Integer factorization as subset-sum problem
This paper elaborates on a sieving technique that has first been applied in 2018 for improving bounds on deterministic integer factorization. We will generalize the sieve in order to obtain a polynomial-time reduction from integer factorization to a specific instance of the multiple choice subset-su...
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| Vydané v: | Journal of number theory Ročník 249; s. 93 - 118 |
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| Hlavný autor: | |
| Médium: | Journal Article |
| Jazyk: | English |
| Vydavateľské údaje: |
Elsevier Inc
01.08.2023
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| Predmet: | |
| ISSN: | 0022-314X, 1096-1658 |
| On-line prístup: | Získať plný text |
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| Shrnutí: | This paper elaborates on a sieving technique that has first been applied in 2018 for improving bounds on deterministic integer factorization. We will generalize the sieve in order to obtain a polynomial-time reduction from integer factorization to a specific instance of the multiple choice subset-sum problem. As an application, we will improve upon special purpose factorization algorithms for integers composed of divisors with small difference. In particular, we will refine the runtime complexity of Fermat's factorization algorithm by a large subexponential factor. Our first procedure is deterministic, rigorous, easy to implement and has negligible space complexity. Our second procedure is heuristically faster than the first, but has non-negligible space complexity. |
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| ISSN: | 0022-314X 1096-1658 |
| DOI: | 10.1016/j.jnt.2023.02.010 |