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   <H1>[pycrypto] RSA exportKey question</H1>
    <B>Jesus Cea</B> 
    <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20RSA%20exportKey%20question&In-Reply-To=%3C51D4D9C5.7080707%40jcea.es%3E"
       TITLE="[pycrypto] RSA exportKey question">jcea at jcea.es
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    <I>Wed Jul  3 19:11:17 PDT 2013</I>
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<PRE>-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 04/07/13 02:37, <A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">Paul_Koning at Dell.com</A> wrote:
&gt;<i> 
</I>&gt;<i> On Jul 3, 2013, at 5:26 PM, Legrandin wrote:
</I>&gt;<i> 
</I>&gt;&gt;<i> I find 3DES is as good as AES for most practical purposes.
</I>&gt;<i> 
</I>&gt;<i> I'm curious what your metrics are for that conclusion.
</I>&gt;<i> 
</I>&gt;<i> By way of comparison, the new draft for the RFC covering storage 
</I>&gt;<i> protocol security (successor to RFC 3723) switches from 3DES to
</I>&gt;<i> AES for clearly stated reasons, one of which is the fact that 64
</I>&gt;<i> bit blocks and large quantities of data don't go well together.
</I>&gt;<i> If you're dealing with small quantities of data, 3DES might still
</I>&gt;<i> be good enough, but I still don't see an obvious reason to stick
</I>&gt;<i> with a rather ancient cipher when a well-vetted replacement is
</I>&gt;<i> available.
</I>
&lt;<A HREF="https://tools.ietf.org/html/draft-ietf-storm-ipsec-ips-update-01">https://tools.ietf.org/html/draft-ietf-storm-ipsec-ips-update-01</A>&gt;.
Section 2.2.

Also, modern x86 CPUs have AES support in the hardware:
&lt;<A HREF="https://en.wikipedia.org/wiki/AES_instruction_set">https://en.wikipedia.org/wiki/AES_instruction_set</A>&gt;

- -- 
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