Function at 0x18003fe50
Capabilities:
Encode data using xor

Disassembly:
mov rax, rsp
mov qword [rax + 8], rcx
push rbp
push rsi
push r15
sub rsp, 0x60
mov rbp, rcx
xor r15d, r15d
mov rcx, qword [rcx]
mov rsi, rdx
mov dword [rsp + 0x90], r15d
cmp dword [rbp + 0x14], r15d
jle 0x180040584
mov qword [rax + 0x10], rbx
mov qword [rax - 0x20], rdi
mov qword [rax - 0x28], r12
mov qword [rax - 0x30], r13
mov qword [rax - 0x38], r14
movsxd rax, dword [rbp + 0x1c]
mov r14, rcx
mov r13d, dword [r14]
lea rcx, [rcx + rax*4]
dec r13d
mov qword [rsp + 0x30], rcx
test r13d, r13d
jle 0x180040553
mov r8d, dword [rbp + 0xc]
add r14, 4
mov rdx, qword [rsi + 0x48]
add r8d, r15d
movsxd rax, r8d
xor r9d, r9d
mov r10d, dword [r14]
mov dword [rsi + 0x68], r8d
movsxd rcx, dword [rdx + 0x14]
imul rcx, rax
add rcx, qword [rdx]
sub r13d, 1
mov qword [rsi + 0x70], rcx
js 0x180040360
nop word [rax + rax]
mov r15d, dword [r14 + 4]
lea r14, [r14 + 8]
mov r12d, dword [r14]
mov eax, r12d
cdq
movzx ebx, dl
add ebx, eax
mov eax, r10d
cdq
sar ebx, 8
movzx edx, dl
add eax, edx
sar eax, 8
mov ebp, eax
cmp ebx, eax
jne 0x18003ff2b
mov eax, r12d
sub eax, r10d
imul eax, r15d
add r9d, eax
jmp 0x180040343
movzx eax, r10b
mov ecx, 0x100
sub ecx, eax
imul ecx, r15d
lea eax, [r9 + rcx]
cdq
movzx edx, dl
add eax, edx
sar eax, 8
mov edi, eax
test eax, eax
jle 0x180040126
mov r9d, 1
mov r8d, ebp
mov rcx, rsi
cmp eax, 0xff
jl 0x18004004d
lea rdx, [rsp + 0x98]
call fcn.180053b50
mov rax, qword [rsi + 0x48]
mov ecx, ebp
mov r10d, dword [rsp + 0x98]
mov edx, 0x100
mov r9d, r10d
and r10d, 0xff00ff
imul r10d, dword [rsi + 0x58]
imul ecx, dword [rax + 0x18]
shr r9d, 8
and r9d, 0xff00ff
imul r9d, dword [rsi + 0x58]
shr r10d, 8
movsxd r11, ecx
and r10d, 0xff00ff
add r11, qword [rsi + 0x70]
mov ecx, 0x100
shr r9d, 8
and r9d, 0xff00ff
mov r8d, dword [r11]
mov eax, r9d
shr eax, 0x10
sub edx, eax
mov eax, r8d
and eax, 0xff00ff
shr r8d, 8
imul eax, edx
and r8d, 0xff00ff
imul r8d, edx
mov edx, 0x100
shr eax, 8
and eax, 0xff00ff
shr r8d, 8
add r10d, eax
and r8d, 0xff00ff
add r9d, r8d
mov eax, r9d
shl r9d, 8
shr eax, 8
and eax, 0xff00ff
sub edx, eax
mov eax, r10d
shl edx, 8
shr eax, 8
or edx, r9d
and eax, 0xff00ff
and edx, 0xff00ff00
sub ecx, eax
or ecx, r10d
and ecx, 0xff00ff
xor ecx, edx
mov dword [r11], ecx
jmp 0x180040126
lea rdx, [rsp + 0x20]
call fcn.180053b50
mov rax, qword [rsi + 0x48]
mov ecx, ebp
imul edi, dword [rsi + 0x58]
mov edx, 0x100
imul ecx, dword [rax + 0x18]
mov eax, dword [rsp + 0x20]
mov r9d, eax
and eax, 0xff00ff
shr r9d, 8
and r9d, 0xff00ff
shr edi, 8
