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Paper 2020/074
Rolling up sleeves when subversion's in a field?
Daniel R. L. Brown
Abstract
A nothing-up-my-sleeve number is a cryptographic constant, such as a field size in elliptic curve cryptography, with qualities to assure users against subversion of the number by the system designer. A number with low Kolmogorov descriptional complexity resists being subverted to the extent that the speculated subversion would leave a trace that cannot be hidden within the short description. The roll programming language, a version of Godel's 1930s definition of computability, can somewhat objectively quantify low descriptional complexity, a nothing-up-my-sleeve quality, of a number. For example, $(2^{127}-1)^2$ and $2^{255}-19$ can be described with roll programs of 58 and 84 words.
Metadata
- Available format(s)
- Category
- Foundations
- Publication info
- Preprint. MINOR revision.
- Keywords
- Kolmogorov descriptional complexitysubversion
- Contact author(s)
- danibrown @ blackberry com
- History
- 2020-12-15: revised
- 2020-01-26: received
- See all versions
- Short URL
- https://ia.cr/2020/074
- License
-
CC BY