<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div> hi:</div><div><table><tbody><tr><td class="votecell" style="font-family: arial, verdana, sans-serif; line-height: 1.666;"><div class="vote"><div class="favoritecount"><b></b></div></div></td><td class="postcell" style="font-family: arial, verdana, sans-serif; line-height: 1.666;"><div class="post-text" itemprop="text"><p>    I write a SSH server with Twisted(15.5.0)  Conch. <span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 15px;"> </span><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 15px;">But it  don't support </span><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 15px;">hmac-sha2-512 MAC algorithms</span></p></div></td></tr></tbody></table>.  However I see this problem has been fixed in <a href="https://twistedmatrix.com/trac/ticket/8108" _src="https://twistedmatrix.com/trac/ticket/8108">https://twistedmatrix.com/trac/ticket/8108</a> .  I asked the question in <a href="http://stackoverflow.com/questions/41254398/twisted-hmac-sha2-512-corrupted-mac-on-input-with-openssh" _src="http://stackoverflow.com/questions/41254398/twisted-hmac-sha2-512-corrupted-mac-on-input-with-openssh">http://stackoverflow.com/questions/41254398/twisted-hmac-sha2-512-corrupted-mac-on-input-with-openssh</a> .</div><div><p style="font-family: arial, verdana, sans-serif; font-size: medium;"><font color="#333333">Best regards,</font></p><div style="line-height: 23.8px; widows: 1; font-stretch: normal;"><span style="color: rgb(51, 51, 51); line-height: 20.02px; font-family: arial;"> ---jianchen</span></div></div><div><br></div></div><br><br><span title="neteasefooter"><p> </p></span>