imul eax, edi
movsxd r10, ecx
add r10, qword [rsi + 0x70]
imul r9d, edi
shr eax, 8
and eax, 0xff00ff
shr r9d, 8
and r9d, 0xff00ff
mov ecx, r9d
shr ecx, 0x10
sub edx, ecx
mov ecx, dword [r10]
mov r8d, ecx
shr ecx, 8
and ecx, 0xff00ff
and r8d, 0xff00ff
imul ecx, edx
imul r8d, edx
mov edx, 0x100
shr ecx, 8
and ecx, 0xff00ff
shr r8d, 8
add r9d, ecx
and r8d, 0xff00ff
add r8d, eax
mov ecx, 0x100
mov eax, r9d
shl r9d, 8
shr eax, 8
and eax, 0xff00ff
sub edx, eax
mov eax, r8d
shl edx, 8
shr eax, 8
or edx, r9d
and eax, 0xff00ff
and edx, 0xff00ff00
sub ecx, eax
or ecx, r8d
and ecx, 0xff00ff
xor ecx, edx
mov dword [r10], ecx
test r15d, r15d
jle 0x18004033b
inc ebp
sub ebx, ebp
test ebx, ebx
jle 0x18004033b
cmp ebx, dword [rsi + 0x80]
jle 0x180040170
movsxd rdi, ebx
mov qword [rsi + 0x80], rdi
mov rcx, qword [rsi + 0x78]
call fcn.180124068
lea rcx, [rdi*4]
test rcx, rcx
jne 0x180040167
xor eax, eax
jmp 0x18004016c
call fcn.180124500
mov qword [rsi + 0x78], rax
mov rdi, qword [rsi + 0x78]
mov r9d, ebx
mov rdx, rdi
mov r8d, ebp
mov rcx, rsi
call fcn.180053b50
mov rax, qword [rsi + 0x48]
mov r11d, r15d
imul r11d, dword [rsi + 0x58]
movsxd rcx, dword [rax + 0x18]
mov eax, ecx
imul eax, ebp
sar r11d, 8
movsxd r10, eax
add r10, qword [rsi + 0x70]
cmp r11d, 0xfe
jge 0x18004028b
mov rbp, rcx
nop word [rax + rax]
mov r9d, dword [rdi]
lea rdi, [rdi + 4]
mov edx, dword [r10]
mov r8d, r9d
shr r8d, 8
and r9d, 0xff00ff
and r8d, 0xff00ff
imul r9d, r11d
imul r8d, r11d
mov ecx, 0x100
dec ebx
shr r9d, 8
shr r8d, 8
and r9d, 0xff00ff
and r8d, 0xff00ff
mov eax, r8d
shr eax, 0x10
sub ecx, eax
mov eax, edx
shr edx, 8
and eax, 0xff00ff
imul eax, ecx
and edx, 0xff00ff
imul edx, ecx
mov ecx, 0x100
shr eax, 8
and eax, 0xff00ff
shr edx, 8
add r9d, eax
and edx, 0xff00ff
add r8d, edx
mov edx, 0x100
mov eax, r8d
shl r8d, 8
shr eax, 8
and eax, 0xff00ff
sub edx, eax
mov eax, r9d
shl edx, 8
shr eax, 8
or edx, r8d
and eax, 0xff00ff
and edx, 0xff00ff00
sub ecx, eax
or ecx, r9d
and ecx, 0xff00ff
xor ecx, edx
mov dword [r10], ecx
add r10, rbp
test ebx, ebx
jg 0x1800401c0
jmp 0x18004033b
mov r11, rcx
nop
mov edx, dword [rdi]
lea rdi, [rdi + 4]
mov r9d, edx
mov ecx, 0x100
and edx, 0xff00ff
shr r9d, 8
and r9d, 0xff00ff
dec ebx
mov eax, r9d
shr eax, 0x10
sub ecx, eax
mov eax, dword [r10]
mov r8d, eax
shr eax, 8
and eax, 0xff00ff
and r8d, 0xff00ff
imul eax, ecx
imul r8d, ecx
mov ecx, 0x100
shr eax, 8
and eax, 0xff00ff
shr r8d, 8
add r9d, eax
and r8d, 0xff00ff
add r8d, edx
mov eax, r9d
shr eax, 8
mov edx, 0x100
and eax, 0xff00ff
shl r9d, 8
sub edx, eax
mov eax, r8d
shl edx, 8
