From bd799ed55f7140c51908a78d3acb1d8e9e900389 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Thu, 7 Aug 2025 19:40:44 -0700
Subject: [PATCH] Remove deprecated separate blake ckd file.

---
 src/lib/blake2b-ckd.ts | 27 ---------------------------
 src/lib/safe.ts        |  2 --
 2 files changed, 29 deletions(-)
 delete mode 100644 src/lib/blake2b-ckd.ts

diff --git a/src/lib/blake2b-ckd.ts b/src/lib/blake2b-ckd.ts
deleted file mode 100644
index d498981..0000000
--- a/src/lib/blake2b-ckd.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-//! SPDX-FileCopyrightText: 2025 Chris Duncan <chris@zoso.dev>
-//! SPDX-License-Identifier: GPL-3.0-or-later
-
-import { Blake2b } from './blake2b'
-
-/**
-* Derives account private keys from a wallet seed using the BLAKE2b hashing
-* algorithm.
-*
-* Separately, account public keys are derived from the private key using the
-* Ed25519 key algorithm, and account addresses are derived from the public key
-* as described in the Nano documentation.
-* https://docs.nano.org/integration-guides/the-basics/
-*
-* @param {ArrayBuffer} seed - 32-byte secret seed of the wallet
-* @param {number} index - 4-byte index of account to derive
-* @returns {ArrayBuffer} Private key for the account
-*/
-export class Blake2bCkd {
-	static ckd (seed: ArrayBuffer, index: number): ArrayBuffer {
-		const b = new ArrayBuffer(4)
-		new DataView(b).setUint32(0, index, false)
-		const s = new Uint8Array(seed)
-		const i = new Uint8Array(b)
-		return new Blake2b(32).update(s).update(i).digest().buffer
-	}
-}
diff --git a/src/lib/safe.ts b/src/lib/safe.ts
index 89a67b3..74a773b 100644
--- a/src/lib/safe.ts
+++ b/src/lib/safe.ts
@@ -7,7 +7,6 @@ import { parentPort } from 'node:worker_threads'
 import { Bip39Mnemonic } from './bip39'
 import { Bip44Ckd } from './bip44'
 import { Blake2b } from './blake2b'
-import { Blake2bCkd } from './blake2b-ckd'
 import { default as Constants, BIP44_COIN_NANO } from './constants'
 import { default as Convert, bytes, hex, utf8 } from './convert'
 import { Entropy } from './entropy'
@@ -534,7 +533,6 @@ export default `
 	const Bip39Mnemonic = ${Bip39Mnemonic}
 	const Bip44Ckd = ${Bip44Ckd}
 	const Blake2b = ${Blake2b}
-	const Blake2bCkd = ${Blake2bCkd}
 	const Entropy = ${Entropy}
 	const NanoNaCl = ${NanoNaCl}
 	const Safe = ${Safe}
-- 
2.47.3