Function at 0x4f09b0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.00497d50
mov eax, dword [0x5d2020]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x4c]
push esi
mov esi, dword [esp + 0x54]
test esi, esi
mov dword [esp + 8], eax
je 0x4f0d0f
cmp dword [0x5df0ec], 0
push ebx
je 0x4f0ad9
lea ecx, [esp + 0x10]
push ecx
call fcn.004d8fb0
push 0xdf
push str..crypto_randmd_rand.c
push 0x13
push 5
call fcn.004d94b0
lea edx, [esp + 0x24]
push edx
push 0x5deca0
call fcn.004d8ff0
mov ebx, eax
push 0xe1
neg ebx
push str..crypto_randmd_rand.c
sbb ebx, ebx
push 0x13
add ebx, 1
push 6
mov dword [esp + 0x34], ebx
call fcn.004d94b0
add esp, 0x2c
test ebx, ebx
jne 0x4f0a51
push 0xe6
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.004d94b0
add esp, 0x10
mov eax, dword [0x5df0d8]
mov edx, dword [0x5df0dc]
mov ecx, dword [0x5df0d4]
mov dword [esp + 0x18], eax
mov eax, dword [0x5df0bc]
mov dword [esp + 0x1c], edx
mov edx, dword [0x5df0c0]
mov dword [esp + 0x38], eax
mov eax, dword [0x5df0c4]
push edi
mov edi, ecx
add ecx, esi
cmp ecx, 0x3ff
mov dword [esp + 0x40], edx
mov edx, dword [0x5df0c8]
mov dword [esp + 0x44], eax
mov eax, dword [0x5df0cc]
mov dword [esp + 0x48], edx
mov dword [esp + 0x4c], eax
mov dword [0x5df0d4], ecx
jl 0x4f0aea
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 [0x5df0d4], ecx
mov dword [0x5df0d0], 0x3ff
jmp 0x4f0b00
mov dword [esp + 8], 0
mov ebx, dword [esp + 8]
jmp 0x4f0a3b
mov eax, dword [0x5df0d0]
cmp eax, 0x3ff
jge 0x4f0b00
cmp ecx, eax
jle 0x4f0b00
mov dword [0x5df0d0], 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 [0x5df0dc], ecx
test ebx, ebx
jne 0x4f0b45
push 0x106
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.004d94b0
add esp, 0x10
lea edx, [esp + 0x24]
push edx
call fcn.004d43f0
add esp, 4
test esi, esi
jle 0x4f0c5e
push ebp
mov ebp, esi
add esi, 0xffffffff
mov eax, 0xcccccccd
mul esi
shr edx, 4
add edx, 1
mov dword [esp + 0x18], edx
cmp ebp, 0x14
mov esi, ebp
jle 0x4f0b7d
mov esi, 0x14
push 0
call fcn.004d4a20
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004d4440
push 0x14
lea ecx, [esp + 0x50]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.004d45f0
lea ebx, [esi + edi - 0x3ff]
add esp, 0x18
test ebx, ebx
lea ecx, [edi + 0x5deca8]
lea edx, [esp + 0x28]
jle 0x4f0bd9
mov eax, esi
sub eax, ebx
push eax
push ecx
push edx
call fcn.004d45f0
push ebx
lea eax, [esp + 0x38]
push 0x5deca8
push eax
call fcn.004d45f0
add esp, 0x18
jmp 0x4f0be4
push esi
push ecx
push edx
call fcn.004d45f0
add esp, 0xc
mov ebx, dword [esp + 0x14]
push esi
lea eax, [esp + 0x2c]
push ebx
push eax
call fcn.004d45f0
push 8
lea ecx, [esp + 0x30]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.004d45f0
push 0
lea eax, [esp + 0x5c]
push eax
lea ecx, [esp + 0x48]
push ecx
call fcn.004d4600
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 0x4f0c4c
mov edi, edi
mov dl, byte [esp + eax + 0x40]
xor byte [edi + 0x5deca8], dl
add edi, ecx
cmp edi, 0x3ff
jl 0x4f0c46
xor edi, edi
add eax, ecx
cmp eax, esi
jl 0x4f0c30
sub ebp, 0x14
sub dword [esp + 0x18], ecx
jne 0x4f0b71
mov ebx, dword [esp + 0x10]
pop ebp
lea eax, [esp + 0x24]
push eax
call fcn.004d4680
add esp, 4
test ebx, ebx
pop edi
jne 0x4f0c86
push 0x137
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.004d94b0
add esp, 0x10
xor eax, eax
jmp 0x4f0c90
movzx ecx, byte [esp + eax + 0x38]
xor byte [eax + 0x5df0bc], cl
movzx edx, byte [esp + eax + 0x39]
movzx ecx, byte [esp + eax + 0x3a]
xor byte [eax + 0x5df0bd], dl
xor byte [eax + 0x5df0be], cl
movzx edx, byte [esp + eax + 0x3b]
movzx ecx, byte [esp + eax + 0x3c]
xor byte [eax + 0x5df0bf], dl
xor byte [eax + 0x5df0c0], cl
add eax, 5
cmp eax, 0x14
jl 0x4f0c90
fld qword [0x57c298]
fld qword [0x5df0e0]
fcom st(1)
fnstsw ax
fstp st(1)
test ah, 5
jp 0x4f0cf2
fadd qword [esp + 0x5c]
fstp qword [0x5df0e0]
jmp 0x4f0cf4
fstp st(0)
test ebx, ebx
pop ebx
jne 0x4f0d0f
push 0x144
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.004d94b0
add esp, 0x10
mov ecx, dword [esp + 0x48]
pop esi
xor ecx, esp
call fcn.0044e502
add esp, 0x48
ret