Function at 0x7ff621fd1090
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
mov qword [rsp + 0x20], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x50
mov rsi, r8
mov qword [rsp + 0x38], rdx
mov r13, rcx
mov qword [rsp + 0x30], rcx
mov rbx, qword [r8 + 0x10]
mov rdx, r8
mov r15, qword [r8 + 0x18]
cmp r15, 0xf
jbe 0x7ff621fd10c8
mov rdx, qword [r8]
movabs rbp, 0xcbf29ce484222325
xor ecx, ecx
test rbx, rbx
je 0x7ff621fd1103
movabs r8, 0x100000001b3
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rdx + rcx]
xor rbp, rax
imul rbp, r8
inc rcx
cmp rcx, rbx
jb 0x7ff621fd10f0
mov rax, qword [r13 + 0x30]
and rax, rbp
add rax, rax
mov r14, qword [r13 + 0x18]
mov rdi, qword [r14 + rax*8 + 8]
mov r12, qword [r13 + 8]
cmp rdi, r12
jne 0x7ff621fd1127
mov rdi, r12
mov r14, r12
jmp 0x7ff621fd1181
mov r14, qword [r14 + rax*8]
nop dword [rax + rax]
lea rdx, [rdi + 0x10]
mov rax, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0xf
jbe 0x7ff621fd1142
mov rdx, qword [rdx]
mov rcx, rsi
cmp r15, 0xf
jbe 0x7ff621fd114e
mov rcx, qword [rsi]
cmp rbx, rax
jne 0x7ff621fd115f
mov r8, rbx
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
je 0x7ff621fd116a
cmp rdi, r14
je 0x7ff621fd117b
mov rdi, qword [rdi + 8]
jmp 0x7ff621fd1130
mov rax, qword [rsp + 0x38]
mov qword [rax], rdi
mov byte [rax + 8], 0
jmp 0x7ff621fd13b3
mov r12, rdi
mov r14, rdi
movabs rax, 0x333333333333333
cmp qword [r13 + 0x10], rax
jne 0x7ff621fd119f
lea rcx, [0x7ff621fea088]
call qword [sym.imp.msvcp140.dll_void___cdecl_std::_Xlength_error_char_const____ptr64_]
int3
lea rax, [r13 + 8]
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x48], 0
mov ecx, 0x50
call fcn.7ff621fe2c68
mov r15, rax
mov qword [rsp + 0x48], rax
lea rbx, [rax + 0x10]
mov qword [rsp + 0x20], rbx
mov rdx, rsi
mov rcx, rbx
call fcn.7ff621fc5060
nop
lea rcx, [rbx + 0x20]
lea rdx, [rsi + 0x20]
call fcn.7ff621fc5060
nop
mov rcx, qword [r13 + 0x10]
movss xmm3, dword [r13]
add rcx, 1
xorps xmm0, xmm0
js 0x7ff621fd1200
cvtsi2ss xmm0, rcx
jmp 0x7ff621fd1215
mov rax, rcx
shr rax, 1
and ecx, 1
or rax, rcx
cvtsi2ss xmm0, rax
addss xmm0, xmm0
mov rbx, qword [r13 + 0x38]
xorps xmm2, xmm2
test rbx, rbx
js 0x7ff621fd1228
cvtsi2ss xmm2, rbx
jmp 0x7ff621fd1240
mov rcx, rbx
shr rcx, 1
mov rax, rbx
and eax, 1
or rcx, rax
cvtsi2ss xmm2, rcx
addss xmm2, xmm2
movaps xmm1, xmm0
divss xmm1, xmm2
comiss xmm1, xmm3
jbe 0x7ff621fd135c
divss xmm0, xmm3
call sub.ucrtbase.dll_ceilf
xor ecx, ecx
movss xmm1, dword [0x7ff621feb1a0]
comiss xmm0, xmm1
jb 0x7ff621fd127e
subss xmm0, xmm1
comiss xmm0, xmm1
jae 0x7ff621fd127e
movabs rax, 0x8000000000000000
mov rcx, rax
cvttss2si rax, xmm0
add rax, rcx
mov ecx, 8
cmp rax, rcx
cmova rcx, rax
cmp rbx, rcx
jae 0x7ff621fd12b0
cmp rbx, 0x200
jae 0x7ff621fd12ad
lea rbx, [rbx*8]
cmp rbx, rcx
jae 0x7ff621fd12b0
mov rbx, rcx
mov rdx, rbx
mov rcx, r13
call fcn.7ff621fd5240
mov rax, qword [r13 + 0x30]
and rax, rbp
add rax, rax
mov r12, qword [r13 + 0x18]
mov rbx, qword [r12 + rax*8 + 8]
mov rdi, qword [r13 + 8]
cmp rbx, rdi
jne 0x7ff621fd12e1
mov qword [rsp + 0x20], rdi
mov r14, rdi
jmp 0x7ff621fd134e
mov r12, qword [r12 + rax*8]
mov r13, qword [r15 + 0x28]
mov r14, qword [r15 + 0x20]
nop dword [rax]
mov rdi, rbx
lea rdx, [rbx + 0x10]
mov rax, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0xf
jbe 0x7ff621fd1305
mov rdx, qword [rdx]
lea rcx, [r15 + 0x10]
cmp r13, 0xf
jbe 0x7ff621fd1313
mov rcx, qword [r15 + 0x10]
cmp r14, rax
jne 0x7ff621fd1324
mov r8, r14
call sub.VCRUNTIME140.dll_memcmp
test eax, eax
je 0x7ff621fd132f
cmp rbx, r12
je 0x7ff621fd1341
mov rbx, qword [rbx + 8]
jmp 0x7ff621fd12f0
mov rdi, qword [rbx]
mov qword [rsp + 0x20], rdi
mov r14, rdi
mov r13, qword [rsp + 0x30]
jmp 0x7ff621fd1357
mov qword [rsp + 0x20], rbx
mov r14, rbx
mov r13, qword [rsp + 0x30]
mov qword [rsp + 0x28], 0
mov r12, qword [rsp + 0x20]
mov rdx, qword [rdi + 8]
inc qword [r13 + 0x10]
mov qword [r15], r12
mov qword [r15 + 8], rdx
mov qword [rdx], r15
mov qword [rdi + 8], r15
mov rcx, qword [r13 + 0x18]
mov rax, qword [r13 + 0x30]
and rax, rbp
add rax, rax
mov r8, qword [rcx + rax*8]
cmp r8, qword [r13 + 8]
jne 0x7ff621fd1390
mov qword [rcx + rax*8], r15
jmp 0x7ff621fd13a2
cmp r8, r14
jne 0x7ff621fd139b
mov qword [rcx + rax*8], r15
jmp 0x7ff621fd13a7
cmp qword [rcx + rax*8 + 8], rdx
jne 0x7ff621fd13a7
mov qword [rcx + rax*8 + 8], r15
mov rax, qword [rsp + 0x38]
mov qword [rax], r15
mov byte [rax + 8], 1
mov rbx, qword [rsp + 0xa8]
add rsp, 0x50
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret