Function at 0x54b060
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x134
call fcn.005ae090
mov eax, dword [0x665ec0]
xor eax, esp
mov dword [esp + 0x130], eax
mov eax, dword [esp + 0x148]
mov ecx, dword [esp + 0x13c]
push ebx
mov ebx, dword [esp + 0x13c]
push ebp
push esi
mov esi, dword [esp + 0x14c]
xor ebp, ebp
push edi
mov edi, dword [esp + 0x154]
mov dword [esp + 0x14], eax
mov eax, dword [ebx]
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], ebp
test edi, edi
je 0x54b0cb
cmp edi, eax
je 0x54b0c7
test ecx, ecx
je 0x54b34b
test esi, esi
js 0x54b34b
mov dword [ebx], edi
jmp 0x54b0d5
test eax, eax
je 0x54b34b
mov edi, eax
push edi
call fcn.00463880
add esp, 4
test al, 2
jne 0x54b34b
cmp dword [esp + 0x10], ebp
je 0x54b308
push edi
mov dword [esp + 0x20], 1
call fcn.00463de0
add esp, 4
cmp eax, 0x90
jg 0x54b34b
test eax, eax
js 0x54b34b
cmp eax, esi
jge 0x54b16b
push dword [esp + 0x14]
push edi
push dword [ebx + 4]
call fcn.00478650
add esp, 0xc
test eax, eax
je 0x54b34b
push esi
push dword [esp + 0x14]
push dword [ebx + 4]
call fcn.00478690
add esp, 0xc
test eax, eax
je 0x54b34b
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x24]
push eax
push dword [ebx + 4]
call fcn.00478460
add esp, 0xc
test eax, eax
je 0x54b34b
mov esi, dword [esp + 0x18]
jmp 0x54b18d
cmp esi, 0x90
ja 0x54b34b
push esi
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
call fcn.005af570
add esp, 0xc
mov dword [esp + 0x18], esi
cmp esi, 0x90
je 0x54b1ae
mov eax, 0x90
sub eax, esi
push eax
lea eax, [esp + 0x24]
add eax, esi
push 0
push eax
call fcn.005afaf0
add esp, 0xc
movaps xmm1, xmmword [str.6666666666666666jjjjjjjjjjjjjjjj_]
xor ecx, ecx
nop word [eax + eax]
movups xmm0, xmmword [esp + ecx + 0x20]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xb0], xmm0
movups xmm0, xmmword [esp + ecx + 0x30]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xc0], xmm0
movups xmm0, xmmword [esp + ecx + 0x40]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xd0], xmm0
movups xmm0, xmmword [esp + ecx + 0x50]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xe0], xmm0
add ecx, 0x40
cmp ecx, 0x80
jl 0x54b1c0
cmp ecx, 0x90
jge 0x54b229
mov al, byte [esp + ecx + 0x20]
xor al, 0x36
mov byte [esp + ecx + 0xb0], al
inc ecx
cmp ecx, 0x90
jl 0x54b213
mov esi, dword [esp + 0x14]
push esi
push edi
push dword [ebx + 8]
call fcn.00478650
add esp, 0xc
test eax, eax
je 0x54b323
push edi
call fcn.00463de0
push eax
lea eax, [esp + 0xb8]
push eax
push dword [ebx + 8]
call fcn.00478690
add esp, 0x10
test eax, eax
je 0x54b323
movaps xmm1, xmmword [str.pem_read_bio_key_decoder]
xor ecx, ecx
nop dword [eax]
movups xmm0, xmmword [esp + ecx + 0x20]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xb0], xmm0
movups xmm0, xmmword [esp + ecx + 0x30]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xc0], xmm0
movups xmm0, xmmword [esp + ecx + 0x40]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xd0], xmm0
movups xmm0, xmmword [esp + ecx + 0x50]
xorps xmm0, xmm1
movups xmmword [esp + ecx + 0xe0], xmm0
add ecx, 0x40
cmp ecx, 0x80
jl 0x54b270
cmp ecx, 0x90
jge 0x54b2d9
mov al, byte [esp + ecx + 0x20]
xor al, 0x5c
mov byte [esp + ecx + 0xb0], al
inc ecx
cmp ecx, 0x90
jl 0x54b2c3
push esi
push edi
push dword [ebx + 0xc]
call fcn.00478650
add esp, 0xc
test eax, eax
je 0x54b323
push edi
call fcn.00463de0
push eax
lea eax, [esp + 0xb8]
push eax
push dword [ebx + 0xc]
call fcn.00478690
add esp, 0x10
test eax, eax
je 0x54b323
push dword [ebx + 8]
push dword [ebx + 4]
call fcn.004787d0
add esp, 8
neg eax
sbb ebp, ebp
neg ebp
cmp dword [esp + 0x1c], 0
je 0x54b347
lea eax, [esp + 0x20]
push 0x90
push eax
call fcn.00401320
lea eax, [esp + 0xb8]
push 0x90
push eax
call fcn.00401320
add esp, 0x10
mov eax, ebp
jmp 0x54b34d
xor eax, eax
mov ecx, dword [esp + 0x140]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005ae073
add esp, 0x134
ret