Function at 0x1801e8050
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
mov qword [rsp + 8], rcx
push rbx
push r13
sub rsp, 0x48
movabs rax, 0xfffffffffffffff
mov r13, rcx
bsr rcx, rax
mov ebx, 1
mov eax, ebx
shl rax, cl
cmp rdx, rax
ja 0x1801e82b8
mov qword [rsp + 0x78], rbp
lea rax, [rdx - 1]
mov rbp, qword [r13 + 8]
or rax, rbx
bsr rcx, rax
mov qword [rsp + 0x40], rsi
mov r8, rbp
inc ecx
mov qword [rsp + 0x38], rdi
shl rbx, cl
mov qword [rsp + 0x30], r12
lea r12, [r13 + 0x18]
mov rcx, r12
mov qword [rsp + 0x68], r12
lea rdx, [rbx + rbx]
call fcn.180177470
mov rdi, qword [r13 + 8]
lea rax, [rbx - 1]
mov qword [r13 + 0x30], rax
mov qword [r13 + 0x38], rbx
mov rdi, qword [rdi]
mov rsi, rdi
cmp rdi, rbp
je 0x1801e8276
mov qword [rsp + 0x28], r14
movabs rax, 0xcbf29ce484222325
mov qword [rsp + 0x20], r15
movabs r11, 0x100000001b3
nop dword [rax]
mov r15, qword [rdi + 0x28]
lea r8, [rdi + 0x10]
mov rsi, qword [rsi]
cmp r15, 0xf
jbe 0x1801e8115
mov r8, qword [rdi + 0x10]
mov r9, qword [rdi + 0x20]
xor ecx, ecx
mov rdx, rax
mov r10, r15
test r9, r9
je 0x1801e8144
nop word [rax + rax]
movzx eax, byte [r8 + rcx]
inc rcx
xor rdx, rax
imul rdx, r11
cmp rcx, r9
jb 0x1801e8130
mov rcx, qword [r13 + 0x30]
mov rax, qword [r12]
and rcx, rdx
shl rcx, 4
add rax, rcx
mov qword [rsp + 0x70], rax
mov r13, qword [rax]
cmp r13, rbp
jne 0x1801e816f
mov qword [rax], rdi
mov qword [rax + 8], rdi
jmp 0x1801e8251
mov rbx, qword [rax + 8]
cmp qword [rbx + 0x28], 0xf
lea rdx, [rbx + 0x10]
jbe 0x1801e8182
mov rdx, qword [rbx + 0x10]
lea rcx, [rdi + 0x10]
cmp r15, 0xf
jbe 0x1801e8193
mov rcx, qword [rdi + 0x10]
mov r15, r10
mov r12, r9
cmp r9, qword [rbx + 0x20]
jne 0x1801e81dc
mov r8, r9
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
jne 0x1801e81dc
mov r8, qword [rbx]
cmp r8, rdi
je 0x1801e81d1
mov rdx, qword [rdi + 8]
mov qword [rdx], rsi
mov rcx, qword [rsi + 8]
mov qword [rcx], r8
mov rax, qword [r8 + 8]
mov qword [rax], rdi
mov qword [r8 + 8], rcx
mov qword [rsi + 8], rdx
mov qword [rdi + 8], rax
mov rax, qword [rsp + 0x70]
mov qword [rax + 8], rdi
jmp 0x1801e8242
cmp r13, rbx
je 0x1801e8219
mov rbx, qword [rbx + 8]
cmp qword [rbx + 0x28], 0xf
lea rdx, [rbx + 0x10]
jbe 0x1801e81f4
mov rdx, qword [rbx + 0x10]
lea rcx, [rdi + 0x10]
cmp r15, 0xf
jbe 0x1801e8202
mov rcx, qword [rdi + 0x10]
cmp r12, qword [rbx + 0x20]
jne 0x1801e8214
mov r8, r12
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
je 0x1801e8292
cmp r13, rbx
jne 0x1801e81e1
mov rdx, qword [rdi + 8]
mov qword [rdx], rsi
mov rcx, qword [rsi + 8]
mov qword [rcx], rbx
mov rax, qword [rbx + 8]
mov qword [rax], rdi
mov qword [rbx + 8], rcx
mov qword [rsi + 8], rdx
mov qword [rdi + 8], rax
mov rax, qword [rsp + 0x70]
mov qword [rax], rdi
mov r12, qword [rsp + 0x68]
movabs r11, 0x100000001b3
mov r13, qword [rsp + 0x60]
mov rdi, rsi
movabs rax, 0xcbf29ce484222325
cmp rsi, rbp
jne 0x1801e8100
mov r15, qword [rsp + 0x20]
mov r14, qword [rsp + 0x28]
mov rdi, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x40]
mov rbp, qword [rsp + 0x78]
mov r12, qword [rsp + 0x30]
add rsp, 0x48
pop r13
pop rbx
ret
mov r8, qword [rbx]
mov rdx, qword [rdi + 8]
mov qword [rdx], rsi
mov rcx, qword [rsi + 8]
mov qword [rcx], r8
mov rax, qword [r8 + 8]
mov qword [rax], rdi
mov qword [r8 + 8], rcx
mov qword [rsi + 8], rdx
mov qword [rdi + 8], rax
jmp 0x1801e8242
lea rcx, str.invalid_hash_bucket_count
call sub.MSVCP140.dll_void___cdecl_std::_Xlength_error_char_const____ptr64_
int3