Function at 0x51b2a0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.0040c2f0
mov eax, dword [esp + 0x40]
mov ecx, dword [esp + 0x3c]
mov edx, ecx
push ebx
push ebp
xor ebx, ebx
xor ebp, ebp
test eax, eax
push ecx
cmovne edx, eax
mov dword [esp + 0x1c], edx
call fcn.004b6940
add esp, 4
mov dword [esp + 8], eax
test eax, eax
js 0x51b587
push edi
mov edi, dword [esp + 0x50]
cmp edi, 0xffffffff
jne 0x51b320
mov edi, eax
push esi
mov esi, dword [esp + 0x40]
push dword [esi + 0x10]
call fcn.0049c490
dec eax
and eax, 7
push esi
mov dword [esp + 0x20], eax
call fcn.004a1280
add esp, 8
mov edx, eax
mov dword [esp + 0x1c], edx
cmp dword [esp + 0x18], ebx
jne 0x51b350
mov ecx, dword [esp + 0x44]
mov byte [ecx], bl
inc ecx
dec edx
mov dword [esp + 0x50], ecx
mov dword [esp + 0x1c], edx
jmp 0x51b358
cmp edi, 0xfffffffe
jne 0x51b327
jmp 0x51b2e4
jge 0x51b2e4
push 0xdb
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.004a6d60
add esp, 0x14
mov eax, ebx
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov eax, dword [esp + 0x44]
mov dword [esp + 0x50], eax
mov ecx, dword [esp + 0x10]
lea eax, [ecx + 2]
cmp edx, eax
jge 0x51b388
push 0xe7
push str..crypto_rsa_rsa_pss.c
push 0x6e
push 0x94
push 4
call fcn.004a6d60
add esp, 0x14
mov eax, ebx
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
mov esi, edx
sub esi, ecx
cmp edi, 0xfffffffe
jne 0x51b3d6
lea edi, [esi - 2]
test edi, edi
jle 0x51b3fd
push 0xf2
push str..crypto_rsa_rsa_pss.c
push edi
call fcn.00499590
mov ebp, eax
add esp, 0xc
test ebp, ebp
jne 0x51b3eb
push 0xf5
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.004a6d60
add esp, 0x14
mov eax, ebx
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x2c
ret
lea eax, [esi - 2]
cmp edi, eax
jle 0x51b394
push 0xee
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x51b3bd
push edi
push ebp
call fcn.004a3ec0
add esp, 8
test eax, eax
jle 0x51b578
mov eax, dword [esp + 0x50]
lea ecx, [esi - 1]
add eax, ecx
mov dword [esp + 0x14], eax
lea eax, [esp + 0x24]
push eax
call fcn.004a0340
push 0
push dword [esp + 0x54]
lea eax, [esp + 0x30]
push eax
call fcn.0049ff20
add esp, 0x10
test eax, eax
je 0x51b578
push 8
lea eax, [esp + 0x28]
push 0x589898
push eax
call fcn.004a00d0
add esp, 0xc
test eax, eax
je 0x51b578
push dword [esp + 0x10]
lea eax, [esp + 0x28]
push dword [esp + 0x4c]
push eax
call fcn.004a00d0
add esp, 0xc
test eax, eax
je 0x51b578
test edi, edi
je 0x51b483
push edi
lea eax, [esp + 0x28]
push ebp
push eax
call fcn.004a00d0
add esp, 0xc
test eax, eax
je 0x51b578
push 0
push dword [esp + 0x18]
lea eax, [esp + 0x2c]
push eax
call fcn.0049fe80
add esp, 0xc
test eax, eax
je 0x51b578
lea eax, [esp + 0x24]
push eax
call fcn.004a00e0
push dword [esp + 0x24]
lea eax, [esi - 1]
push dword [esp + 0x18]
push dword [esp + 0x20]
push eax
push dword [esp + 0x64]
call fcn.0050a8f0
add esp, 0x18
test eax, eax
jne 0x51b578
mov edx, dword [esp + 0x50]
sub esi, edi
xor byte [esi + edx - 2], 1
lea ecx, [esi + edx]
dec ecx
test edi, edi
jle 0x51b552
xor edx, edx
cmp edi, 0x20
jb 0x51b539
lea eax, [ebp - 1]
lea esi, [ecx - 1]
add eax, edi
add esi, edi
cmp ecx, eax
ja 0x51b4f8
cmp esi, ebp
jae 0x51b539
mov eax, edi
and eax, 0x8000001f
jns 0x51b506
dec eax
or eax, 0xffffffe0
inc eax
mov esi, edi
sub esi, eax
nop word [eax + eax]
movups xmm0, xmmword [ecx]
movups xmm1, xmmword [edx + ebp]
pxor xmm1, xmm0
movups xmmword [ecx], xmm1
movups xmm1, xmmword [edx + ebp + 0x10]
add edx, 0x20
movups xmm0, xmmword [ecx + 0x10]
pxor xmm1, xmm0
movups xmmword [ecx + 0x10], xmm1
add ecx, 0x20
cmp edx, esi
jl 0x51b510
cmp edx, edi
jge 0x51b54e
nop dword [eax]
mov al, byte [edx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
inc edx
cmp edx, edi
jl 0x51b540
mov edx, dword [esp + 0x50]
mov eax, dword [esp + 0x18]
test eax, eax
je 0x51b56a
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [edx], al
mov eax, dword [esp + 0x1c]
mov ebx, 1
mov byte [eax + edx - 1], 0xbc
test ebp, ebp
je 0x51b585
push ebp
call fcn.004994c0
add esp, 4
pop esi
pop edi
pop ebp
mov eax, ebx
pop ebx
add esp, 0x2c
ret