Function at 0x1401c3f40
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x12f0]
mov eax, 0x13f0
call fcn.1402361c0
sub rsp, rax
mov rax, qword [0x140275028]
xor rax, rsp
mov qword [rbp + 0x12e0], rax
mov rbx, rdx
mov r14, rcx
mov qword [rsp + 0x20], rcx
xor edi, edi
mov dword [rsp + 0x28], edi
xorps xmm0, xmm0
movups xmmword [rsp + 0x38], xmm0
lea rdx, [rbp + 0x1328]
movabs rcx, 0xff00ff00ff00ff00
mov qword [rsp + 0x40], rcx
mov qword [rsp + 0x48], rdx
mov rax, qword [rdx]
xor rax, rcx
mov qword [rsp + 0x38], rax
mov qword [rdx], rdi
lea rcx, [0x140280770]
mov qword [rsp + 0x30], rcx
call qword [sym.imp.MSVCP140.dll__Mtx_lock]
test eax, eax
je 0x1401c3fd7
mov ecx, eax
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_C_error_int_]
nop
mov rdx, rbx
mov rcx, r14
call fcn.14020f1d0
mov r13d, 1
mov dword [rsp + 0x28], r13d
mov r8, rdi
cmp qword [rbx + 0x10], rdi
jbe 0x1401c4050
lea r10, [0x140280700]
nop dword [rax]
mov r9, rbx
cmp qword [rbx + 0x18], 0x10
jb 0x1401c400d
mov r9, qword [rbx]
mov rcx, r10
cmp qword [0x140280718], 0x10
cmovae rcx, qword [0x140280700]
xor edx, edx
mov rax, r8
div qword [0x140280710]
add rdx, rcx
movzx ecx, byte [r9 + r8]
xor cl, byte [rdx]
mov rax, r14
cmp qword [r14 + 0x18], 0x10
jb 0x1401c4043
mov rax, qword [r14]
mov byte [rax + r8], cl
inc r8
cmp r8, qword [rbx + 0x10]
jb 0x1401c4000
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rbp + 0x12d4], 0xffffffff
mov dword [rsp + 0x54], eax
mov rcx, r13
nop dword [rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rsp + rcx*4 + 0x54], edx
inc rcx
cmp rcx, 0x270
jb 0x1401c4070
mov dword [rsp + 0x50], 0x270
mov dword [rsp + 0x20], edi
call qword [sym.imp.MSVCP140.dll__Query_perf_frequency]
mov rbx, rax
call qword [sym.imp.MSVCP140.dll__Query_perf_counter]
cmp rbx, 0x989680
jne 0x1401c40b9
imul rax, rax, 0x64
jmp 0x1401c40d4
cqo
idiv rbx
imul rcx, rax, 0x3b9aca00
imul rax, rdx, 0x3b9aca00
cqo
idiv rbx
add rax, rcx
lea r15, [rax + 0x5f5e100]
mov r12d, 0x80000000
call qword [sym.imp.MSVCP140.dll__Query_perf_frequency]
mov rbx, rax
call qword [sym.imp.MSVCP140.dll__Query_perf_counter]
cmp rbx, 0x989680
jne 0x1401c40ff
imul rax, rax, 0x64
jmp 0x1401c411a
cqo
idiv rbx
imul rcx, rax, 0x3b9aca00
imul rax, rdx, 0x3b9aca00
cqo
idiv rbx
add rax, rcx
cmp rax, r15
jge 0x1401c42d0
mov esi, 0x186a0
nop dword [rax + rax]
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
cmp eax, 0x63
ja 0x1401c4168
nop dword [rax + rax]
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
cmp eax, 0x64
jb 0x1401c4150
shr rax, 0x20
lea ecx, [rax + 0x7fffff9c]
lea eax, [rcx + r12]
lea ebx, [rcx - 0x80000000]
cmp ecx, r12d
cmovae ebx, eax
test ebx, ebx
cmove ebx, r13d
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
mov edi, ebx
cmp eax, 0xc9
jae 0x1401c41c8
cmp eax, 0x64
jae 0x1401c41c8
nop dword [rax]
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
cmp eax, 0x64
jb 0x1401c41b0
shr rax, 0x20
lea ecx, [rax + 0x7fffff9c]
lea eax, [rcx + r12]
lea edx, [rcx - 0x80000000]
cmp ecx, r12d
cmovae edx, eax
mov eax, dword [rsp + 0x20]
add edx, eax
mov dword [rsp + 0x20], edx
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
mov ebx, edi
cmp eax, 0xc9
jae 0x1401c4228
cmp eax, 0x64
jae 0x1401c4228
nop dword [rax]
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
cmp eax, 0x64
jb 0x1401c4210
shr rax, 0x20
lea ecx, [rax + 0x7fffff9c]
lea eax, [rcx + r12]
lea edx, [rcx - 0x80000000]
cmp ecx, r12d
cmovae edx, eax
mov eax, dword [rsp + 0x20]
imul edx, eax
mov dword [rsp + 0x20], edx
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
mov edi, ebx
cmp eax, 0xc9
jae 0x1401c4288
cmp eax, 0x64
jae 0x1401c4288
nop
lea rcx, [rsp + 0x50]
call fcn.14021dbf0
mov ecx, eax
imul rax, rcx, 0xc9
cmp eax, 0x64
jb 0x1401c4270
shr rax, 0x20
lea edx, [rax + 0x7fffff9c]
lea eax, [rdx + r12]
lea ecx, [rdx - 0x80000000]
cmp edx, r12d
cmovae ecx, eax
mov eax, dword [rsp + 0x20]
sub eax, ecx
mov dword [rsp + 0x20], eax
mov eax, dword [rsp + 0x20]
cdq
idiv edi
mov dword [rsp + 0x20], eax
mov eax, dword [rsp + 0x20]
cdq
idiv edi
mov dword [rsp + 0x20], edx
sub rsi, r13
jne 0x1401c4130
jmp 0x1401c40e1
mov ecx, dword [rsp + 0x20]
mov rcx, qword [rsp + 0x30]
call qword [sym.imp.MSVCP140.dll__Mtx_unlock]
nop
mov rdx, qword [rsp + 0x40]
xor rdx, qword [rsp + 0x38]
mov rcx, qword [rsp + 0x48]
mov qword [rcx], rdx
mov rax, r14
mov rcx, qword [rbp + 0x12e0]
xor rcx, rsp
call fcn.140234e20
mov rbx, qword [rsp + 0x1440]
add rsp, 0x13f0
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret