Contents
What is password authentication scheme?
Simple password authentication offers an easy way of authenticating users. In password authentication, the user must supply a password for each server, and the administrator must keep track of the name and password for each user, typically on separate servers.
What is password-based authentication with example?
For example, a server might require a user to type a name and password before granting access to the server. The server maintains a list of names and passwords; if a particular name is on the list, and if the user types the correct password, the server grants access.
Is there such thing as password based authentication?
Within password-based authentications there are various possibilities, each one having different implications on the security of the service and the privacy provided to its users. In Wikipedia ’s English entry there is a good initial categorization regarding this. Specifically, the alternatives are divided in: Simple transmission of the password.
What are the different types of password alternatives?
A password alternative is any sort of authentication protocol that doesn’t utilize a typical ID and key to grant users access. Going back to the three types of authentication, password alternatives often fall into possession or inheritance-based methods.
Why are passwords based on symmetric passwords important?
This property is important for authentication mechanisms based on passwords from which a symmetric password is derived, since the password cannot be expected to continue kept secure in the long term, and this could affect the security of the passwords that are generated from it. Protection against online attacks.
Which is the most extended mechanism for online authentication?
The use of passwords is still the most extended mechanism for online authentication. This is understandable, given that the only requirement is for everyone to remember their username and password, instead of the inconvenience of having to carry a digital certificate, USB token, intelligent card, specialized hardware or software, etc.