Is there some means by which I could derive symmetric keys using bitcoin public keys or HD Wallet public key which I have shared with a second user.


You can use Elliptic Curve Diffie-Hellman, assuming you have the public keys, and not just addresses. Bitcoin addresses are derived from public keys, not public keys themselves, so you'd be required to share the raw public keys.

Here's another resource, which links to a python example creating a shared symmetric key with the secp256k1 curve used by Bitcoin.

| improve this answer | |

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.