Re: lxyssl (AES binding), CFB en

[Valerio Schiavoni <valerio.schiavoni@...>]

Hello Gary,
I reproduced your environment via a virtual machine. Installed lenny,
lua 5.1.3, xyssl, lxyssl,and run.. and indeed, in this context, it
works.

What can be possibly be? Which are the differences between lua 5.1.3
and 5.1.4 ??

lua -llxyssl
Lua 5.1.3  Copyright (C) 1994-2008 Lua.org, PUC-Rio
> require"lxyssl"
> key="abcdabcdabcdabcd"
> iv=lxyssl.hash('md5'):digest(key)
> print(iv)
)%�,���������F
> data=('a'):rep(8193)
> e=lxyssl.aes(key):cfb_encrypt(data,iv)
> print(#e)
8193
> print(e)
$�#Z_ ��Wj{V���y6���� ��:�j� d��L�������Y<�Hw�w���� ��)Mi]�ׯAA�7�+A ��
���{�W��(QP



On Tue, Jun 8, 2010 at 12:34 AM, gary ng <garyng2000@yahoo.com> wrote:
>
> Which is why I said, I have no idea. The following were done under linux using lua 5.1.3 and the library has been in used for quite a while. I don't have 5.1.4 on this machine(it is a debian lenny) and don't have the time to redo it(compile lua then lxyssl etc.) from scratch.
>
> > require'security'
> > data=('a'):rep(8192)
> > k=security.hash.engine('md5'):digest('abcd')
> > aes_cfb = security.crypto.engine('aes_cfb',k,k)
> > e=aes_cfb:encrypt(data..'a')
> > print(#e)
> 8193
>
>
>
>
>
> From: Valerio Schiavoni <valerio.schiavoni@gmail.com>
> To: Lua list <lua@bazar2.conectiva.com.br>
> Sent: Mon, June 7, 2010 3:24:25 PM
> Subject: Re: lxyssl (AES binding), CFB en
>
> Well:
> Lua 5.1.4  Copyright (C) 1994-2008 Lua.org, PUC-Rio
> > require"security"
> > data=('a'):rep(8192)
> > k = security.hash.engine('md5'):digest('abcd')
> > print(k)
> ??qLG'?$?.3
> > aes_cfb = security.crypto.engine('aes_cfb', k, k)
> > e=aes_cfb:encrypt(data.."a")
> > print(e)
> > print(#e)
> 0
> I don't understand..
>