shr eax, 8
or edx, r9d
and eax, 0xff00ff
and edx, 0xff00ff00
sub ecx, eax
or ecx, r8d
and ecx, 0xff00ff
xor ecx, edx
mov dword [r10], ecx
add r10, r11
test ebx, ebx
jg 0x180040290
movzx r9d, r12b
imul r9d, r15d
sub r13d, 1
mov r10d, r12d
jns 0x18003fef0
mov r15d, dword [rsp + 0x90]
mov rbp, qword [rsp + 0x80]
mov eax, r9d
cdq
movzx edx, dl
add eax, edx
sar eax, 8
mov ebx, eax
test eax, eax
jle 0x18004054e
mov eax, r10d
mov r9d, 1
cdq
mov rcx, rsi
movzx edi, dl
add edi, eax
sar edi, 8
mov r8d, edi
cmp ebx, 0xff
jl 0x180040477
lea rdx, [rsp + 0x24]
call fcn.180053b50
mov rcx, qword [rsi + 0x48]
mov edx, 0x100
mov r10d, dword [rsp + 0x24]
mov r9d, r10d
shr r9d, 8
and r10d, 0xff00ff
imul r10d, dword [rsi + 0x58]
and r9d, 0xff00ff
imul edi, dword [rcx + 0x18]
mov ecx, 0x100
imul r9d, dword [rsi + 0x58]
shr r10d, 8
and r10d, 0xff00ff
movsxd r11, edi
add r11, qword [rsi + 0x70]
shr r9d, 8
and r9d, 0xff00ff
mov eax, r9d
mov r8d, dword [r11]
shr eax, 0x10
sub edx, eax
mov eax, r8d
and eax, 0xff00ff
shr r8d, 8
imul eax, edx
and r8d, 0xff00ff
imul r8d, edx
mov edx, 0x100
shr eax, 8
and eax, 0xff00ff
shr r8d, 8
add r10d, eax
and r8d, 0xff00ff
add r9d, r8d
mov eax, r9d
shl r9d, 8
shr eax, 8
and eax, 0xff00ff
sub edx, eax
mov eax, r10d
shl edx, 8
shr eax, 8
or edx, r9d
and eax, 0xff00ff
and edx, 0xff00ff00
sub ecx, eax
or ecx, r10d
and ecx, 0xff00ff
xor ecx, edx
mov dword [r11], ecx
jmp 0x18004054e
lea rdx, [rsp + 0x28]
call fcn.180053b50
imul ebx, dword [rsi + 0x58]
mov ecx, 0x100
mov rax, qword [rsi + 0x48]
mov r9d, dword [rsp + 0x28]
mov r8d, r9d
shr r8d, 8
and r9d, 0xff00ff
and r8d, 0xff00ff
imul edi, dword [rax + 0x18]
shr ebx, 8
imul r8d, ebx
imul r9d, ebx
movsxd r10, edi
add r10, qword [rsi + 0x70]
shr r8d, 8
and r8d, 0xff00ff
shr r9d, 8
mov eax, r8d
and r9d, 0xff00ff
mov edx, dword [r10]
shr eax, 0x10
sub ecx, eax
mov eax, edx
shr edx, 8
and eax, 0xff00ff
imul eax, ecx
and edx, 0xff00ff
imul edx, ecx
mov ecx, 0x100
shr eax, 8
and eax, 0xff00ff
shr edx, 8
add r9d, eax
and edx, 0xff00ff
add r8d, edx
mov edx, 0x100
mov eax, r8d
shl r8d, 8
shr eax, 8
and eax, 0xff00ff
sub edx, eax
mov eax, r9d
shl edx, 8
shr eax, 8
or edx, r8d
and eax, 0xff00ff
and edx, 0xff00ff00
sub ecx, eax
or ecx, r9d
and ecx, 0xff00ff
xor ecx, edx
mov dword [r10], ecx
mov rcx, qword [rsp + 0x30]
inc r15d
mov dword [rsp + 0x90], r15d
cmp r15d, dword [rbp + 0x14]
jl 0x18003fe91
mov r14, qword [rsp + 0x40]
mov r13, qword [rsp + 0x48]
mov r12, qword [rsp + 0x50]
mov rdi, qword [rsp + 0x58]
mov rbx, qword [rsp + 0x88]
add rsp, 0x60
pop r15
pop rsi
pop rbp
ret