[strongSwan] Strongswan 4.5.2 performance AES128 vs DES

Andreas Steffen andreas.steffen at strongswan.org
Thu Mar 1 08:50:29 CET 2012


The AES cipher *is* much faster than 3DES! There is no remedy
for this fact than slowing down AES on purpose ;-)


On 02/28/2012 08:59 PM, Morgan Yang wrote:
> Hi All:
> I am noticing a significant difference in throughput between using
> AES128 and 3DES on my Intel x86 server. I can achieve 100 mbps stable
> throughout using AES128 but can only achieve 2/3 of that using 3DES. I
> know can I accelerate AES even further using Crypto patches, is there
> any ways to accelerate 3DES?
> Much Thanks
> Morgan Yang

Andreas Steffen                         andreas.steffen at strongswan.org
strongSwan - the Linux VPN Solution!                www.strongswan.org
Institute for Internet Technologies and Applications
University of Applied Sciences Rapperswil
CH-8640 Rapperswil (Switzerland)

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