Function at 0x590830
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x134
call fcn.005dfc90
mov eax, dword [0x6a7d40]
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 0x59089b
cmp edi, eax
je 0x590897
test ecx, ecx
je 0x590b1b
test esi, esi
js 0x590b1b
mov dword [ebx], edi
jmp 0x5908a5
test eax, eax
je 0x590b1b
mov edi, eax
push edi
call fcn.004939b0
add esp, 4
test al, 2
jne 0x590b1b
cmp dword [esp + 0x10], ebp
je 0x590ad8
push edi
mov dword [esp + 0x20], 1
call fcn.00498300
add esp, 4
cmp eax, 0x90
jg 0x590b1b
test eax, eax
js 0x590b1b
cmp eax, esi
jge 0x59093b
push dword [esp + 0x14]
push edi
push dword [ebx + 4]
call fcn.004afb90
add esp, 0xc
test eax, eax
je 0x590b1b
push esi
push dword [esp + 0x14]
push dword [ebx + 4]
call fcn.004afbd0
add esp, 0xc
test eax, eax
je 0x590b1b
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x24]
push eax
push dword [ebx + 4]
call fcn.004afa60
add esp, 0xc
test eax, eax
je 0x590b1b
mov esi, dword [esp + 0x18]
jmp 0x59095d
cmp esi, 0x90
ja 0x590b1b
push esi
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
call fcn.005e1090
add esp, 0xc
mov dword [esp + 0x18], esi
cmp esi, 0x90
je 0x59097e
mov eax, 0x90
sub eax, esi
push eax
lea eax, [esp + 0x24]
add eax, esi
push 0
push eax
call fcn.005e1610
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 0x590990
cmp ecx, 0x90
jge 0x5909f9
mov al, byte [esp + ecx + 0x20]
xor al, 0x36
mov byte [esp + ecx + 0xb0], al
inc ecx
cmp ecx, 0x90
jl 0x5909e3
mov esi, dword [esp + 0x14]
push esi
push edi
push dword [ebx + 8]
call fcn.004afb90
add esp, 0xc
test eax, eax
je 0x590af3
push edi
call fcn.00498300
push eax
lea eax, [esp + 0xb8]
push eax
push dword [ebx + 8]
call fcn.004afbd0
add esp, 0x10
test eax, eax
je 0x590af3
movaps xmm1, xmmword [str.PEM]
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 0x590a40
cmp ecx, 0x90
jge 0x590aa9
mov al, byte [esp + ecx + 0x20]
xor al, 0x5c
mov byte [esp + ecx + 0xb0], al
inc ecx
cmp ecx, 0x90
jl 0x590a93
push esi
push edi
push dword [ebx + 0xc]
call fcn.004afb90
add esp, 0xc
test eax, eax
je 0x590af3
push edi
call fcn.00498300
push eax
lea eax, [esp + 0xb8]
push eax
push dword [ebx + 0xc]
call fcn.004afbd0
add esp, 0x10
test eax, eax
je 0x590af3
push dword [ebx + 8]
push dword [ebx + 4]
call fcn.004afcd0
add esp, 8
neg eax
sbb ebp, ebp
neg ebp
cmp dword [esp + 0x1c], 0
je 0x590b17
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 0x590b1d
xor eax, eax
mov ecx, dword [esp + 0x140]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005df387
add esp, 0x134
ret