Function at 0x140021840
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
mov qword [rsp + 8], rcx
push rbx
push rbp
sub rsp, 0x48
movabs rax, 0xfffffffffffffff
mov rbp, rcx
bsr rcx, rax
mov ebx, 1
mov eax, ebx
shl rax, cl
cmp rdx, rax
jbe 0x140021879
lea rcx, str.invalid_hash_bucket_count
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Xlength_error_char_const____ptr64_]
int3
lea rax, [rdx - 1]
mov qword [rsp + 0x70], rsi
or rax, rbx
mov qword [rsp + 0x40], rdi
mov rdi, qword [rbp + 8]
bsr rcx, rax
mov qword [rsp + 0x38], r12
mov r8, rdi
inc ecx
mov qword [rsp + 0x68], rdi
shl rbx, cl
lea r12, [rbp + 0x18]
mov rcx, r12
lea rdx, [rbx + rbx]
call fcn.140019e40
mov qword [rbp + 0x38], rbx
lea rax, [rbx - 1]
mov qword [rbp + 0x30], rax
mov rsi, qword [rbp + 8]
mov rsi, qword [rsi]
cmp rsi, rdi
je 0x140021a79
mov qword [rsp + 0x30], r13
mov rdi, rsi
mov qword [rsp + 0x28], r14
movabs rax, 0xcbf29ce484222325
mov qword [rsp + 0x20], r15
movabs rbx, 0x100000001b3
nop word [rax + rax]
mov r15, qword [rdi + 0x28]
lea r9, [rdi + 0x10]
mov rsi, qword [rsi]
mov r8, qword [rdi + 0x20]
cmp r15, 0xf
jbe 0x140021919
mov r9, qword [rdi + 0x10]
xor ecx, ecx
mov rdx, rax
mov r10, r8
mov r11, r15
test r8, r8
je 0x140021944
nop dword [rax]
movzx eax, byte [r9 + rcx]
inc rcx
xor rdx, rax
imul rdx, rbx
cmp rcx, r8
jb 0x140021930
mov r13, qword [rbp + 0x30]
and r13, rdx
shl r13, 4
add r13, qword [r12]
mov r12, qword [r13]
cmp r12, qword [rsp + 0x68]
jne 0x14002196b
mov qword [r13], rdi
mov qword [r13 + 8], rdi
jmp 0x140021a4e
mov rbx, qword [r13 + 8]
cmp qword [rbx + 0x28], 0xf
lea rdx, [rbx + 0x10]
mov rax, qword [rdx + 0x10]
jbe 0x140021981
mov rdx, qword [rdx]
lea rcx, [rdi + 0x10]
mov rbp, r8
cmp r15, 0xf
jbe 0x140021998
mov rcx, qword [rdi + 0x10]
mov rbp, r10
mov r15, r11
cmp r8, rax
jne 0x1400219d5
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
jne 0x1400219d5
mov r8, qword [rbx]
cmp r8, rdi
je 0x1400219cf
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 qword [r13 + 8], rdi
jmp 0x140021a3f
cmp r12, rbx
je 0x140021a1a
nop word [rax + rax]
mov rbx, qword [rbx + 8]
cmp qword [rbx + 0x28], 0xf
lea rdx, [rbx + 0x10]
mov rax, qword [rdx + 0x10]
jbe 0x1400219f6
mov rdx, qword [rdx]
lea rcx, [rdi + 0x10]
cmp r15, 0xf
jbe 0x140021a04
mov rcx, qword [rdi + 0x10]
cmp rbp, rax
jne 0x140021a15
mov r8, rbp
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
je 0x140021a8f
cmp r12, rbx
jne 0x1400219e0
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 qword [r13], rdi
mov rbp, qword [rsp + 0x60]
movabs rbx, 0x100000001b3
lea r12, [rbp + 0x18]
mov rdi, rsi
movabs rax, 0xcbf29ce484222325
cmp rsi, qword [rsp + 0x68]
jne 0x140021900
mov r15, qword [rsp + 0x20]
mov r14, qword [rsp + 0x28]
mov r13, qword [rsp + 0x30]
mov rdi, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x70]
mov r12, qword [rsp + 0x38]
add rsp, 0x48
pop rbp
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 0x140021a3f