Bouncy Castle ECDSA implementation

Question

Bouncy Castle ECDSA implementation

Opened this issue 6 months ago · 2 comments

The initial goal for the Bouncy Castle ECDSA Implementation should be for the Ecdsa.{java,kt} examples to work properly.

Answer 1 · 2024-04-29T05:52:17.000Z

This is now a subtask of bitcoinj/bitcoinj#3389

Answer 2 · 2024-04-30T05:02:16.000Z

The bulk of (the first step) of this work is implementing the following two functions from the Ecdsa.java example:

secp.ecdsaSign(msg_hash, privKey)
secp.ecdsaVerify(sig, msg_hash, pubkey)

These functions use secp256k1-jdk types (which are subclasses of java.security types) and should be implemented as (hopefully thin) wrappers on top of existing Bouncy Castle ECDSA functionality.