Function at 0x52eb1f
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0xc
mov edi, dword [esp + 0x24]
mov esi, dword [esp + 0x20]
lea ebx, [edi - 1]
nop word cs:[eax + eax]
cmp byte [ebx + 1], 0
lea ebx, [ebx + 1]
jne 0x52eb3f
sub ebx, edi
test edi, edi
je 0x52eb87
mov eax, dword [esi + 0x18]
lea ebp, [esi + 4]
cmp eax, 0x10
jb 0x52eb6a
mov ecx, dword [ebp]
cmp ecx, edi
ja 0x52eb87
cmp eax, 0x10
jb 0x52eb72
mov edx, dword [ebp]
jmp 0x52eb74
mov ecx, ebp
cmp ecx, edi
jbe 0x52eb60
jmp 0x52eb87
mov edx, ebp
mov ecx, dword [esi + 0x14]
add edx, ecx
cmp edx, edi
jbe 0x52eb87
cmp eax, 0x10
jb 0x52ebdf
mov edx, dword [ebp]
jmp 0x52ebe1
sub esp, 4
push 0
push ebx
push esi
call fcn.0052d417
add esp, 0x10
test al, al
je 0x52ebd5
mov eax, dword [esi + 0x18]
lea ebp, [esi + 4]
cmp eax, 0x10
jb 0x52ebae
mov ecx, dword [ebp]
test ebx, ebx
jne 0x52ebb4
jmp 0x52ebc5
mov ecx, ebp
test ebx, ebx
je 0x52ebc5
sub esp, 4
push ebx
push edi
push ecx
call 0x8878c7
add esp, 0x10
mov eax, dword [esi + 0x18]
cmp eax, 0x10
jb 0x52ebcd
mov ebp, dword [ebp]
mov dword [esi + 0x14], ebx
mov byte [ebp + ebx], 0
mov eax, esi
add esp, 0xc
pop esi
pop edi
pop ebx
pop ebp
ret
mov edx, ebp
sub edi, edx
mov edx, ecx
sub edx, edi
jb 0x52ec6e
cmp edx, ebx
ja 0x52ebf3
mov ebx, edx
add ebx, edi
cmp ecx, ebx
jb 0x52ec7e
cmp eax, 0xf
ja 0x52ec06
mov eax, ebp
jmp 0x52ec09
mov eax, dword [esi + 4]
mov dword [esi + 0x14], ebx
mov byte [eax + ebx], 0
mov ebx, dword [esi + 0x14]
cmp ebx, edi
jbe 0x52ec55
test edi, edi
je 0x52ebd5
mov eax, dword [esi + 4]
mov ecx, dword [esi + 0x18]
cmp ecx, 0xf
mov edx, eax
ja 0x52ec2a
mov edx, ebp
sub ebx, edi
je 0x52ec44
add edi, edx
sub esp, 4
push ebx
push edi
push edx
call 0x8879e0
add esp, 0x10
mov eax, dword [esi + 4]
mov ecx, dword [esi + 0x18]
cmp ecx, 0xf
ja 0x52ec4b
mov eax, ebp
mov dword [esi + 0x14], ebx
add eax, ebx
mov byte [eax], 0
jmp 0x52ebd5
cmp dword [esi + 0x18], 0xf
jbe 0x52ec5e
mov ebp, dword [esi + 4]
mov dword [esi + 0x14], 0
mov byte [ebp], 0
jmp 0x52ebd5
sub esp, 0xc
push 0x78d450
call 0x883eab
add esp, 0xc
sub esp, 0xc
push 0x78d450
call 0x883eab
add esp, 0xc
nop
push ebp
push ebx
push edi
push esi
sub esp, 8
mov ebp, dword [esp + 0x20]
mov eax, 0x80000000
mov edi, dword [esp + 0x24]
xor edi, eax
mov ecx, dword [esp + 0x28]
xor ecx, eax
sub ecx, edi
cmp ecx, 0xffffffff
je 0x52ee9a
mov dword [esp], edi
lea ebx, [ecx + 1]
mov edi, ecx
mov dword [esp + 4], edi
nop word cs:[eax + eax]
test edi, edi
je 0x52ed3f
mov eax, dword [ebp]
cmp eax, 0x270
jne 0x52ed4f
mov ecx, dword [ebp + 4]
mov eax, 0xfffffd90
nop word cs:[eax + eax]
and ecx, 0x80000000
mov edx, dword [ebp + eax*4 + 0x9c8]
mov esi, edx
and esi, 0x7ffffffe
or esi, ecx
shr esi, 1
mov ecx, edx
and edx, 1
neg edx
and edx, 0x9908b0df
xor edx, dword [ebp + eax*4 + 0xff8]
xor edx, esi
mov dword [ebp + eax*4 + 0x1384], edx
inc eax
jne 0x52ecef
mov eax, dword [ebp]
jmp 0x52ee2a
xor ecx, ecx
xor esi, esi
jmp 0x52ee66
cmp eax, 0x4e0
jb 0x52ee2a
mov ecx, dword [ebp + 0x9c4]
xor eax, eax
nop word cs:[eax + eax]
and ecx, 0x80000000
mov edx, dword [ebp + eax*4 + 0x9c8]
mov esi, edx
