On 06/15/2012 01:31 AM, Nikos Mavrogiannopoulos wrote:
There are few things you can do to speed a connection up. But first a question, is gnutls linked in your system with libgcrypt or libnettle? The latter provides a 2x performance boost in most algorithms. Now about your selection of algorithms. Why AES-256 and not 128? If transfer speed is your only concern ARCFOUR-128 is the cipher with best performance. You may also use HMAC-MD5 instead of HMAC-SHA1 to boost speed at the cost of using a borderline algorithm.
Fedora uses libgcrypt. 128-bit vs 256-bit didn't provide any tangible difference in my testing. I'll give all those ciphers a shot and look into using libnettle. Thanks!
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