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blog.cryptographyengineering.com | ||
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vitalik.eth.limo
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blog.trailofbits.com
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rot256.dev
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| | | | | This is the companion post to a tool, git-ring, that I recently released on Github. Github/Gitlab makes the public keys of its users publicly available (at github.com/USERNAME.keys and gitlab.com/USERNAME.keys), this means that these services bind the users identity to public keys via this endpoint. Git-ring "exploits" this to enable the creation of (cryptographic) proofs showing membership among a set of users (or organizations) without revealing the identity of the person generating the proof. The publ... | |
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nhigham.com
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| | | A $latex p$th root of an $latex n\times n$ matrix $LATEX A$ is a matrix $LATEX X$ such that $latex X^p = A$, and it can be written $latex X = A^{1/p}$. For a rational number $latex r = j/k$ (where $latex j$ and $latex k$ are integers), defining $latex A^r$ is more difficult: is... | ||
