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Cryptography Basics for the Aspiring Hacker

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Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our  actions  and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be able to crack passwords and encrypted protocols such as SSL and wireless, you need to at least be familiar with the concepts and terminology of cryptography and encryption. To many new hackers, all the concepts and terminology of cryptography can be a bit overwhelming and opaque. Cryptography is the science and art of hiding messages so that they are confidential, then "unhiding" them so that only the intended recipient can read them. Basically, we can say that cryptography is the science of secret messaging. With this brief overview for the newcomer, I hope to lift the fog that shrouds this subject and shed a tiny bit of light on cryptography. I intend this simply to be a quick and cursory overv

How to Find the Exact Location of Any IP Address

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Welcome back, my tenderfoot hackers! Have you ever wondered where the  physical  location of an IP address is? Maybe you want to know if that proxy server you are using is  actually  out of your local legal jurisdiction. Or, maybe you have the IP address of someone you are corresponding with and want to make certain they are where they say they are. Or, maybe you are a forensic investigator tracking down a suspect who wrote a threatening email or hacked someone's company. Now you can find the location of that IP address without a subpoena or search warrant. A company called  MaxMind  maintains a database of the location of every IP address on the planet complete with GPS coordinates, area code, zip code, and country. This database is not in a typical relational database format, but rather in a flat file. MaxMind charges a $370 site license and $90/month (or $1360/year) for updates to this database. Their software has a beautiful front end that makes querying the database ea