With J Public Key Cryptography Cliff Reiter Nicholas found a way to redirect copies of network printer traffic to his dorm room, where he selectively printed and sold exams to willing buyers. After visiting prison, he was hired as the network supervisor at Lackawanna University. Zoe and Yolanda work at Lackawanna and they don't trust Nick. They need to send confidential files to each other over the network. They don't want anyone, especially Nick, to know the content of the files. Remarkably, there seems to be a way for them to securely send confidential information across a network, even if a malicious eavesdropper has access to the network. One technique, commonly known as RSA Public Key Cryptography, is described by Rivest, Shamir and Adleman [3] and we will discuss it in this column. The technique involves making an encryption key publicly available. Computational considerations mean that having access to the encryption key does not provide access to the decryption key. The keys can be created on a local machine and hence the decryption key is never exposed to transmission over the insecure network. Rivest, Shamir and Adleman recognized that the technique would not only allow for the secure
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With J: public key cryptography
Reiter, Cliff
Follow ACM SIGAPL APL Quote Quad
, Volume 32 (2)
Association for Computing Machinery – Dec 1, 2001
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