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#The guaridian project or the tor project code18The first generation of the open source code was made available in July 1996. Syverson a mathematician, and by Michael G. ![]() The principle of onion routing was created by the United States Naval Research Laboratory (“USNRL”) on May 31, 1996, at the first Information Hiding Workshop held in Cambridge, UK. 15The advertised primary advantage of Tor is that personal anonymity is preserved while providing users with an efficient and effective alternative to the current state of Internet surveillance. Tor seems to be a viable alternative to the Internet in its current form for individuals and organization, legal or otherwise, that desire to remain anonymous. The purpose of this paper is to briefly review its history, describe how it works, discuss how it is currently employed, and then highlight its strengths and weaknesses in an attempt to answer how Tor is used by government agencies in conducting investigations. 13A variety of organizations have funded Tor, but the majority of the monies originates from the United States federal government via the Office of Naval Research (“ONR”) and the Defense Advanced Research Projects Agency (“DARPA”). 12In the past, the National Security Agency (“NSA”) attempted to de-anonymize a user using its XKeyscore (“XKS”) system (codenamed “EgotisticalGiraffe”), where an email message, a telephone call, or web traffic can be monitored anywhere in the world without first obtaining a warrant. 11The advantage of employing the onion methodology is that network surveillance cannot trace a packet backward to its source. 10When a packet arrives at the relay just before the destination, the final encrypted layer is decoded, and the packet is sent to its destination. ![]() 9This encryption is accomplished many times, where each relay or server in the Tor network decrypts the outermost layer so that it can send the remaining encrypted packet along to the next relay. 8 Tor not only encrypts the data but also the IP address of the next destination node. 7 When processing a packet using onion routing, it is as if the Internet communication protocol is peeling the layers of an onion. Onion routing is accomplished by creating by encrypting the data in the application layer of its communication protocol. #The guaridian project or the tor project full5Some websites limit the ability of a user to use the full capability of a site. 4Tor does not preclude an online service provider from figuring out when one is employing Tor to access the facility, and it does not disguise itself so that an Internet service provider does not know when a person is using Tor. 3By employing Tor, it may be difficult, and sometimes impossible, to associate Internet activity with a particular person, including when one displays a specific website, posts a message online, sends an email message, etc. ![]() 2It consists of over seven thousand relays that hide an individual’s whereabouts and usage from others that are attempting to analyze the flow of data on the Internet. 1Tor guides Internet traffic through a global network that is both free and administered by volunteers. #The guaridian project or the tor project softwareThe Onion Router, or Tor as it is more commonly known, is free software that supports anonymous communication on the Internet. ![]()
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