Function at 0x509640
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.004fbf90
mov eax, dword [0x5f1414]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x4c]
push ebx
mov ebx, dword [esp + 0x54]
mov dword [esp + 4], eax
test ebx, ebx
je 0x509971
cmp dword [0x5fbed4], 0
push ebp
je 0x5096c5
lea eax, [esp + 0x10]
push eax
call fcn.00500a80
push 0xdf
push str..crypto_randmd_rand.c
push 0x13
push 5
call fcn.00500c60
lea eax, [esp + 0x24]
push eax
push 0x5fc304
call fcn.00500a10
neg eax
push 0xe1
push str..crypto_randmd_rand.c
sbb ebp, ebp
push 0x13
inc ebp
push 6
mov dword [esp + 0x38], ebp
call fcn.00500c60
add esp, 0x2c
test ebp, ebp
jne 0x5096e1
jmp 0x5096cb
xor ebp, ebp
mov dword [esp + 0xc], ebp
push 0xe6
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.00500c60
add esp, 0x10
mov ecx, dword [0x5fbebc]
mov eax, dword [0x5fbec0]
movups xmm0, xmmword [0x5fbedc]
push esi
push edi
mov dword [esp + 0x20], eax
mov edi, ecx
mov eax, dword [0x5fbec4]
add ecx, ebx
mov dword [esp + 0x24], eax
mov eax, dword [0x5fbeec]
mov dword [esp + 0x50], eax
mov dword [0x5fbebc], ecx
movups xmmword [esp + 0x40], xmm0
cmp ecx, 0x3ff
jl 0x50974f
mov eax, 0x7fdff7fd
mov dword [0x5fbeb8], 0x3ff
imul ecx
sub edx, ecx
sar edx, 9
mov eax, edx
shr eax, 0x1f
add eax, edx
imul eax, eax, 0x3ff
add ecx, eax
mov dword [0x5fbebc], ecx
jmp 0x509765
mov eax, dword [0x5fbeb8]
cmp eax, 0x3ff
jge 0x509765
cmp ecx, eax
cmovg eax, ecx
mov dword [0x5fbeb8], eax
mov eax, 0x66666667
mov ecx, ebx
imul ebx
sar edx, 3
mov esi, edx
shr esi, 0x1f
add esi, edx
lea eax, [esi + esi*4]
shl eax, 2
sub ecx, eax
xor eax, eax
test ecx, ecx
setg al
add eax, esi
add dword [0x5fbec4], eax
test ebp, ebp
jne 0x5097a9
push 0x106
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.00500c60
add esp, 0x10
lea eax, [esp + 0x28]
push eax
call fcn.0050e500
add esp, 4
test ebx, ebx
jle 0x5098d3
lea ecx, [ebx - 1]
mov eax, 0xcccccccd
mul ecx
mov eax, edx
shr eax, 4
inc eax
mov dword [esp + 0x18], eax
mov eax, 0x14
cmp ebx, 0x14
mov esi, ebx
push 0
cmovg esi, eax
call fcn.0050e620
push eax
lea eax, [esp + 0x30]
push eax
call fcn.0050e0e0
push 0x14
lea eax, [esp + 0x50]
push eax
lea eax, [esp + 0x3c]
push eax
call fcn.0050e290
lea ebp, [edi - 0x3ff]
add esp, 0x18
add ebp, esi
test ebp, ebp
jle 0x50983c
mov eax, esi
sub eax, ebp
push eax
lea eax, [edi + 0x5fbef0]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.0050e290
push ebp
lea eax, [esp + 0x38]
push 0x5fbef0
push eax
call fcn.0050e290
add esp, 0x18
jmp 0x509851
push esi
lea eax, [edi + 0x5fbef0]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.0050e290
add esp, 0xc
mov ebp, dword [esp + 0x10]
lea eax, [esp + 0x28]
push esi
push ebp
push eax
call fcn.0050e290
push 8
lea eax, [esp + 0x30]
push eax
lea eax, [esp + 0x3c]
push eax
call fcn.0050e290
push 0
lea eax, [esp + 0x5c]
push eax
lea eax, [esp + 0x48]
push eax
call fcn.0050e060
inc dword [esp + 0x48]
add ebp, esi
add esp, 0x24
mov dword [esp + 0x10], ebp
xor ecx, ecx
test esi, esi
jle 0x5098bc
nop word [eax + eax]
mov al, byte [esp + ecx + 0x40]
inc ecx
xor byte [edi + 0x5fbef0], al
lea eax, [edi + 1]
xor edi, edi
cmp eax, 0x3ff
cmovl edi, eax
cmp ecx, esi
jl 0x5098a0
sub ebx, 0x14
mov eax, 0x14
sub dword [esp + 0x18], 1
jne 0x5097d7
mov ebp, dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
call fcn.0050e2a0
add esp, 4
pop edi
pop esi
test ebp, ebp
jne 0x509900
push 0x137
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.00500c60
add esp, 0x10
nop dword [eax]
movups xmm1, xmmword [0x5fbedc]
xor ecx, ecx
mov edx, 4
movups xmm0, xmmword [esp + 0x38]
pxor xmm1, xmm0
movups xmmword [0x5fbedc], xmm1
nop
mov al, byte [esp + ecx + 0x48]
lea ecx, [ecx + 1]
xor byte [ecx + 0x5fbeeb], al
sub edx, 1
jne 0x509920
movsd xmm0, qword [0x5c0b20]
movsd xmm1, qword [0x5fbec8]
comisd xmm0, xmm1
jbe 0x509956
addsd xmm1, qword [esp + 0x5c]
movsd qword [0x5fbec8], xmm1
test ebp, ebp
pop ebp
jne 0x509971
push 0x144
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.00500c60
add esp, 0x10
mov ecx, dword [esp + 0x48]
pop ebx
xor ecx, esp
call fcn.004fb4f0
add esp, 0x48
ret