Encryption Algo Needed

i want to encrypt a particular file in such a way that it should get decrypted only on my pc...i.e i need sum encryption algorithm which will retrieve processor number or physical address at runtime and use it as key......the algo should preferably in C,C++

Hi,

Putting together an encryption algorithm is not very difficult to do but I would be a bit concerned about tying it to one particular machine. What happens if that machine stops working?

I think you would be much better off encrypting with something like GnuPG - this would give you the advantage of a very difficult code to crack (i.e. virtually impossible), access to your data restricted to just yourself no matter which machine you're using, and it's more future proof too (i.e. you won't need to go looking for your custom built decryption algorithm in the future - you can just download GnuPG again).

If it's a file you use/modify quite regularly you could make an encrypted virtual partition which you mount when you want access to the data.

HTH, Hooper.

Hi,

Putting together an encryption algorithm is not very difficult to do but I would be a bit concerned about tying it to one particular machine. What happens if that machine stops working?

I think you would be much better off encrypting with something like GnuPG - this would give you the advantage of a very difficult code to crack (i.e. virtually impossible), access to your data restricted to just yourself no matter which machine you're using, and it's more future proof too (i.e. you won't need to go looking for your custom built decryption algorithm in the future - you can just download GnuPG again).

If it's a file you use/modify quite regularly you could make an encrypted virtual partition which you mount when you want access to the data.

HTH, Hooper.
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can u give me an algorithm rather code for that GnuPG? coz i dont want any software to do this work...i want a code..its a part of my project...so if possible plz provide me the code and sume guidelines....note: i want to run that code in opensuse 10.3.

When you say part of your project what do you mean? Is this a college assignment or something?

Hooper.

When you say part of your project what do you mean? Is this a college assignment or something?

Hooper.
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yeah..so can u help