Senin, 16 November 2009

communication in the Internet security with SSL ( secure socket layer)
SSL (Secure Socket layer) is the standard method used to secure the communication process on the internet.
especially on the activities browsers browsing the website.
by using ssl, the data that is sent between the server with the client computer's browser is encrypted using PKI (Public key Infrastucture).
so if there are parties who do not infiltrate responsible for stealing data sent, the intruder will not be able to use messages that are encrypted.
SSL is usually used to send data that is important and confidential.
such as credit card numbers for transasi E-commerce, personal data for banking transactions.
SSL is used freely to anyone, even supported by the two major browsers, namely Netscape Navigator and microsoft Internet Explorer.

CERTIFICATION AUTHORITY

certification authority is an organization that has the authority to distribute digital certificates to the parties that need. CA also routinely examine the parties, whether they are feasible given a digital certificate. person or body to get a digital certificate if already signed up to thecertificate authority.
issues important enough for the certificate authority is how to ensure that digital certificates are actually booked into the hands of people who have the right.
CA certificate not only publish, but also check whether a digital certificate is still valid or tisak. certificate authority other than a list of digital certificates that have been published, also has what is called a list of revoked certificates (certificate revocation list / CRL).
List of certificates canceled (DSB) that contains certificates anything that is no longer valid because of stolen, lost or change of identity (such as changes in the electronic mail address and home address). Each time a party who wants to check the digital certificate, he can contact an online certificate authority
to ensure that it receives setifikat still valid. the more the canceled certificate, certificate of authority will be overwhelmed and will slow the process of checking the digital certificate you want to be tested properly. in the digital certificate is the expiration date








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