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About CAS

Purpose of CAS

Central authentication service is used to authenticate users by usernanme and password for:

Some applications require passwords with higher level of assurance, verified passwords (see below for password setup rules).

The purpose of CAS existence is to enable users to use the same username and password everywhere possible.

CAS Users
Any Charles University identity card holder can become CAS user, more specifically anyone who was assigned eight-digit personal number within information system, including study applicants.
What is username?

If you are not sure what your username is, user your personal number as printed on identity card below photograph.

How can I obtain password?

Initial passwords are generated for you at the card issuing offices. These password have limited lifetime and are valid for five days. You have to change initial password within before it expires.. If you fail to change the initial password before it expires, you will need to visit card issuing office to get a new one. Password obtained this way are considered verified.

You can have your password reset using this form. In case we know your phone number, we will verify your identity by sending you SMS message. We will trest this password as verified as well.

If we do not know your phone number, you can still have your password set after verifying your identity by entering selected personal data, however this method is considered less trustworthy and you will lose access to some applications.

Faculty of Science, Faculty of Mathematics and Physics and Faculty of Pharmacy in Hradec Králové do not permit this way of setting passwords and require verified password for their staff and students.

Have you forgotten your password?

If you forget your password, you can get a new one after we verify your identity using this form. The first method, which is available only if we know your phone number, is sending you SMS verification code. Alternative method, which will be used if we do not know your phone number, is to verify your identity by asking you for selected personal data. This other method however is considered less trustworthy and you will lose access to some applications.

To get full access to all applications you have to obtain new password by visiting card issuing office or contact person.

Do you need help?

If you need more information, please read our Frequently Asked Questions.