Defending against factoring by collision
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United States of America Patent
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Mar 8, 2016
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N/A
app pub date -
Jun 27, 2012
filing date -
Jun 27, 2012
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Abstract
An improved technique involves combining a random seed with unique identifying information to form an input into a RNG. Along these lines, a key pair generator obtains a primary random seed through an interaction with a random process from a web server on which the key pair generator runs. Before putting the primary random seed into a RNG, however, the key pair generator obtains a web domain name that uniquely identifies the web server. The key pair generator concatenates the web domain name, the primary random seed, and an epoch time to produce a secondary random seed. The key pair generator inputs the secondary random seed into the RNG, obtains a large integer output, and finds a first prime factor of a modulus of the public key near the large integer through a search technique.
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