Function at 0x56cdb0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push r15
push r14
push r13
push r12
push rbp
push rdi
push rsi
push rbx
sub rsp, 0xb8
lea r12, [rsp + 0x7f]
mov r15, rcx
mov r14, rdx
mov rbx, r8
and r12, 0xffffffffffffffc0
lea r13, [rcx + 0x80]
cmp r8, 0x40
ja 0x56cfc8
call fcn.005463d0
mov esi, 0x40
lea rbp, [r12 + rbx]
sub rsi, rbx
test rbx, rbx
je 0x56d030
cmp rbx, 0x1f
jbe 0x56d020
vmovdqu ymm0, ymmword [str.66666666666666666666666666666666_]
mov rax, rbx
vpxor ymm1, ymm0, ymmword [r14]
shr rax, 5
vmovdqu ymmword [r12], ymm1
cmp rax, 2
jne 0x56cf52
vpxor ymm0, ymm0, ymmword [r14 + 0x20]
vmovdqu ymmword [r12 + 0x20], ymm0
vzeroupper
movabs rax, 0x3636363636363636
mov edx, esi
cmp esi, 8
jae 0x56cfa8
test sil, 4
jne 0x56d0bb
test edx, edx
je 0x56ce6e
mov byte [rbp], 0x36
test dl, 2
jne 0x56d0ac
mov r8d, 0x40
mov rdx, r12
mov rcx, r15
call fcn.00546400
mov rcx, r13
call fcn.005463d0
lea rax, [rbx - 1]
cmp rax, 0x1e
jbe 0x56d091
vmovdqu ymm0, ymmword [0x006b2100]
mov rax, rbx
vpxor ymm1, ymm0, ymmword [r14]
shr rax, 5
vmovdqu ymmword [r12], ymm1
cmp rax, 2
jne 0x56cf20
vpxor ymm0, ymm0, ymmword [r14 + 0x20]
vmovdqu ymmword [r12 + 0x20], ymm0
vzeroupper
movabs rax, 0x5c5c5c5c5c5c5c5c
mov edx, esi
cmp esi, 8
jae 0x56cf88
and esi, 4
jne 0x56d098
test edx, edx
je 0x56cef4
mov byte [rbp], 0x5c
test dl, 2
jne 0x56d0cf
mov r8d, 0x40
mov rdx, r12
mov rcx, r13
call fcn.00546400
nop
add rsp, 0xb8
pop rbx
pop rsi
pop rdi
pop rbp
pop r12
pop r13
pop r14
pop r15
ret
cmp rbx, 0x20
je 0x56d0de
mov eax, 0x20
vzeroupper
nop word [rax + rax]
movzx edx, byte [r14 + rax]
inc rax
xor edx, 0x5c
mov byte [rax + r12 - 1], dl
cmp rax, rbx
jb 0x56cf38
jmp 0x56cec5
cmp rbx, 0x20
je 0x56d0e6
mov eax, 0x20
vzeroupper
nop dword [rax]
movzx edx, byte [r14 + rax]
inc rax
xor edx, 0x36
mov byte [rax + r12 - 1], dl
cmp rbx, rax
ja 0x56cf68
jmp 0x56ce3e
mov edx, esi
mov rdi, rbp
mov qword [rbp + rdx - 8], rax
lea edx, [rsi - 1]
shr edx, 3
mov ecx, edx
rep stosq qword [rdi], rax
jmp 0x56cef4
mov edx, esi
mov rdi, rbp
mov qword [rbp + rdx - 8], rax
lea edx, [rsi - 1]
shr edx, 3
mov ecx, edx
rep stosq qword [rdi], rax
jmp 0x56ce6e
call fcn.005463d0
mov r8, rbx
mov rdx, r14
mov rcx, r15
lea r14, [rsp + 0x20]
lea rbp, [r12 + 0x20]
mov esi, 0x20
mov ebx, 0x20
call fcn.00546400
mov rdx, r14
mov rcx, r15
call fcn.005465c0
mov rcx, r15
call fcn.005463d0
vmovdqu ymm0, ymmword [str.66666666666666666666666666666666_]
vpxor ymm0, ymm0, ymmword [rsp + 0x20]
vmovdqu ymmword [r12], ymm0
vzeroupper
jmp 0x56ce3e
xor eax, eax
jmp 0x56cf68
movabs rdx, 0x3636363636363636
mov r8d, 0x40
mov rcx, r15
mov rbp, r12
movabs rax, 0x3636363636363636
mov qword [r12 + 8], rdx
mov esi, 0x40
mov qword [r12 + 0x18], rdx
mov qword [r12 + 0x28], rdx
mov qword [r12 + 0x38], rdx
mov rdx, r12
mov qword [r12], rax
mov qword [r12 + 0x10], rax
mov qword [r12 + 0x20], rax
mov qword [r12 + 0x30], rax
call fcn.00546400
mov rcx, r13
call fcn.005463d0
jmp 0x56cec5
xor eax, eax
jmp 0x56cf38
mov dword [rbp], 0x5c5c5c5c
mov dword [rbp + rdx - 4], 0x5c5c5c5c
jmp 0x56cef4
mov eax, 0x3636
mov word [rbp + rdx - 2], ax
jmp 0x56ce6e
mov dword [rbp], 0x36363636
mov dword [rbp + rdx - 4], 0x36363636
jmp 0x56ce6e
mov ecx, 0x5c5c
mov word [rbp + rdx - 2], cx
jmp 0x56cef4
vzeroupper
jmp 0x56cec5
vzeroupper
jmp 0x56ce3e