ssl_ResetSecurityInfo(sec);
ssl_ResetSecurityInfo(sec, PR_FALSE);
ssl_DestroySecurityInfo(sslSecurityInfo *sec){    ssl_ResetSecurityInfo(sec);    PORT_ZFree(sec->writeBuf.buf, sec->writeBuf.space);    sec->writeBuf.buf = 0;    memset(sec, 0, sizeof *sec);}