Unconditionally secure non-malleable secret sharing and circular external difference families
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Date
2024-04
Publication Type
Journal Article
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yes
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Abstract
Various notions of non-malleable secret sharing schemes have been considered. In this paper, we review the existing work on non-malleable secret sharing and suggest a novel game-based definition. We provide a new construction of an unconditionally secure non-malleable threshold scheme with respect to a specified relation. To do so, we introduce a new type of algebraic manipulation detection code and construct examples of new variations of external difference families, which are of independent combinatorial interest.
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published
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Journal / series
Volume
92 (4)
Pages / Article No.
941 - 956
Publisher
Springer
Event
Edition / version
Methods
Software
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Date collected
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Subject
Secret sharing; Threshold scheme; Difference family; Circular difference family
Organisational unit
09653 - Paterson, Kenneth / Paterson, Kenneth