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Modification of the prime generation method of the OpenSSL library
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Title  Modification of the prime generation method of the OpenSSL library 
Title of Series  Hacktivity 2015 
Part Number  07 
Number of Parts  29 
Author 
Tihanyi, Norbert

License 
CC Attribution 3.0 Germany: You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor. 
DOI  10.5446/18848 
Publisher  Hacktivity 
Release Date  2015 
Language  English 
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Subject Area  Computer Science 
Abstract  Random numbers are very important in many fields of computer science, especially in cryptography. One of the most important usages of pseudorandom number generators (PRNG) are is key generation methods for cryptographic purposes. In this presentation a modification of the prime generation method of the OpenSSL library will be presented. The modified version of the library passes every wellknown statistical tests (e.g NIST test, DIEHARD test), however while an adversary is still able to reconstruct the prime numbers (P,Q) from the public key. The method can be used for malicious purposes as a sophisticated backdoor. The presented research is based on the theory of kleptography and a recently published research paper. 
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