Function at 0x140030570
Capabilities:
Encode data using xor

Disassembly:
mov qword [rsp + 0x18], r8
push rbp
push r12
sub rsp, 0x18
cmp byte [rcx + 8], 0
mov r12, r8
mov rbp, rcx
je 0x140030976
movzx eax, byte [rdx + 1]
movzx r8d, byte [rdx + 7]
movzx r9d, byte [rdx + 2]
movzx r10d, byte [rdx + 3]
mov qword [rsp + 0x30], rbx
movzx ebx, byte [rdx]
mov qword [rsp + 0x38], rsi
movzx esi, byte [rdx + 8]
mov qword [rsp + 0x48], rdi
movzx edi, byte [rdx + 4]
shl ebx, 8
or ebx, eax
shl edi, 8
movzx eax, byte [rdx + 5]
or edi, eax
shl esi, 8
movzx eax, byte [rdx + 9]
or esi, eax
shl ebx, 8
movzx eax, byte [rdx + 0xd]
or ebx, r9d
shl edi, 8
shl esi, 8
shl ebx, 8
or ebx, r10d
mov qword [rsp + 0x10], r13
xor ebx, dword [rcx + 0xc]
movzx ecx, byte [rdx + 6]
movsxd r13, dword [rbp + 0x3d4]
or edi, ecx
movzx ecx, byte [rdx + 0xa]
or esi, ecx
shl edi, 8
or edi, r8d
shl esi, 8
movzx r8d, byte [rdx + 0xb]
xor edi, dword [rbp + 0x10]
or esi, r8d
movzx r8d, byte [rdx + 0xc]
xor esi, dword [rbp + 0x14]
shl r8d, 8
or r8d, eax
mov qword [rsp + 8], r14
movzx eax, byte [rdx + 0xe]
lea r14, [0x140000000]
shl r8d, 8
or r8d, eax
movzx eax, byte [rdx + 0xf]
shl r8d, 8
or r8d, eax
xor r8d, dword [rbp + 0x18]
cmp r13, 1
jle 0x1400307ac
mov qword [rsp], r15
lea r14, [rbp + 0x34]
lea r15, [r13 - 1]
lea r12, [0x140000000]
nop word [rax + rax]
movsxd r10, r8d
lea r14, [r14 + 0x20]
movsxd r8, ebx
movsxd r9, edi
mov rax, r8
sar rax, 0x18
movzx edx, al
mov rax, r9
sar rax, 0x10
movzx ecx, al
movsxd r11, esi
mov ebx, dword [r12 + rdx*4 + 0x150dd0]
mov rax, r11
sar rax, 8
xor ebx, dword [r12 + rcx*4 + 0x1509d0]
movzx ecx, al
movzx eax, r10b
xor ebx, dword [r12 + rcx*4 + 0x1505d0]
xor ebx, dword [r12 + rax*4 + 0x151ad0]
mov rax, r9
xor ebx, dword [r14 - 0x28]
sar rax, 0x18
movzx edx, al
mov rax, r11
sar rax, 0x10
movzx ecx, al
mov rax, r10
sar rax, 8
mov edi, dword [r12 + rdx*4 + 0x150dd0]
xor edi, dword [r12 + rcx*4 + 0x1509d0]
movzx ecx, al
movzx eax, r8b
xor edi, dword [r12 + rcx*4 + 0x1505d0]
xor edi, dword [r12 + rax*4 + 0x151ad0]
mov rax, r8
xor edi, dword [r14 - 0x24]
sar rax, 8
movzx edx, al
mov rax, r11
sar rax, 0x18
movzx ecx, al
mov rax, r10
sar r8, 0x10
mov esi, dword [r12 + rdx*4 + 0x1505d0]
sar rax, 0x10
xor esi, dword [r12 + rcx*4 + 0x150dd0]
movzx ecx, al
movzx eax, r9b
sar r9, 8
sar r10, 0x18
xor esi, dword [r12 + rcx*4 + 0x1509d0]
xor esi, dword [r12 + rax*4 + 0x151ad0]
xor esi, dword [r14 - 0x20]
movzx ecx, r8b
movzx eax, r9b
mov r8d, dword [r12 + rcx*4 + 0x1509d0]
xor r8d, dword [r12 + rax*4 + 0x1505d0]
movzx eax, r10b
xor r8d, dword [r12 + rax*4 + 0x150dd0]
movzx eax, r11b
xor r8d, dword [r12 + rax*4 + 0x151ad0]
xor r8d, dword [r14 - 0x1c]
sub r15, 1
jne 0x140030670
mov r15, qword [rsp]
lea r14, [0x140000000]
mov r12, qword [rsp + 0x40]
shl r13, 5
movsxd r11, ebx
movsxd r10, edi
mov rax, r11
sar rax, 0x18
mov edx, dword [rbp + r13 + 0xc]
movzx ecx, al
mov eax, edx
sar eax, 0x18
movsxd r9, esi
movsxd r8, r8d
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12], al
mov rax, r10
sar rax, 0x10
movzx ecx, al
mov eax, edx
sar eax, 0x10
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 1], al
mov rax, r9
sar rax, 8
movzx ecx, al
mov eax, edx
sar eax, 8
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 2], al
movzx eax, r8b
xor dl, byte [rax + r14 + 0x1515d0]
mov rax, r10
sar rax, 0x18
movzx ecx, al
mov byte [r12 + 3], dl
mov edx, dword [rbp + r13 + 0x10]
mov eax, edx
sar eax, 0x18
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 4], al
mov rax, r9
sar rax, 0x10
movzx ecx, al
mov eax, edx
sar eax, 0x10
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 5], al
mov rax, r8
sar rax, 8
movzx ecx, al
mov eax, edx
sar eax, 8
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 6], al
movzx eax, r11b
xor dl, byte [rax + r14 + 0x1515d0]
mov rax, r9
sar rax, 0x18
movzx ecx, al
mov byte [r12 + 7], dl
mov edx, dword [rbp + r13 + 0x14]
mov eax, edx
sar eax, 0x18
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 8], al
mov rax, r8
sar rax, 0x10
movzx ecx, al
mov eax, edx
sar eax, 0x10
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 9], al
mov rax, r11
sar rax, 8
movzx ecx, al
mov eax, edx
sar eax, 8
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 0xa], al
movzx eax, r10b
xor dl, byte [rax + r14 + 0x1515d0]
mov byte [r12 + 0xb], dl
mov edx, dword [rbp + r13 + 0x18]
mov r13, qword [rsp + 0x10]
mov eax, edx
mov rdi, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x38]
mov rbx, qword [rsp + 0x30]
sar eax, 0x18
sar r8, 0x18
movzx ecx, r8b
sar r11, 0x10
sar r10, 8
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 0xc], al
mov eax, edx
sar eax, 0x10
movzx ecx, r11b
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 0xd], al
mov eax, edx
sar eax, 8
movzx ecx, r10b
xor al, byte [rcx + r14 + 0x1515d0]
mov byte [r12 + 0xe], al
movzx eax, r9b
xor dl, byte [rax + r14 + 0x1515d0]
mov r14, qword [rsp + 8]
mov byte [r12 + 0xf], dl
add rsp, 0x18
pop r12
pop rbp
ret