[strongSwan] use of libgmp

Andreas Steffen andreas.steffen at strongswan.org
Tue Mar 19 20:26:43 CET 2013

Hi Chad,

the gmp plugin is needed for RSA-based authentication (optional if
PSK is used) and Diffie-Hellman key exchange (required for IKE).
As an alternative to the gmp plugin you can enable the openssl
plugin but OpenSSL's libcrypto isn't exactly compact either.



On 19.03.2013 20:20, Chad Winckler wrote:
> Hi,
> I'm using strongSwan in an embedded product where memory is limited.  The
> configure options allow disabling the use of libgmp.  What functionality
> would be lost without this precision lib?
> thanks,
> Chad

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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