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  • Implementing secure transactions via the TLS/SSL protocol
  • Transactions secured by TLS/SSL in a WEBDEV site
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17. TLS/SSL: Encrypting information on the Web
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By default, the data exchanged between the computer of Web user and the Web server is not encrypted. The authenticity of the server identity, the confidentiality and the integrity of exchanged data are not guaranteed.
To insure confidentiality, the most used method is the TLS/SSL protocol (Transport Layer Security, formerly Secure Socket Layer). This protocol guarantees the identity of accessed server and it encrypts the data exchanged between the server and the browser.
Implementing secure transactions via the TLS/SSL protocol
To implement secure transactions via the TLS/SSL protocol, you must comply with all the requirements linked to this protocol (purchase of a certified SSL key from a specific organization or generation of a self-signed key for private use or for test). See the WEBDEV online help for more details.
Transactions secured by TLS/SSL in a WEBDEV site
In most cases, only the transfer of sensitive data must be secured: transferring a credit card number for example. Indeed, the secure mode is slower. However, an increasing number of sites entirely operate in TLS/SSL mode via the more powerful computers, insuring a better confidentiality for the user operations.
The secured mode is implemented when opening a new page via a button (or a link). All you have to do is call SSLActive in the browser code of the button (or link).. As soon as the secure page is opened, all the actions will be performed in secure mode (which means encrypted).
To go back to non-secure mode, all you have to do is use SSLActive(False) in the browser code of a button (or link) used to open a new page.
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