In Microsoft's , sites that have a high-assurance digital certificate will have a green-tinted address bar.
Additionally, the Web browser will rotate displays of the certificate issuer's name and of the name and location of the company that owns the certificate in the address bar.
When someone clicks on the lock icon--which in IE 7 will move from the status bar to the address bar--the browser will display additional information on the certificate.
In IE 7, Sites that have a conventional certificate will only display the padlock icon in the address bar. A PC user can click on the icon to get more information on the issuer and owner of the certificate.