Function at 0x1400400e0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push rbp
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x1390]
mov eax, 0x1490
call fcn.14012d420
sub rsp, rax
mov rax, qword [0x1401c10c0]
xor rax, rsp
mov qword [rbp + 0x1380], rax
mov r12, rcx
mov qword [rbp - 0x18], rcx
mov dword [rsp + 0x24], 0
call qword [0x140133750]
mov edx, eax
mov dword [rbp + 0x1374], 0xffffffff
mov dword [rbp - 0xc], eax
mov ecx, 1
nop word [rax + rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rbp + rcx*4 - 0xc], edx
inc rcx
cmp rcx, 0x270
jb 0x140040150
mov dword [rbp - 0x10], 0x270
lea r13, str.0123456789ABCDEF
xorps xmm0, xmm0
movups xmmword [rsp + 0x68], xmm0
xor edi, edi
mov qword [rsp + 0x78], rdi
mov r15d, 0xf
mov qword [rbp - 0x80], r15
mov byte [rsp + 0x68], dil
mov dword [rsp + 0x24], 2
mov r14d, 0xa
mov esi, r14d
movzx ebx, byte [rsp + 0x20]
lea rcx, [rbp - 0x10]
call fcn.140036da0
mov eax, eax
shl rax, 4
shr rax, 0x20
add eax, 0x80000000
movsxd rcx, eax
xor rcx, 0xffffffff80000000
movzx r9d, byte [rcx + r13]
cmp rdi, r15
jae 0x140040200
lea rax, [rdi + 1]
mov qword [rsp + 0x78], rax
lea rax, [rsp + 0x68]
cmp r15, 0xf
cmova rax, qword [rsp + 0x68]
mov byte [rax + rdi], r9b
mov byte [rax + rdi + 1], 0
jmp 0x140040213
movzx r8d, bl
mov edx, 1
lea rcx, [rsp + 0x68]
call fcn.140054760
sub rsi, 1
je 0x140040224
mov r15, qword [rbp - 0x80]
mov rdi, qword [rsp + 0x78]
jmp 0x1400401b1
xorps xmm0, xmm0
movups xmmword [rsp + 0x48], xmm0
xor edi, edi
mov qword [rsp + 0x58], rdi
mov r15d, 0xf
mov qword [rsp + 0x60], r15
mov byte [rsp + 0x48], dil
mov dword [rsp + 0x24], 6
mov rsi, r14
movzx ebx, byte [rsp + 0x20]
lea rcx, [rbp - 0x10]
call fcn.140036da0
mov eax, eax
shl rax, 4
shr rax, 0x20
add eax, 0x80000000
movsxd rcx, eax
xor rcx, 0xffffffff80000000
movzx r9d, byte [rcx + r13]
cmp rdi, r15
jae 0x1400402a2
lea rax, [rdi + 1]
mov qword [rsp + 0x58], rax
lea rax, [rsp + 0x48]
cmp r15, 0xf
cmova rax, qword [rsp + 0x48]
mov byte [rax + rdi], r9b
mov byte [rax + rdi + 1], 0
jmp 0x1400402b5
movzx r8d, bl
mov edx, 1
lea rcx, [rsp + 0x48]
call fcn.140054760
sub rsi, 1
je 0x1400402c7
mov r15, qword [rsp + 0x60]
mov rdi, qword [rsp + 0x58]
jmp 0x140040253
xorps xmm0, xmm0
movups xmmword [rsp + 0x28], xmm0
xor esi, esi
mov qword [rsp + 0x38], rsi
mov qword [rsp + 0x40], 0xf
mov byte [rsp + 0x28], sil
mov edi, 0xe
mov dword [rsp + 0x24], edi
movzx ebx, byte [rsp + 0x20]
lea rcx, [rbp - 0x10]
call fcn.140036da0
mov eax, eax
shl rax, 4
shr rax, 0x20
add eax, 0x80000000
movsxd rcx, eax
xor rcx, 0xffffffff80000000
movzx r9d, byte [rcx + r13]
mov rcx, qword [rsp + 0x38]
mov rdx, qword [rsp + 0x40]
cmp rcx, rdx
jae 0x14004034b
lea rax, [rcx + 1]
mov qword [rsp + 0x38], rax
lea rax, [rsp + 0x28]
cmp rdx, 0xf
cmova rax, qword [rsp + 0x28]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], sil
jmp 0x14004035e
movzx r8d, bl
mov edx, 1
lea rcx, [rsp + 0x28]
call fcn.140054760
