Function at 0x1400029e0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
push rbp
push rdi
push r14
lea rbp, [rsp - 0x13f0]
mov eax, 0x14f0
call fcn.14000b960
sub rsp, rax
mov rax, qword [0x140013040]
xor rax, rsp
mov qword [rbp + 0x13e0], rax
mov rdi, rcx
mov qword [rsp + 0x28], rcx
xor esi, esi
mov dword [rsp + 0x20], esi
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov dword [rbp + 0x13d4], 0xffffffff
mov dword [rbp + 0x54], eax
lea edx, [rsi + 1]
nop dword [rax + rax]
mov ecx, eax
shr ecx, 0x1e
xor ecx, eax
imul eax, ecx, 0x6c078965
add eax, edx
mov dword [rbp + rdx*4 + 0x54], eax
inc rdx
cmp rdx, 0x270
jb 0x140002a40
mov dword [rbp + 0x50], 0x270
xor edx, edx
mov r8d, 0xf8
lea rcx, [rsp + 0x50]
call sub.VCRUNTIME140.dll_memset
lea rax, [0x14000dc70]
mov qword [rsp + 0x50], rax
lea rax, [0x14000db10]
mov qword [rsp + 0x60], rax
lea rcx, [rbp - 0x18]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::constructor_void____ptr64]
nop
mov dword [rsp + 0x20], 2
xor r8d, r8d
lea rdx, [rsp + 0x68]
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::constructor_class_std::basic_streambuf_char__struct_std::char_traits_char______ptr64____ptr64]
nop
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea r14, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rsp + rcx + 0x50], r14
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rsp + rcx + 0x4c], edx
lea rcx, [rsp + 0x68]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::constructor_void____ptr64]
lea rax, vtable.std::basic_stringbuf_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rsp + 0x68], rax
mov qword [rbp - 0x30], rsi
mov dword [rbp - 0x28], esi
mov ebx, 0x14
lea rcx, [rbp + 0x50]
call fcn.140008e80
mov ecx, eax
lea rdx, [rcx + rcx*4]
add rdx, rdx
cmp edx, 5
ja 0x140002b37
nop dword [rax]
lea rcx, [rbp + 0x50]
call fcn.140008e80
mov ecx, eax
lea rdx, [rcx + rcx*4]
add rdx, rdx
cmp edx, 6
jb 0x140002b20
shr rdx, 0x20
lea rcx, [rsp + 0x60]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_ostream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_ostream_char__struct_std::char_traits_char__::operator___int____ptr64]
sub rbx, 1
jne 0x140002b02
xorps xmm0, xmm0
movups xmmword [rdi], xmm0
mov qword [rdi + 0x10], rsi
mov qword [rdi + 0x18], 0xf
mov byte [rdi], bl
mov dword [rsp + 0x20], 0xa
movups xmmword [rsp + 0x30], xmm0
mov rcx, rsi
mov edx, dword [rbp - 0x28]
mov eax, edx
and al, 0x22
cmp al, 2
je 0x140002b9f
mov rax, qword [rbp - 0x58]
mov rbx, qword [rax]
test rbx, rbx
je 0x140002b9f
mov rax, qword [rbp - 0x78]
mov r9, qword [rax]
cmp rbx, qword [rbp - 0x30]
cmovb rbx, qword [rbp - 0x30]
sub rbx, r9
mov rcx, r9
jmp 0x140002bd1
test dl, 4
jne 0x140002bfd
mov rax, qword [rbp - 0x60]
mov rdx, qword [rax]
mov rbx, rsi
test rdx, rdx
je 0x140002bcc
mov rax, qword [rbp - 0x80]
mov r9, qword [rax]
mov rax, qword [rbp - 0x48]
movsxd rbx, dword [rax]
add rbx, rdx
sub rbx, r9
mov rcx, r9
jmp 0x140002bd1
mov r9, qword [rsp + 0x30]
test rcx, rcx
je 0x140002bfd
mov rcx, rdi
cmp rbx, 0xf
ja 0x140002bf4
mov qword [rdi + 0x10], rbx
mov r8, rbx
mov rdx, r9
call sub.VCRUNTIME140.dll_memmove
mov byte [rdi + rbx], 0
jmp 0x140002bfd
mov rdx, rbx
call fcn.140008650
nop
mov rcx, qword [rsp + 0x50]
movsxd rdx, dword [rcx + 4]
mov qword [rsp + rdx + 0x50], r14
mov rcx, qword [rsp + 0x50]
movsxd rdx, dword [rcx + 4]
lea r8d, [rdx - 0x98]
mov dword [rsp + rdx + 0x4c], r8d
lea rcx, [rsp + 0x68]
call fcn.140007110
lea rcx, [rsp + 0x70]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::destructor_void____ptr64]
lea rcx, [rbp - 0x18]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::destructor_void____ptr64]
mov rax, rdi
mov rcx, qword [rbp + 0x13e0]
xor rcx, rsp
call fcn.14000ab10
lea r11, [rsp + 0x14f0]
mov rbx, qword [r11 + 0x28]
mov rsi, qword [r11 + 0x30]
mov rsp, r11
pop r14
pop rdi
pop rbp
ret