search for: rfc4418

Hello All, As the release notes of SSH-4.7 version says that a new MAC algorithm (UMAC-64 - RFC4418) was introduced with OpenSSH-4.7 which gives much better performance, I was tempted to check out the enhanced speed provided with new version. So I downloaded OpenSSH-5.1p1 and build it on Solaris 10 with Sun Compiler CC. My test setup:- 1. Two Sunfire 440 with 2 CPU (1281 MHz) and 4GB RAM. 2. N...

...essively. These improves performance on high-BDP (Bandwidth Delay Product) networks. * ssh(1) and sshd(8) now preserve MAC contexts between packets, which saves 2 hash calls per packet and results in 12-16% speedup for arcfour256/hmac-md5. * A new MAC algorithm has been added, UMAC-64 (RFC4418) as "umac-64 at openssh.com". UMAC-64 has been measured to be approximately 20% faster than HMAC-MD5. * A -K flag was added to ssh(1) to set GSSAPIAuthentication=Yes * Failure to establish a ssh(1) TunnelForward is now treated as a fatal error when the ExitOnForwardFailure o...

...essively. These improves performance on high-BDP (Bandwidth Delay Product) networks. * ssh(1) and sshd(8) now preserve MAC contexts between packets, which saves 2 hash calls per packet and results in 12-16% speedup for arcfour256/hmac-md5. * A new MAC algorithm has been added, UMAC-64 (RFC4418) as "umac-64 at openssh.com". UMAC-64 has been measured to be approximately 20% faster than HMAC-MD5. * A -K flag was added to ssh(1) to set GSSAPIAuthentication=Yes * Failure to establish a ssh(1) TunnelForward is now treated as a fatal error when the ExitOnForwardFailure o...

...indow size has been increased, which improves performance on high-BDP networks. * ssh(1) and sshd(8) now preserve MAC contexts between packets, which saves 2 hash calls per packet and results in 12-16% speedup for arcfour256/hmac-md5. * A new MAC algorithm has been added, UMAC-64 (RFC4418) which is approximately 20% faster than HMAC-MD5. * A -K flag was added to ssh(1) to set GSSAPIAuthentication=Yes #616: proxycommand breaks hostbased authentication. #856: scp hangs on FIFOs rather than erroring #891: possible problem with non-printing characters during scp copy #1196: SIGI...