sub r14, 1
jne 0x1400402f2
mov r8d, 1
lea rdx, [0x14019cfec]
lea rcx, [rsp + 0x28]
call fcn.14004e1d0
movups xmm0, xmmword [rax]
movups xmmword [rbp - 0x38], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp - 0x28], xmm1
mov qword [rax + 0x18], 0xf
mov qword [rax + 0x10], rsi
mov byte [rax], sil
or edi, 0x10
mov dword [rsp + 0x24], edi
lea r9, [rsp + 0x48]
lea r8, [rbp - 0x38]
movzx edx, byte [rsp + 0x20]
lea rcx, [rbp - 0x78]
call fcn.1400563d0
or edi, 0x20
mov dword [rsp + 0x24], edi
mov r8d, 1
lea rdx, [0x14019cfec]
lea rcx, [rbp - 0x78]
call fcn.14004e1d0
movups xmm0, xmmword [rax]
movups xmmword [rbp - 0x58], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp - 0x48], xmm1
mov qword [rax + 0x10], rsi
mov qword [rax + 0x18], 0xf
mov byte [rax], r14b
or edi, 0x40
mov dword [rsp + 0x24], edi
lea r9, [rsp + 0x68]
lea r8, [rbp - 0x58]
movzx edx, byte [rsp + 0x20]
mov rcx, r12
call fcn.1400563d0
nop
mov rdx, qword [rbp - 0x40]
cmp rdx, 0xf
jbe 0x14004044f
inc rdx
mov rcx, qword [rbp - 0x58]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140040449
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140040449
call qword [0x140133ce8]
int3
call fcn.14012cdb4
nop
mov rdx, qword [rbp - 0x60]
cmp rdx, 0xf
jbe 0x14004048d
inc rdx
mov rcx, qword [rbp - 0x78]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140040488
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140040488
call qword [0x140133ce8]
int3
call fcn.14012cdb4
movdqa xmm0, xmmword [0x1401a3c10]
movdqu xmmword [rbp - 0x68], xmm0
mov byte [rbp - 0x78], 0
mov rdx, qword [rbp - 0x20]
cmp rdx, 0xf
jbe 0x1400404dd
inc rdx
mov rcx, qword [rbp - 0x38]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400404d7
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400404d7
call qword [0x140133ce8]
int3
call fcn.14012cdb4
nop
mov rdx, qword [rsp + 0x40]
cmp rdx, 0xf
jbe 0x14004051d
inc rdx
mov rcx, qword [rsp + 0x28]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140040518
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140040518
call qword [0x140133ce8]
int3
call fcn.14012cdb4
mov qword [rsp + 0x38], rsi
mov qword [rsp + 0x40], 0xf
mov byte [rsp + 0x28], 0
mov rdx, qword [rsp + 0x60]
cmp rdx, 0xf
jbe 0x140040571
inc rdx
mov rcx, qword [rsp + 0x48]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14004056b
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14004056b
call qword [0x140133ce8]
int3
call fcn.14012cdb4
nop
mov rdx, qword [rbp - 0x80]
cmp rdx, 0xf
jbe 0x1400405b0
inc rdx
mov rcx, qword [rsp + 0x68]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400405ab
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400405ab
call qword [0x140133ce8]
int3
call fcn.14012cdb4
mov rax, r12
mov rcx, qword [rbp + 0x1380]
xor rcx, rsp
call fcn.14012c680
lea r11, [rsp + 0x1490]
mov rbx, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rdi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret