Can a Bitcoin (secp256k1) key be converted to a Ed25519 (Tor v3) key?

by Kristopher Ives   Last Updated February 27, 2019 04:27 AM

If I have secp256k1 keypair that is widely known, like a Bitcoin address, can I convert that into a Ed25519 key pair such that someone could access a .onion address in a deterministic way?

Tags : tor secp256k1

Answers 1

The bitcoin key could sign a message containing the onion address. There isn't any way to do this without the key holder producing a message.

G. Maxwell
G. Maxwell
February 27, 2019 04:13 AM

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