Function at 0x1800ff520
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
mov qword [rsp + 8], rcx
push rsi
push r15
sub rsp, 0x48
movabs rax, 0xfffffffffffffff
mov r15, rcx
bsr rcx, rax
mov esi, 1
mov eax, esi
shl rax, cl
cmp rdx, rax
jbe 0x1800ff55a
lea rcx, str.invalid_hash_bucket_count
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Xlength_error_char_const____ptr64_]
int3
mov qword [rsp + 0x70], rbx
lea rax, [rdx - 1]
mov rdx, qword [r15 + 0x20]
or rax, rsi
bsr rcx, rax
mov qword [rsp + 0x40], rbp
mov rbp, qword [r15 + 8]
inc ecx
shl rsi, cl
mov rcx, rdx
mov qword [rsp + 0x38], rdi
mov rdi, qword [r15 + 0x18]
sub rcx, rdi
mov qword [rsp + 0x30], r12
mov rax, rcx
lea rbx, [rsi + rsi]
sar rax, 3
cmp rax, rbx
jae 0x1800ff675
movabs rax, 0x1fffffffffffffff
cmp rbx, rax
ja 0x1800ff888
lea rbx, [rbx*8]
xor r12d, r12d
test rbx, rbx
jne 0x1800ff5cc
mov edi, r12d
jmp 0x1800ff609
cmp rbx, 0x1000
jb 0x1800ff5fe
lea rcx, [rbx + 0x27]
cmp rcx, rbx
jbe 0x1800ff888
call fcn.1801d1d28
test rax, rax
je 0x1800ff66e
lea rdi, [rax + 0x27]
and rdi, 0xffffffffffffffe0
mov qword [rdi - 8], rax
jmp 0x1800ff609
mov rcx, rbx
call fcn.1801d1d28
mov rdi, rax
mov rcx, qword [r15 + 0x18]
mov rax, qword [r15 + 0x28]
sub rax, rcx
sar rax, 3
test rax, rax
je 0x1800ff64b
lea rdx, [rax*8]
cmp rdx, 0x1000
jb 0x1800ff646
mov r8, qword [rcx - 8]
add rdx, 0x27
sub rcx, r8
lea rax, [rcx - 8]
cmp rax, 0x1f
ja 0x1800ff66e
mov rcx, r8
call fcn.1801d1c00
lea rax, [rbx + rdi]
mov qword [r15 + 0x18], rdi
mov qword [r15 + 0x20], rax
mov qword [r15 + 0x28], rax
cmp rdi, rax
je 0x1800ff692
mov qword [rdi], rbp
add rdi, 8
cmp rdi, rax
jne 0x1800ff660
jmp 0x1800ff692
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
add rcx, 7
xor r12d, r12d
shr rcx, 3
cmp rdi, rdx
cmova rcx, r12
test rcx, rcx
je 0x1800ff692
mov rax, rbp
rep stosq qword [rdi], rax
mov qword [r15 + 0x38], rsi
lea rax, [rsi - 1]
mov qword [r15 + 0x30], rax
mov rbx, qword [r15 + 8]
mov rbx, qword [rbx]
mov rsi, rbx
cmp rbx, rbp
je 0x1800ff846
mov qword [rsp + 0x28], r13
movabs rax, 0xcbf29ce484222325
mov qword [rsp + 0x20], r14
movabs r13, 0x100000001b3
nop
mov r11, qword [rbx + 0x28]
lea rdi, [rbx + 0x10]
mov r8, qword [rbx + 0x20]
mov r10, r11
mov rsi, qword [rsi]
mov r9, r8
mov qword [rsp + 0x68], r11
cmp r11, 0xf
jbe 0x1800ff6f4
mov rdi, qword [rbx + 0x10]
mov rdx, rax
mov rcx, r12
test r8, r8
je 0x1800ff719
nop
movzx eax, byte [rdi + rcx]
inc rcx
xor rdx, rax
imul rdx, r13
cmp rcx, r8
jb 0x1800ff700
mov r9, r8
mov r10, r11
mov r13, qword [r15 + 0x30]
and r13, rdx
shl r13, 4
add r13, qword [r15 + 0x18]
mov r12, qword [r13]
cmp r12, rbp
jne 0x1800ff73e
mov qword [r13], rbx
mov qword [r13 + 8], rbx
jmp 0x1800ff816
mov rdi, qword [r13 + 8]
cmp qword [rdi + 0x28], 0xf
lea rdx, [rdi + 0x10]
mov rax, qword [rdx + 0x10]
jbe 0x1800ff754
mov rdx, qword [rdx]
lea rcx, [rbx + 0x10]
mov r15, r8
cmp r11, 0xf
jbe 0x1800ff76d
mov rcx, qword [rbx + 0x10]
mov r15, r9
mov qword [rsp + 0x68], r10
cmp r8, rax
jne 0x1800ff7aa
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
jne 0x1800ff7aa
mov rdi, qword [rdi]
cmp rdi, rbx
je 0x1800ff7a4
mov rdx, qword [rbx + 8]
mov qword [rdx], rsi
mov rcx, qword [rsi + 8]
mov qword [rcx], rdi
mov rax, qword [rdi + 8]
mov qword [rax], rbx
mov qword [rdi + 8], rcx
mov qword [rsi + 8], rdx
mov qword [rbx + 8], rax
mov qword [r13 + 8], rbx
jmp 0x1800ff811
cmp r12, rdi
je 0x1800ff7ec
nop
mov rdi, qword [rdi + 8]
cmp qword [rdi + 0x28], 0xf
lea rdx, [rdi + 0x10]
mov rax, qword [rdx + 0x10]
jbe 0x1800ff7c6
mov rdx, qword [rdx]
cmp qword [rsp + 0x68], 0xf
lea rcx, [rbx + 0x10]
jbe 0x1800ff7d6
mov rcx, qword [rbx + 0x10]
cmp r15, rax
jne 0x1800ff7e7
mov r8, r15
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
je 0x1800ff862
cmp r12, rdi
jne 0x1800ff7b0
mov rdx, qword [rbx + 8]
mov qword [rdx], rsi
mov rcx, qword [rsi + 8]
mov qword [rcx], rdi
mov rax, qword [rdi + 8]
mov qword [rax], rbx
mov qword [rdi + 8], rcx
mov qword [rsi + 8], rdx
mov qword [rbx + 8], rax
mov qword [r13], rbx
mov r15, qword [rsp + 0x60]
mov rbx, rsi
movabs rax, 0xcbf29ce484222325
mov r12d, 0
movabs r13, 0x100000001b3
cmp rsi, rbp
jne 0x1800ff6d0
mov r14, qword [rsp + 0x20]
mov r13, qword [rsp + 0x28]
mov rdi, qword [rsp + 0x38]
mov rbp, qword [rsp + 0x40]
mov rbx, qword [rsp + 0x70]
mov r12, qword [rsp + 0x30]
add rsp, 0x48
pop r15
pop rsi
ret
mov rdi, qword [rdi]
mov rdx, qword [rbx + 8]
mov qword [rdx], rsi
mov rcx, qword [rsi + 8]
mov qword [rcx], rdi
mov rax, qword [rdi + 8]
mov qword [rax], rbx
mov qword [rdi + 8], rcx
mov qword [rsi + 8], rdx
mov qword [rbx + 8], rax
jmp 0x1800ff811
call fcn.18007e4c0
int3