StrBufAppendBufPlain(hdr->HR.plainauth, HKEY(":"), 0);
StrBufAppendBuf(hdr->HR.plainauth, hdr->HR.user_agent, 0);
hdr->HR.SessionKey = hashlittle(SKEY(hdr->HR.plainauth), 89479832);
StrBufAppendBufPlain(hdr->HR.plainauth, HKEY(":"), 0);
StrBufAppendBuf(hdr->HR.plainauth, hdr->HR.user_agent, 0);
hdr->HR.SessionKey = hashlittle(SKEY(hdr->HR.plainauth), 89479832);