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Thread: Basic Encryption

  1. #1
    Join Date
    Sep 2001

    Basic Encryption


    Author- Ennis

    Just a note, check out Negative's tutorial on Encryption, this is a very basic rough guide and I just posted it as I wrote it a long time ago and thought I'd put it up!

    Basic Encryption


    1=what is encryption?
    2=basics of encryption and decryption
    3=cryptography and pgp

    1. what is ENCRYPTION

    This text deals with encryption, what exactly it is and PGP, as well as how others can decrypt your encrypted files. Encryption is a very useful resource to the hacker that wants to keep his exploits private. By reading
    this text carefully you can safeguard your files from attacks.

    2. the basics of encryption and decryption

    Encryption means making a simple .txt file unreadable. when you write a simple .txt file it is in "plain text".
    however if you encrypt this file it becomes unreadable. Before a password is entered this text is known as cipher text. When however you decide to change this cipher text back into plain text it is called decryption.

    EG. ENCRYPTION-->turns text into
    CIPHER TEXT-->which can be changed by
    DECRYPTION-->into good ol'
    PLAIN TEXT-->you can now read your file..

    3. cryptography and PGP

    Cryptography is a mathematical science and well in the more english sense of the word is the uncovering or conversion of cipher-text.
    In maths it means to encrypt or decrypt data so maths is strongly associated with cryptography.
    It is possible to secure files so well it could take years and years to decrypt that is why encryption is so important on an insecure place such as the internet.
    One of the best encryption programs on the net is PGP [pretty good privacy].

    get it at:

    its features include compressing the file to save you space. it then creates what is known as a session key.
    This session key uses a private encryption algorithm that encrypts the file.
    The two keys ivolved the session key and the recipients key are encrypted together.

    PGP does not use normal passwords but long passphrases which can involve both lower, upper and number characters to deter dictionary attacks from password crackers.
    Most password crackers will not contain word-lists with such characters.

    4. security

    Encryption if used right can make your information unbreakable but there are
    ways in which its misuse can lead to succesful "cracks" on your private information.

    I will begin with trojans and virii

    If your computer became infected with a trojan the attacker may run a key logger [program that collects all your keystrokes and sends them to your attacker]. The attacker will then be able to see your passphrase, this may also occur with certain viruses.

    Next stupid passphrases/words
    A very obvious mistake made by people is a very simple password is used and the attacker simply guesses it. The whole encryption process is useless with these passphrases.
    Examples of bad passphrases include
    -your name
    -i love you
    -your area
    If someone is using a brute force attack on you such easy popular passwords will be included in some text file and they will achieve access.
    Try a long one with numbers as well as upper and lowercase letters.
    EG. d0Ntu53sTUp1dP4Ssw0rD5
    that type of stuff, something youll remember.
    BUT dont write it down on pieces of paper near you computer and
    or else if a hacker gets into one file hell get into every password protected file/site/e-mail account you have!

  2. #2
    hey Ennis, what a Good post!
    Just a note, check out Negative's tutorial on Encryption

    hey, Ennis you forgot to put the link to Neg's post

    it's me V-I-R-U-S

  3. #3
    Junior Member
    Join Date
    Aug 2001
    Very informative thanx Ennis

  4. #4
    Senior Member
    Join Date
    Jun 2002
    Ennis has left the building.

  5. #5
    Senior Member
    Join Date
    Nov 2001
    Ennis left AntiOnline a few months ago. :sniff:

  6. #6
    I'd rather be fishing DjM's Avatar
    Join Date
    Aug 2001
    The Great White North
    Wasn't the rumor, he would be back though?


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