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Implement soft hierarchical key derivation #51

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lukateras opened this issue Jan 19, 2020 · 0 comments
Open

Implement soft hierarchical key derivation #51

lukateras opened this issue Jan 19, 2020 · 0 comments

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@lukateras
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holo-key-derivation.png

By leveraging Tor's key derivation scheme, we can allow anyone who knows root public key to derive children public keys without knowledge of any secret keys.

This enables purpose-separated keys, which eliminates any chance of cross-application signature reuse attacks.
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@lukateras