Encrypt URL Parameter Value in Web UI

Dear Experts,

There is a requirement that system need to sent an email that contain URL link for the document need to be followed up. And when the user click the link, he/she will be redirect to the proper document without any log on to the system.

This requirement has been achieved but there is a problem since the value of URL parameter is sent directly without any encryption.

Below is example of URL that sent in email:

http://***/sap/crm_logon/default.htm?crm-object-type=BT115Q_SLSQ&crm-object-action=B&crm-object-value=0005000023&crm-object-keyname=OBJECT_ID&thtmlbSliderState=HIDDEN&sap-user=***&sap-password=***

Is it possible to encrypt the value for URL Parameter such as User ID and Password in SAP CRM?

Please advise.

Thanks in advance.

Regards

Eddhie Kurnianto