Function at 0x4fdb70
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.0053f090
mov eax, dword [0x5ef2a0]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x4c]
push esi
mov esi, dword [esp + 0x54]
mov dword [esp + 8], eax
test esi, esi
je 0x4fdeee
cmp dword [0x5f6434], 0
push ebx
push ebp
push edi
je 0x4fdbf9
lea eax, [esp + 0x20]
push eax
call fcn.004c5cc0
push 0xdf
push str..crypto_randmd_rand.c
push 0x13
push 5
call fcn.004c5ea0
lea eax, [esp + 0x34]
push eax
push 0x5f6864
call fcn.004c5c50
mov ebx, eax
push 0xe1
neg ebx
push str..crypto_randmd_rand.c
sbb ebx, ebx
push 0x13
inc ebx
push 6
mov dword [esp + 0x3c], ebx
call fcn.004c5ea0
add esp, 0x2c
test ebx, ebx
jne 0x4fdc15
jmp 0x4fdbff
xor ebx, ebx
mov dword [esp + 0x10], ebx
push 0xe6
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.004c5ea0
add esp, 0x10
mov ecx, dword [0x5f641c]
mov edi, ecx
mov eax, dword [0x5f6420]
add ecx, esi
mov ebp, dword [0x5f6424]
mov dword [esp + 0x18], eax
mov eax, dword [0x5f644c]
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x50], eax
mov dword [0x5f641c], ecx
movdqu xmm0, xmmword [0x5f643c]
movdqu xmmword [esp + 0x40], xmm0
cmp ecx, 0x3ff
jb 0x4fdc83
mov eax, 0x401005
mov dword [0x5f6418], 0x3ff
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 9
imul eax, eax, 0xfffffc01
add ecx, eax
mov dword [0x5f641c], ecx
jmp 0x4fdc99
mov eax, dword [0x5f6418]
cmp eax, 0x3ff
jae 0x4fdc99
cmp ecx, eax
cmova eax, ecx
mov dword [0x5f6418], eax
mov ecx, dword [esp + 0x60]
mov eax, 0x66666667
imul esi
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 ebp, eax
mov dword [0x5f6424], ebp
test ebx, ebx
jne 0x4fdce1
push 0x106
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.004c5ea0
add esp, 0x10
lea eax, [esp + 0x28]
push eax
call fcn.004d04a0
mov eax, dword [esp + 0x64]
add esp, 4
mov dword [esp + 0x20], 0
test eax, eax
jle 0x4fde4c
mov ebp, eax
mov eax, 0x14
lea esp, [esp]
cmp ebp, 0x14
mov esi, ebp
push 0
cmovg esi, eax
call fcn.004c9550
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004d0080
add esp, 0xc
test eax, eax
je 0x4fdede
push 0x14
lea eax, [esp + 0x44]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
je 0x4fdede
lea ebx, [edi - 0x3ff]
add ebx, esi
test ebx, ebx
jle 0x4fdd86
mov eax, esi
sub eax, ebx
push eax
lea eax, [edi + 0x5f6450]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
je 0x4fdede
push ebx
push 0x5f6450
jmp 0x4fdd8e
push esi
lea eax, [edi + 0x5f6450]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
je 0x4fdede
mov ebx, dword [esp + 0x14]
lea eax, [esp + 0x28]
push esi
push ebx
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
je 0x4fdede
push 8
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
je 0x4fdede
push 0
lea eax, [esp + 0x44]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004cffe0
add esp, 0xc
test eax, eax
je 0x4fdede
inc dword [esp + 0x1c]
add ebx, esi
xor ecx, ecx
mov dword [esp + 0x14], ebx
test esi, esi
jle 0x4fde2b
jmp 0x4fde10
mov al, byte [esp + ecx + 0x40]
xor byte [edi + 0x5f6450], al
inc edi
xor eax, eax
cmp edi, 0x3ff
cmovge edi, eax
inc ecx
cmp ecx, esi
jl 0x4fde10
mov ebx, dword [esp + 0x20]
sub ebp, 0x14
add ebx, 0x14
mov eax, 0x14
mov dword [esp + 0x20], ebx
cmp ebx, dword [esp + 0x60]
jl 0x4fdd10
mov ebx, dword [esp + 0x10]
test ebx, ebx
jne 0x4fde66
push 0x13b
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.004c5ea0
add esp, 0x10
movdqu xmm0, xmmword [esp + 0x40]
mov eax, 0x5f643c
xor ecx, ecx
mov edx, 4
movdqu xmm1, xmmword [eax]
pxor xmm1, xmm0
movdqu xmmword [eax], xmm1
jmp 0x4fde90
mov al, byte [esp + ecx + 0x50]
lea ecx, [ecx + 1]
xor byte [ecx + 0x5f644b], al
dec edx
jne 0x4fde90
movsd xmm0, qword [0x5ba618]
movsd xmm1, qword [0x5f6428]
comisd xmm0, xmm1
jbe 0x4fdec4
addsd xmm1, qword [esp + 0x64]
movsd qword [0x5f6428], xmm1
test ebx, ebx
jne 0x4fdede
push 0x148
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.004c5ea0
add esp, 0x10
lea eax, [esp + 0x28]
push eax
call fcn.004d0240
add esp, 4
pop edi
pop ebp
pop ebx
mov ecx, dword [esp + 0x48]
pop esi
xor ecx, esp
call fcn.0053d5c4
add esp, 0x48
ret