Courts have found click-wrap enforceable, as long as the text stating the conditions is displayed reasonably prominently. In order to avoid an argument that a user clicked through by accident, it would be prefereable to require at least two clicks. Certificate A digital document designed to address several security issues including authentication and non-repudiation when executing business transactions via the Internet. The certificate contains information about the certification authority, the owners of the certificate, a public key, the period the certificate is valid for, and the host the certificate was issued to. The token is designed is such a way that none of its details can be changed without invalidating the digital signature.
Digital certificates are to be built into Web browsers and virtual wallets.
Copyright A legal right to exclude others from copying your work. Your Copyright work is protected in the UK under the Copyright Designs and Patents Act 1988. Copyright law can present complex ownership and licencing issues. A system for encrypting and decrypting data is a cryptosystem. The resulting output is know as ciphertext.