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encryption

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by wesley.chin

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Is there an encryption method that will work on all PCs? specifically, encrypt a file on one machine, and open it on another machine, without the installation of additional software.

6 replies

by robo_dev

Technically Windows has encryption built into its filesystem (EFS), but that really will not work.

by wesley.chin

I was aware about EFS, but it is only in XP Pro.

What do you mean that it "really will not work"?

by dumphrey

programs, and some programs that can installed on flash drives (truecrypt) that would allow you to move encrypted data around and open it on different machines either by insatlling the program on all machines, or by installing it on a flash drive and then using that on the machine in question.

Windows EFS is a weak encryption system that uses tokens/keys thata re tied toa users login to "transparently encrypt" a folder or file system. Access to the hard drive == password recovery. Password recovery == no EFS protection.

by cmiller5400

Each computer would need to have some sort of software on it in order to do what you want. Look at PGP.

by wesley.chin

I had a feeling that short of installing software, it would not be doable. I had heard of all of the software mentioned. TrueCrypt had seemed to be a viable solution, or for that matter anything that was open source. But then I thought of the scenario of getting the file on a flash drive and the machine not having internet connectivity.

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