<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi,</div><div><div><br></div>On Dec 2, 2016, at 7:07 PM, 陈锋 &lt;<a href="mailto:chenfeng@fintechina.com.cn">chenfeng@fintechina.com.cn</a>&gt; wrote:<br><br></div><blockquote type="cite"><div class="__aliyun_email_body_block"><div style="clear:both;">My server system is&nbsp;Ubuntu&nbsp;/&nbsp;14.04.1&nbsp;LTS&nbsp;amd64.</div><div style="clear:both;">I fllow the instructions here and got severl C <span style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;text-align:start;text-indent:.0px;text-transform:none;widows:2;background-color:#ffffff;float:none;display:inline;">compilation</span> errors when I run bin/develop.</div><div style="clear:both;"><a href="https://github.com/apple/ccs-calendarserver/blob/master/doc/Admin/Guide.rst">https://github.com/apple/ccs-calendarserver/blob/master/doc/Admin/Guide.rst</a></div><div style="clear:both;">Such as:</div><div style="clear:both;"><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;"><span class="s1" style="font-variant-ligatures:no-common-ligatures;">digestmd5.c:1019:7: error: 'DES_DECRYPT' undeclared (first use in this function)</span></p><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;"><span class="s1" style="font-variant-ligatures:no-common-ligatures;">&nbsp;&nbsp; &nbsp; &nbsp; DES_DECRYPT);</span></p></div><div style="clear:both;"><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;"><span class="s1" style="font-variant-ligatures:no-common-ligatures;">digestmd5.c:1070:21: error: 'DES_ENCRYPT' undeclared (first use in this function)</span></p><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;"><span class="s1" style="font-variant-ligatures:no-common-ligatures;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; DES_ENCRYPT);</span></p><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;"><span class="s1" style="font-variant-ligatures:no-common-ligatures;"></span></p><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;"><span class="s1" style="font-variant-ligatures:no-common-ligatures;">digestmd5.c:1094:20: error: 'des_cblock' undeclared (first use in this function)</span></p><p class="p1" style="margin:.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:16.0px;line-height:normal;font-family:Courier;color:#fff0a5;background-color:#13773d;">...</p></div></div></blockquote><br><div>This may be caused by old library versions on your system. Make sure you're running the most recent version of 14.04, which is 14.04.5 as seen here:&nbsp;<a href="https://wiki.ubuntu.com/Releases">https://wiki.ubuntu.com/Releases</a>&nbsp;- this might include updated system packages that resolve the problem. If not we can dig deeper.</div><div><br></div><div>CalendarServer has a fairly modern security posture with respect to rejecting known-insecure encryption mechanisms, and DES is definitely in that category (<a href="https://en.m.wikipedia.org/wiki/Data_Encryption_Standard">https://en.m.wikipedia.org/wiki/Data_Encryption_Standard</a>).</div><div><br></div><div>-dre</div></body></html>