and esi, 0x7ffffffe
or esi, ecx
shr esi, 1
mov ecx, edx
and edx, 1
neg edx
and edx, 0x9908b0df
xor edx, dword [ebp + eax*4 + 0xff8]
xor edx, esi
mov dword [ebp + eax*4 + 4], edx
inc eax
cmp eax, 0xe3
jne 0x52ed6f
mov ecx, dword [ebp + 0xd50]
mov eax, 0x80000000
and ecx, eax
xor eax, eax
nop word [eax + eax]
mov edx, dword [ebp + eax*4 + 0xd54]
mov esi, edx
and esi, 0x7ffffffe
or esi, ecx
shr esi, 1
mov ecx, edx
and edx, 1
neg edx
and edx, 0x9908b0df
xor edx, dword [ebp + eax*4 + 4]
xor edx, esi
mov dword [ebp + eax*4 + 0x390], edx
and ecx, 0x80000000
inc eax
cmp eax, 0x18c
jne 0x52edbf
mov eax, dword [ebp + 4]
mov edx, eax
and edx, 0x7ffffffe
or edx, ecx
shr edx, 1
and eax, 1
neg eax
and eax, 0x9908b0df
xor eax, dword [ebp + 0x634]
xor eax, edx
mov dword [ebp + 0x9c0], eax
mov dword [ebp], 0
xor eax, eax
lea ecx, [eax + 1]
mov dword [ebp], ecx
mov eax, dword [ebp + eax*4 + 4]
mov ecx, eax
shr ecx, 0xb
and ecx, dword [ebp + 0x1384]
xor ecx, eax
mov eax, ecx
shl eax, 7
and eax, 0x9d2c5680
xor eax, ecx
mov edx, eax
shl edx, 0xf
and edx, 0xefc60000
xor edx, eax
mov ecx, edx
shr ecx, 0x12
xor ecx, edx
mov esi, 0xffffffff
xor edx, edx
mov eax, ecx
div ebx
mov edi, eax
xor edx, edx
mov eax, esi
div ebx
cmp edi, eax
mov edi, dword [esp + 4]
jb 0x52ee8a
xor edx, edx
mov eax, esi
div ebx
cmp edx, edi
jne 0x52eccf
xor edx, edx
mov eax, ecx
div ebx
mov eax, edx
mov edi, dword [esp]
jmp 0x52f001
mov eax, dword [ebp]
cmp eax, 0x270
jne 0x52eef0
mov ecx, dword [ebp + 4]
mov eax, 0xfffffd90
nop dword [eax]
and ecx, 0x80000000
mov edx, dword [ebp + eax*4 + 0x9c8]
mov esi, edx
and esi, 0x7ffffffe
or esi, ecx
shr esi, 1
mov ecx, edx
and edx, 1
neg edx
and edx, 0x9908b0df
xor edx, dword [ebp + eax*4 + 0xff8]
xor edx, esi
mov dword [ebp + eax*4 + 0x1384], edx
inc eax
jne 0x52eeaf
mov eax, dword [ebp]
jmp 0x52efca
cmp eax, 0x4e0
jb 0x52efca
mov ecx, dword [ebp + 0x9c4]
xor eax, eax
nop word cs:[eax + eax]
and ecx, 0x80000000
mov edx, dword [ebp + eax*4 + 0x9c8]
mov esi, edx
and esi, 0x7ffffffe
or esi, ecx
shr esi, 1
mov ecx, edx
and edx, 1
neg edx
and edx, 0x9908b0df
xor edx, dword [ebp + eax*4 + 0xff8]
xor edx, esi
mov dword [ebp + eax*4 + 4], edx
inc eax
cmp eax, 0xe3
jne 0x52ef0f
mov ecx, 0x80000000
and ecx, dword [ebp + 0xd50]
xor eax, eax
nop dword [eax + eax]
mov edx, dword [ebp + eax*4 + 0xd54]
mov esi, edx
and esi, 0x7ffffffe
or esi, ecx
shr esi, 1
mov ecx, edx
and edx, 1
neg edx
and edx, 0x9908b0df
xor edx, dword [ebp + eax*4 + 4]
xor edx, esi
mov dword [ebp + eax*4 + 0x390], edx
and ecx, 0x80000000
inc eax
cmp eax, 0x18c
jne 0x52ef5f
mov eax, dword [ebp + 4]
mov edx, eax
and edx, 0x7ffffffe
or edx, ecx
shr edx, 1
and eax, 1
neg eax
and eax, 0x9908b0df
xor eax, dword [ebp + 0x634]
xor eax, edx
mov dword [ebp + 0x9c0], eax
mov dword [ebp], 0
xor eax, eax
lea ecx, [eax + 1]
mov dword [ebp], ecx
mov eax, dword [ebp + eax*4 + 4]
mov ecx, eax
shr ecx, 0xb
and ecx, dword [ebp + 0x1384]
xor ecx, eax
mov eax, ecx
shl eax, 7
and eax, 0x9d2c5680
xor eax, ecx
mov ecx, eax
shl ecx, 0xf
and ecx, 0xefc60000
xor ecx, eax
mov eax, ecx
enter 0xffffffffffffe8c1, 0x12