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Encrypt a file


cmike

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Hi all

I wonder if somebody could give me some guidance on this.

 

I manage a website programmed in PHP and having MySQL backend. Recently some of my clients raised concerns about the security of their data. It is not credit card information or so, however I would like to sort it out.

 

I have a button on the web site which the clients click to tell me that their data should now be analysed and a report sent to them. My php program pulls out the records for this particular user and writes them into an excel file on my web space(on a shared hosting). The same php program then attaches this excel file to an email and sent it to me.

 

I want to make sure that this data in the excel file is securely transmitted during the above process.

 

Any help would be much appreciated.

 

Carol

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