char certdata[2*peercerts[0].size + 1];
for (i=0; i<peercerts[0].size; i++)
sprintf(certdata[2*i], "%02X", peercerts[0].data[i]);
sprintf(&certdata[2*i], "%02X", peercerts[0].data[i]);
certdata[2*i] = 0;
SQL_BEGIN("Checking peer x509 certificate.",