Function at 0x504290
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.00498090
mov eax, dword [0x61c850]
xor eax, esp
mov dword [esp + 0x44], eax
cmp dword [0x62f134], 0
mov eax, dword [esp + 0x4c]
push ebx
mov dword [esp + 8], eax
je 0x5043b1
lea ecx, [esp + 0xc]
push ecx
call fcn.00504ef0
push 0xdd
push str..crypto_randmd_rand.c
push 0x13
push 5
call fcn.00505360
lea edx, [esp + 0x20]
push edx
push 0x62ece8
call fcn.00504f30
mov ebx, eax
push 0xdf
neg ebx
push str..crypto_randmd_rand.c
sbb ebx, ebx
push 0x13
add ebx, 1
push 6
mov dword [esp + 0x30], ebx
call fcn.00505360
add esp, 0x2c
test ebx, ebx
jne 0x504324
push 0xe4
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.00505360
add esp, 0x10
mov eax, dword [0x62f120]
mov edx, dword [0x62f124]
mov ecx, dword [0x62f11c]
mov dword [esp + 0x14], eax
mov eax, dword [0x62f104]
push esi
mov esi, dword [esp + 0x58]
mov dword [esp + 0x1c], edx
mov edx, dword [0x62f108]
mov dword [esp + 0x38], eax
mov eax, dword [0x62f10c]
push edi
mov edi, ecx
add ecx, esi
cmp ecx, 0x3ff
mov dword [esp + 0x40], edx
mov edx, dword [0x62f110]
mov dword [esp + 0x44], eax
mov eax, dword [0x62f114]
mov dword [esp + 0x48], edx
mov dword [esp + 0x4c], eax
mov dword [0x62f11c], ecx
jl 0x5043c2
mov eax, 0x7fdff7fd
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 [0x62f11c], ecx
mov dword [0x62f118], 0x3ff
jmp 0x5043d8
mov dword [esp + 4], 0
mov ebx, dword [esp + 4]
jmp 0x50430e
mov eax, dword [0x62f118]
cmp eax, 0x3ff
jge 0x5043d8
cmp ecx, eax
jle 0x5043d8
mov dword [0x62f118], ecx
mov eax, 0x66666667
imul esi
sar edx, 3
mov eax, edx
shr eax, 0x1f
add eax, edx
lea ecx, [eax + eax*4]
add ecx, ecx
add ecx, ecx
mov edx, esi
sub edx, ecx
xor ecx, ecx
test edx, edx
setg cl
add ecx, eax
add dword [0x62f124], ecx
test ebx, ebx
jne 0x50441d
push 0x104
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.00505360
add esp, 0x10
lea edx, [esp + 0x24]
push edx
call fcn.0050bd10
add esp, 4
test esi, esi
jle 0x50453e
push ebp
mov ebp, esi
add esi, 0xffffffff
mov eax, 0xcccccccd
mul esi
shr edx, 4
add edx, 1
mov dword [esp + 0x18], edx
lea esp, [esp]
cmp ebp, 0x14
mov esi, ebp
jle 0x50445c
mov esi, 0x14
push 0
call fcn.0050ea60
push eax
lea eax, [esp + 0x30]
push eax
call fcn.0050bd60
push 0x14
lea ecx, [esp + 0x50]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.0050bf10
lea ebx, [esi + edi - 0x3ff]
add esp, 0x18
test ebx, ebx
lea ecx, [edi + 0x62ecf0]
lea edx, [esp + 0x28]
jle 0x5044b8
mov eax, esi
sub eax, ebx
push eax
push ecx
push edx
call fcn.0050bf10
push ebx
lea eax, [esp + 0x38]
push 0x62ecf0
push eax
call fcn.0050bf10
add esp, 0x18
jmp 0x5044c3
push esi
push ecx
push edx
call fcn.0050bf10
add esp, 0xc
mov ebx, dword [esp + 0x14]
push esi
lea eax, [esp + 0x2c]
push ebx
push eax
call fcn.0050bf10
push 8
lea ecx, [esp + 0x30]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.0050bf10
push 0
lea eax, [esp + 0x5c]
push eax
lea ecx, [esp + 0x48]
push ecx
call fcn.0050bf20
mov ecx, 1
add dword [esp + 0x48], ecx
add ebx, esi
add esp, 0x24
xor eax, eax
test esi, esi
mov dword [esp + 0x14], ebx
jle 0x50452c
lea ecx, [ecx]
mov dl, byte [esp + eax + 0x40]
xor byte [edi + 0x62ecf0], dl
add edi, ecx
cmp edi, 0x3ff
jl 0x504526
xor edi, edi
add eax, ecx
cmp eax, esi
jl 0x504510
sub ebp, 0x14
sub dword [esp + 0x18], ecx
jne 0x504450
mov ebx, dword [esp + 0x10]
pop ebp
lea eax, [esp + 0x24]
push eax
call fcn.0050bfa0
add esp, 4
test ebx, ebx
pop edi
pop esi
jne 0x504567
push 0x137
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.00505360
add esp, 0x10
xor eax, eax
lea esp, [esp]
movzx ecx, byte [esp + eax + 0x34]
xor byte [eax + 0x62f104], cl
movzx edx, byte [esp + eax + 0x35]
movzx ecx, byte [esp + eax + 0x36]
xor byte [eax + 0x62f105], dl
xor byte [eax + 0x62f106], cl
movzx edx, byte [esp + eax + 0x37]
movzx ecx, byte [esp + eax + 0x38]
xor byte [eax + 0x62f107], dl
xor byte [eax + 0x62f108], cl
add eax, 5
cmp eax, 0x14
jl 0x504570
fld qword [0x5bc8e8]
fld qword [0x62f128]
fcom st(1)
fnstsw ax
fstp st(1)
test ah, 5
jp 0x5045d2
fadd qword [esp + 0x58]
fstp qword [0x62f128]
jmp 0x5045d4
fstp st(0)
test ebx, ebx
pop ebx
jne 0x5045ef
push 0x142
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.00505360
add esp, 0x10
mov ecx, dword [esp + 0x44]
xor ecx, esp
call fcn.00493f9c
add esp, 0x48
ret