How to encrypt a dat file, and if dat file is encrypted then how to find it and how to decrypt?

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I have a Dat file and i have to encrypt it, And i have encrypted dat file, So, i need to know which type of encryption that dat file encrypted, And i need to know how to decrypt dat file..?

What I have tried:

I searched, But i didnt found anything.. so, plz help me

Posted 7-Nov-17 2:09am

Member 13507957

Updated 7-Nov-17 10:31am

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Dave Kreskowiak 7-Nov-17 9:02am

Are you saying that you have no idea how you encrypted the file? There is nothing you can do to determine how the file was encrypted or the keys used.

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Mehdi Gholam · Answer 1 · 2017-11-07T02:17:00

Solution 1

Start here : Cryptography — The Hitchhiker's Guide to Python[^]

Posted 7-Nov-17 2:17am

Mehdi Gholam

Patrice T · Answer 2 · 2017-11-07T10:31:00

Quote:
I searched, But i didnt found anything.. so, plz help me

You need to search better and study.
Cryptography - Wikipedia[^]

Quote:
So, i need to know which type of encryption that dat file encrypted,

If you did the encryption, you should know how you did it, the method and the key.

Quote:
And i need to know how to decrypt dat file..?

For every encryption method, there is a matching decryption method. And for every encryption key, there is a unique decryption key.

The main principle of encryption is to make decryption as difficult as possible for anyone that don't have the decryption key and method.