Definition ∞ The Ring SIS Assumption, or Ring Short Integer Solution assumption, is a hard mathematical problem foundational to certain lattice-based cryptographic schemes. It postulates the difficulty of finding a short non-zero vector in the kernel of a matrix over a polynomial ring. This assumption provides the security basis for these cryptographic constructions.
Context ∞ The Ring SIS Assumption is a significant topic in discussions surrounding post-quantum cryptography, which is increasingly relevant in crypto news as researchers prepare for potential quantum computer threats. Cryptographic systems built upon this assumption are considered candidates for resisting attacks from quantum algorithms. Its reliability is key to developing future-proof digital asset security.
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