Function at 0x5286a0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x130
call fcn.0048c220
mov eax, dword [0x740184]
xor eax, esp
mov dword [esp + 0x12c], eax
mov eax, dword [esp + 0x144]
push ebx
mov ebx, dword [esp + 0x138]
push ebp
mov ebp, dword [esp + 0x140]
push esi
mov esi, dword [esp + 0x148]
push edi
mov edi, dword [esp + 0x150]
mov dword [esp + 0x14], eax
mov eax, dword [ebx]
mov dword [esp + 0x18], 0
test edi, edi
je 0x528709
cmp edi, eax
je 0x528705
test ebp, ebp
je 0x5289a2
test esi, esi
js 0x5289a2
mov dword [ebx], edi
jmp 0x528713
test eax, eax
je 0x5289a2
mov edi, eax
push edi
call fcn.004e47f0
add esp, 4
test al, 2
jne 0x5289a2
test ebp, ebp
je 0x528955
push edi
mov dword [esp + 0x1c], 1
call fcn.0053a940
add esp, 4
cmp eax, 0x90
jg 0x5289a2
test eax, eax
js 0x5289a2
cmp eax, esi
jge 0x5287a4
push dword [esp + 0x14]
push edi
push dword [ebx + 4]
call fcn.0053e550
add esp, 0xc
test eax, eax
je 0x5289a2
push esi
push ebp
push dword [ebx + 4]
call fcn.0053e590
add esp, 0xc
test eax, eax
je 0x5289a2
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x20]
push eax
push dword [ebx + 4]
call fcn.0053e420
add esp, 0xc
test eax, eax
je 0x5289a2
mov esi, dword [esp + 0x10]
jmp 0x5287c3
cmp esi, 0x90
ja 0x5289a2
push esi
lea eax, [esp + 0x20]
push ebp
push eax
call fcn.004a1db0
add esp, 0xc
mov dword [esp + 0x10], esi
cmp esi, 0x90
je 0x5287e4
mov eax, 0x90
sub eax, esi
push eax
lea eax, [esp + 0x20]
add eax, esi
push 0
push eax
call fcn.004a28b0
add esp, 0xc
movaps xmm1, xmmword [str.6666666666666666evp_pkey_get0_RSA_int]
xor ecx, ecx
nop dword [eax]
movups xmm0, xmmword [esp + ecx + 0x1c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xac], xmm0
movups xmm0, xmmword [esp + ecx + 0x2c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xbc], xmm0
movups xmm0, xmmword [esp + ecx + 0x3c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xcc], xmm0
movups xmm0, xmmword [esp + ecx + 0x4c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xdc], xmm0
add ecx, 0x40
cmp ecx, 0x80
jl 0x5287f0
cmp ecx, 0x90
jge 0x528866
nop word [eax + eax]
mov al, byte [esp + ecx + 0x1c]
xor al, 0x36
mov byte [esp + ecx + 0xac], al
inc ecx
cmp ecx, 0x90
jl 0x528850
mov ebp, dword [esp + 0x14]
push ebp
push edi
push dword [ebx + 8]
call fcn.0053e550
add esp, 0xc
test eax, eax
je 0x528978
push edi
call fcn.0053a940
push eax
lea eax, [esp + 0xb4]
push eax
push dword [ebx + 8]
call fcn.0053e590
add esp, 0x10
test eax, eax
je 0x528978
movaps xmm1, xmmword [0x6ad7e0]
xor ecx, ecx
nop word [eax + eax]
movups xmm0, xmmword [esp + ecx + 0x1c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xac], xmm0
movups xmm0, xmmword [esp + ecx + 0x2c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xbc], xmm0
movups xmm0, xmmword [esp + ecx + 0x3c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xcc], xmm0
movups xmm0, xmmword [esp + ecx + 0x4c]
pxor xmm0, xmm1
movups xmmword [esp + ecx + 0xdc], xmm0
add ecx, 0x40
cmp ecx, 0x80
jl 0x5288b0
cmp ecx, 0x90
jge 0x528926
nop word [eax + eax]
mov al, byte [esp + ecx + 0x1c]
xor al, 0x5c
mov byte [esp + ecx + 0xac], al
inc ecx
cmp ecx, 0x90
jl 0x528910
push ebp
push edi
push dword [ebx + 0xc]
call fcn.0053e550
add esp, 0xc
test eax, eax
je 0x528978
push edi
call fcn.0053a940
push eax
lea eax, [esp + 0xb4]
push eax
push dword [ebx + 0xc]
call fcn.0053e590
add esp, 0x10
test eax, eax
je 0x528978
push dword [ebx + 8]
push dword [ebx + 4]
call fcn.0053e690
xor ebx, ebx
add esp, 8
test eax, eax
mov ecx, 1
cmovne ebx, ecx
cmp dword [esp + 0x18], 0
je 0x52899e
jmp 0x52897a
xor ebx, ebx
lea eax, [esp + 0x1c]
push 0x90
push eax
call fcn.00401320
lea eax, [esp + 0xb4]
push 0x90
push eax
call fcn.00401320
add esp, 0x10
mov eax, ebx
jmp 0x5289a4
xor eax, eax
mov ecx, dword [esp + 0x13c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0048b49a
add esp, 0x130
ret