no valid authentication send key available on interface

Previous wordsThe basic certification described in the previous article is convenient and flexible, but extremely unsafe. The user name and password are transmitted in clear text, and no action is taken to prevent tampering with the message. The

BackgroundBefore we start, let's have a general overview of the SSH protocol, which is more useful for our understanding of this article. The first thing to mention is the computer network protocol, the so-called computer network protocol, the

OverviewBecause the project involved user authentication and authorization , so a good summary of this piece.Certifications and authorizationsIn general, we say that the authentication mainly refers to the user login authentication ; Generally we

  Public key cryptography system and RSA public key algorithm Abstract: This article briefly introduces the ideas and features of the public key cryptography system, and introduces the theoretical basis, working principle and implementation process

Users often need to restrict access to certain important files or information when they design and maintain a site. In general, we can adopt a user authentication mechanism built into the HTTP protocol of the Web. When a visitor browses a protected

Users often need to restrict access to certain important files or information when they design and maintain a site.  In general, we can adopt the HTTP protocol-based user authentication mechanism built into the Web server. When a visitor browses a

Users often need to restrict access to certain important files or information when they design and maintain a site. In general, we can adopt the HTTP protocol-based user authentication mechanism built into the Web server. When a visitor browses a

When a visitor browses a protected page, the client browser pops up a dialog window asking the user to enter a user name and password to verify the user's identity to determine whether the user has access to the page. The following two methods are

HTTPS is often used in our development of communication encryption technology, can effectively protect our network access security, this article mainly explains the configuration of one-way and two-way https. About the implementation of the

Tag: Send request with date War ARC error message security blank numberhttp://blog.csdn.net/utilc/article/details/50495830The communication interface between the app and the server is well designed, and there are a lot of places to think about, and