Merge pull request #42 from tnull/2025-09-switch-to-rust-bitcoin-chacha20poly1305

Switch to use `rust-bitcoin`'s  `ChaCha20Poly1305`

Author: tnull

Cargo.toml

@@ -29,6 +29,7 @@ serde = { version = "1.0.196", default-features = false, features = ["serde_deri
 serde_json = { version = "1.0.113", default-features = false, optional = true }
 
 bitcoin_hashes = "0.14.0"
+chacha20-poly1305 = "0.1.2"
 
 [target.'cfg(genproto)'.build-dependencies]
 prost-build = { version = "0.11.3" }