Function at 0x1400fa12f
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
push r15
push r14
push r13
push r12
push rsi
push rdi
push rbp
push rbx
sub rsp, 0x28
mov r12d, 0xffffff9a
test rcx, rcx
je 0x1400fa42d
mov r13, rcx
mov rbp, qword [rcx + 0x110]
test rbp, rbp
je 0x1400fa42d
cmp qword [rbp], 0
je 0x1400fa417
xor r12d, r12d
test r8d, r8d
je 0x1400fa42d
mov qword [rbp + 0x18], rdx
mov dword [rbp + 0x20], r8d
mov ecx, r8d
mov rax, qword [rbp + 0x98]
mov r14d, dword [rbp + 0x10]
mov rdx, r14
add rdx, rax
cmp rdx, rcx
jae 0x1400fa1ae
cmp dword [rbp + 0x118], 0
je 0x1400fa1ae
add eax, r14d
mov dword [rbp + 0x20], eax
je 0x1400fa42d
lea rax, [rbp + 8]
mov qword [rsp + 0x20], rax
lea r12, [rbp + 0xa8]
xor esi, esi
mov r15d, 0xff
test r14d, r14d
jne 0x1400fa309
mov r14, qword [rbp + 0x98]
test r14, r14
je 0x1400fa306
mov eax, 0x4000
cmp r14, rax
cmovae r14, rax
test r14d, r14d
je 0x1400fa428
mov rdx, qword [rbp + 0x100]
mov r8, qword [rbp + 0x110]
add r8, qword [rbp + 0x60]
mov rcx, r12
xor r9d, r9d
call fcn.14010a571
mov ebx, 0xffffffff
test eax, eax
jne 0x1400fa42a
mov rdx, qword [rbp + 0x100]
mov r8, qword [rbp]
mov rcx, qword [rbp + 0xe0]
mov r9d, r14d
call qword [rbp + 0xb0]
cmp eax, r14d
jne 0x1400fa42a
mov r8, rsi
cmp dword [r13 + 0x118], 0
mov r9d, 0xfffd
je 0x1400fa2ea
xor eax, eax
mov ecx, dword [r13 + 0x128]
and ecx, r9d
lea edx, [rcx + 2]
xor ecx, 3
imul ecx, edx
shr ecx, 8
mov rdx, qword [rbp]
xor cl, byte [rdx + rax]
mov byte [rdx + rax], cl
movzx ecx, cl
mov rdx, qword [r13 + 0x130]
mov ebx, dword [r13 + 0x120]
mov edi, dword [r13 + 0x128]
mov esi, ebx
and esi, r15d
xor esi, ecx
shr ebx, 8
xor ebx, dword [rdx + rsi*4]
mov dword [r13 + 0x120], ebx
and ebx, r15d
add ebx, dword [r13 + 0x124]
imul ebx, ebx, 0x8088405
inc ebx
mov dword [r13 + 0x124], ebx
shr ebx, 0x18
mov esi, edi
and esi, r15d
xor esi, ebx
shr edi, 8
xor edi, dword [rdx + rsi*4]
mov dword [r13 + 0x128], edi
mov rdx, qword [rbp]
mov byte [rdx + rax], cl
inc rax
cmp rax, r14
jb 0x1400fa25b
add qword [rbp + 0x60], r14
sub qword [rbp + 0x98], r14
mov rax, qword [rbp]
mov qword [rbp + 8], rax
mov dword [rbp + 0x10], r14d
mov rsi, r8
jmp 0x1400fa309
xor r14d, r14d
mov eax, dword [rbp + 0x108]
test eax, eax
je 0x1400fa320
cmp dword [rbp + 0x118], 0
je 0x1400fa3ad
test r14d, r14d
jne 0x1400fa333
cmp qword [rbp + 0x98], 0
je 0x1400fa424
mov eax, dword [rbp + 0x20]
cmp eax, r14d
cmovb r14d, eax
test r14d, r14d
je 0x1400fa35f
mov ebx, r14d
xor eax, eax
mov rcx, qword [rbp + 8]
mov rdx, qword [rbp + 0x18]
mov cl, byte [rcx + rax]
mov byte [rdx + rax], cl
inc rax
cmp rax, rbx
jb 0x1400fa347
jmp 0x1400fa361
xor ebx, ebx
add qword [rbp + 0x88], rbx
mov rdx, qword [rbp + 0x18]
mov ecx, dword [rbp + 0x90]
mov r8d, r14d
call fcn.140052820
mov dword [rbp + 0x90], eax
sub qword [rbp + 0xa0], rbx
sub dword [rbp + 0x10], r14d
sub dword [rbp + 0x20], r14d
add qword [rbp + 0x18], rbx
add qword [rbp + 8], rbx
add dword [rbp + 0x24], r14d
add esi, r14d
cmp dword [rbp + 0x20], 0
je 0x1400fa41f
mov r14d, dword [rbp + 0x10]
jmp 0x1400fa1c6
cmp eax, 0xc
je 0x1400fa39e
mov r14, r12
mov edi, dword [rbp + 0x24]
mov rbx, qword [rbp + 0x18]
mov rcx, qword [rsp + 0x20]
mov edx, 2
call fcn.140005b3c
mov r12d, eax
test eax, eax
js 0x1400fa3e0
cmp qword [rbp + 0x28], 0
mov eax, 0xfffffffd
cmovne r12d, eax
mov rdx, rbx
mov ebx, dword [rbp + 0x24]
mov ecx, dword [rbp + 0x90]
sub rbx, rdi
add qword [rbp + 0x88], rbx
mov r8d, ebx
call fcn.140052820
mov dword [rbp + 0x90], eax
sub qword [rbp + 0xa0], rbx
add esi, ebx
test r12d, r12d
jne 0x1400fa441
mov r12, r14
jmp 0x1400fa39e
mov r12d, 0xffffff9c
jmp 0x1400fa42d
mov r12d, esi
jmp 0x1400fa42d
mov ebx, esi
jmp 0x1400fa42a
xor ebx, ebx
mov r12d, ebx
mov eax, r12d
add rsp, 0x28
pop rbx
pop rbp
pop rdi
pop rsi
pop r12
pop r13
pop r14
pop r15
ret
mov ebx, esi
cmp r12d, 1
je 0x1400fa42a
jmp 0x1400fa42d