Function at 0x4f66d0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.0049d300
mov eax, dword [0x61e810]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x4c]
push ebx
push ebp
mov ebp, dword [esp + 0x58]
xor ebx, ebx
cmp ebp, ebx
mov dword [esp + 8], eax
je 0x4f6a5d
cmp dword [0x631a7c], ebx
push esi
push edi
je 0x4f67fa
lea ecx, [esp + 0x18]
push ecx
call fcn.004f9740
push 0xdf
push str..crypto_randmd_rand.c
push 0x13
push 5
call fcn.004f9b30
lea edx, [esp + 0x2c]
push edx
push 0x631630
call fcn.004f9780
mov edi, eax
push 0xe1
neg edi
push str..crypto_randmd_rand.c
sbb edi, edi
push 0x13
add edi, 1
push 6
mov dword [esp + 0x40], edi
call fcn.004f9b30
add esp, 0x2c
cmp edi, ebx
jne 0x4f6774
push 0xe6
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.004f9b30
add esp, 0x10
mov eax, dword [0x631a68]
mov edx, dword [0x631a6c]
mov ecx, dword [0x631a64]
mov dword [esp + 0x20], eax
mov eax, dword [0x631a4c]
mov dword [esp + 0x24], edx
mov edx, dword [0x631a50]
mov dword [esp + 0x40], eax
mov eax, dword [0x631a54]
mov esi, ecx
add ecx, ebp
cmp ecx, 0x3ff
mov dword [esp + 0x44], edx
mov edx, dword [0x631a58]
mov dword [esp + 0x48], eax
mov eax, dword [0x631a5c]
mov dword [esp + 0x4c], edx
mov dword [esp + 0x50], eax
mov dword [0x631a64], ecx
jb 0x4f6805
mov eax, 0x401005
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 [0x631a64], ecx
mov dword [0x631a60], 0x3ff
jmp 0x4f681b
mov dword [esp + 0x14], ebx
mov edi, ebx
jmp 0x4f675e
mov eax, dword [0x631a60]
cmp eax, 0x3ff
jae 0x4f681b
cmp ecx, eax
jbe 0x4f681b
mov dword [0x631a60], ecx
mov eax, 0x66666667
imul ebp
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, ebp
sub edx, ecx
xor ecx, ecx
test edx, edx
setg cl
add ecx, eax
add dword [0x631a6c], ecx
cmp edi, ebx
jne 0x4f6860
push 0x106
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.004f9b30
add esp, 0x10
lea edx, [esp + 0x28]
push edx
call fcn.004f9c00
add esp, 4
cmp ebp, ebx
mov dword [esp + 0x18], ebx
jle 0x4f69ad
lea esp, [esp]
cmp ebp, 0x14
mov edi, ebp
jle 0x4f688c
mov edi, 0x14
push 0
call fcn.004faf30
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004f9c50
add esp, 0xc
test eax, eax
je 0x4f6a4e
push 0x14
lea ecx, [esp + 0x44]
push ecx
lea edx, [esp + 0x30]
push edx
call fcn.004f9e00
add esp, 0xc
test eax, eax
je 0x4f6a4e
lea ebx, [edi + esi - 0x3ff]
test ebx, ebx
lea ecx, [esi + 0x631638]
lea edx, [esp + 0x28]
jle 0x4f68fe
mov eax, edi
sub eax, ebx
push eax
push ecx
push edx
call fcn.004f9e00
add esp, 0xc
test eax, eax
je 0x4f6a4e
push ebx
push 0x631638
lea eax, [esp + 0x30]
push eax
jmp 0x4f6901
push edi
push ecx
push edx
call fcn.004f9e00
add esp, 0xc
test eax, eax
je 0x4f6a4e
mov eax, dword [esp + 0x10]
push edi
push eax
lea ecx, [esp + 0x30]
push ecx
call fcn.004f9e00
add esp, 0xc
test eax, eax
je 0x4f6a4e
push 8
lea edx, [esp + 0x24]
push edx
lea eax, [esp + 0x30]
push eax
call fcn.004f9e00
add esp, 0xc
test eax, eax
je 0x4f6a4e
push 0
lea ecx, [esp + 0x44]
push ecx
lea edx, [esp + 0x30]
push edx
call fcn.004f9e10
add esp, 0xc
test eax, eax
je 0x4f6a4e
add dword [esp + 0x24], 1
add dword [esp + 0x10], edi
xor eax, eax
test edi, edi
jle 0x4f6991
mov cl, byte [esp + eax + 0x40]
xor byte [esi + 0x631638], cl
add esi, 1
cmp esi, 0x3ff
jl 0x4f698a
xor esi, esi
add eax, 1
cmp eax, edi
jl 0x4f6973
mov eax, dword [esp + 0x18]
add eax, 0x14
sub ebp, 0x14
cmp eax, dword [esp + 0x60]
mov dword [esp + 0x18], eax
jl 0x4f6880
mov edi, dword [esp + 0x14]
test edi, edi
jne 0x4f69c7
push 0x13b
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.004f9b30
add esp, 0x10
xor eax, eax
lea esp, [esp]
movzx edx, byte [esp + eax + 0x40]
xor byte [eax + 0x631a4c], dl
movzx ecx, byte [esp + eax + 0x41]
movzx edx, byte [esp + eax + 0x42]
xor byte [eax + 0x631a4d], cl
xor byte [eax + 0x631a4e], dl
movzx ecx, byte [esp + eax + 0x43]
movzx edx, byte [esp + eax + 0x44]
xor byte [eax + 0x631a4f], cl
xor byte [eax + 0x631a50], dl
add eax, 5
cmp eax, 0x14
jl 0x4f69d0
fld qword [0x5b9920]
fld qword [0x631a70]
fcom st(1)
fnstsw ax
fstp st(1)
test ah, 5
jp 0x4f6a32
fadd qword [esp + 0x64]
fstp qword [0x631a70]
jmp 0x4f6a34
fstp st(0)
test edi, edi
jne 0x4f6a4e
push 0x148
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.004f9b30
add esp, 0x10
lea eax, [esp + 0x28]
push eax
call fcn.004f9e90
add esp, 4
pop edi
pop esi
mov ecx, dword [esp + 0x4c]
pop ebp
pop ebx
xor ecx, esp
call fcn.00489dc1
add esp, 0x48
ret