cmp rdx, 0x270
jb 0x1800a16d0
mov rax, qword [0x180123838]
mov edi, 0x270
sub rax, qword [0x180123828]
movsxd rcx, ebx
sar rax, 4
mov dword [rsp + 0x30], edi
mov qword [rsp + 0x20], rcx
cmp rcx, rax
jbe 0x1800a1740
movabs rax, 0xfffffffffffffff
cmp rcx, rax
ja 0x1800a1a61
lea rdx, [rsp + 0x20]
lea rcx, [0x180123828]
call fcn.18008cdb0
test ebx, ebx
jle 0x1800a1a3d
mov qword [rsp + 0x1458], rsi
mov rsi, rbx
movaps xmmword [rsp + 0x1430], xmm6
movaps xmmword [rsp + 0x1420], xmm7
movaps xmmword [rsp + 0x1410], xmm8
xorps xmm8, xmm8
movaps xmmword [rsp + 0x1400], xmm9
movss xmm9, dword [0x1800a8f34]
movaps xmmword [rsp + 0x13f0], xmm10
movss xmm10, dword [0x1800b131c]
movaps xmmword [rsp + 0x13e0], xmm11
movss xmm11, dword [0x1800b1318]
movaps xmmword [rsp + 0x13d0], xmm12
movss xmm12, dword [0x1800bb400]
cmp edi, 0x270
jne 0x1800a1812
lea r8, [rsp + 0x38]
mov r9d, edi
nop dword [rax + rax]
mov edx, dword [r8 - 4]
xor edx, dword [r8]
lea r8, [r8 + 4]
btr edx, 0x1f
xor edx, dword [r8 - 8]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
shr edx, 1
and ecx, 0x9908b0df
xor ecx, dword [r8 + 0x62c]
xor ecx, edx
mov dword [r8 + 0x9b8], ecx
sub r9, 1
jne 0x1800a17d0
mov edi, dword [rsp + 0x30]
jmp 0x1800a18ed
cmp edi, 0x4e0
jb 0x1800a18ed
xor r8d, r8d
mov eax, dword [rbp + r8*4 + 0x8f4]
mov edx, eax
xor edx, dword [rbp + r8*4 + 0x8f8]
btr edx, 0x1f
xor edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
shr edx, 1
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 + 0xf28]
xor ecx, edx
mov dword [rsp + r8*4 + 0x34], ecx
inc r8
cmp r8, 0xe3
jb 0x1800a1821
mov r8d, 0xe3
nop word [rax + rax]
mov eax, dword [rbp + r8*4 + 0x8f4]
mov edx, eax
xor edx, dword [rbp + r8*4 + 0x8f8]
btr edx, 0x1f
xor edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
shr edx, 1
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 - 0x458]
xor ecx, edx
mov dword [rsp + r8*4 + 0x34], ecx
inc r8
cmp r8, 0x26f
jb 0x1800a1870
mov edx, dword [rbp + 0x12b0]
mov eax, dword [rsp + 0x34]
and edx, 0x80000000
btr eax, 0x1f
or edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
shr edx, 1
and ecx, 0x9908b0df
xor ecx, edx
xor ecx, dword [rbp + 0x564]
xor edi, edi
mov dword [rbp + 0x8f0], ecx
mov dword [rsp + 0x30], edi
mov eax, edi
lea rcx, [rsp + 0x30]
inc edi
mov ebx, dword [rsp + rax*4 + 0x34]
mov eax, ebx
shr eax, 0xb
and eax, dword [rbp + 0x12b4]
xor ebx, eax
mov dword [rsp + 0x30], edi
mov eax, ebx
and eax, 0xff3a58ad
shl eax, 7
xor ebx, eax
mov eax, ebx
and eax, 0xffffdf8c
shl eax, 0xf
xor ebx, eax
call fcn.18008d010
movaps xmm6, xmm0
lea rcx, [rsp + 0x30]
addss xmm6, xmm8
addss xmm6, xmm6
subss xmm6, xmm9
call fcn.18008d010
lea rcx, [rsp + 0x30]
movaps xmm7, xmm0
call fcn.18008d010
mov rdx, qword [0x180123830]
addss xmm7, xmm8
movaps xmm1, xmm0
movss dword [rsp + 0x28], xmm6
xorps xmm0, xmm0
addss xmm1, xmm8
mov eax, ebx
shr eax, 0x12
xor eax, ebx
mulss xmm7, xmm11
cmp rdx, qword [0x180123838]
mulss xmm1, xmm10
cvtsi2ss xmm0, rax
movss dword [rsp + 0x20], xmm1
movss dword [rsp + 0x24], xmm7
subss xmm0, xmm8
addss xmm0, xmm8
mulss xmm0, xmm12
addss xmm0, xmm8
addss xmm0, xmm0
subss xmm0, xmm9
movss dword [rsp + 0x2c], xmm0
je 0x1800a19d8
movss dword [rdx], xmm1
movss dword [rdx + 4], xmm7
movss dword [rdx + 8], xmm6
movss dword [rdx + 0xc], xmm0
add qword [0x180123830], 0x10
jmp 0x1800a19e9
lea r8, [rsp + 0x20]
lea rcx, [0x180123828]
call fcn.18008ca80
sub rsi, 1
je 0x1800a19f8
mov edi, dword [rsp + 0x30]
jmp 0x1800a17b8
movaps xmm11, xmmword [rsp + 0x13e0]
movaps xmm10, xmmword [rsp + 0x13f0]
movaps xmm9, xmmword [rsp + 0x1400]
movaps xmm8, xmmword [rsp + 0x1410]
movaps xmm7, xmmword [rsp + 0x1420]
movaps xmm6, xmmword [rsp + 0x1430]
mov rsi, qword [rsp + 0x1458]
movaps xmm12, xmmword [rsp + 0x13d0]
mov rcx, qword [rbp + 0x12c0]
xor rcx, rsp
call fcn.1800a2760
lea r11, [rsp + 0x1440]
mov rbx, qword [r11 + 0x20]
mov rdi, qword [r11 + 0x28]
mov rsp, r11
pop rbp
ret
call fcn.180004140
int3