Hi, I modified the strongswan (5.0.4) code to write a new DH backend i.e., implemented the diffie_hellman_t interface so as to use Octeon Core Crypto Library APIs. Run with 100k IPsec tunnels with DH group 1 (Encryption algo: AES and integrity algorithm: SHA1) and found the tunnel setup rate to be 175-180 (approximately). Note that, with gmp library (using the same set of parameters), the setup rate was found out to be 120-125. The Octeon Core Crypto Library provides API's on Octeon for Crypto acceleration and DH operation. In addition what are the other ways to seep up the setup rate? If I use the openssl plugin, how can I take advantage of an engine to accelerate crypto in user space? Thanks in advance for your help and support. Regards, Chinmaya
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