cybersecurity
Factoring "short-sleeve" RSA keys with polynomials
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blog.trailofbits.com 1 min read
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Researchers found real-world RSA keys with highly structured blocks of zero bits, making the moduli quickly factorable using a polynomial-based technique. They recovered 603 unique RSA keys and 74 DSA keys, tracing many to a CompleteFTP big-integer type mismatch affecting certain versions from 2016–2023, and added detection tools.
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