From: Chris Duncan <chris@zoso.dev>
Date: Sat, 9 Aug 2025 07:30:35 +0000 (-0700)
Subject: Fix BIP-44 ckd using SLIP-0010 which only defines hardened addresses at all levels... 
X-Git-Tag: v0.10.5~41^2~150
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=639ae3b9cd60dda213f86e2b3a34431c7155b2b6;p=libnemo.git

Fix BIP-44 ckd using SLIP-0010 which only defines hardened addresses at all levels, deviating from BIP-44.
---

diff --git a/src/lib/crypto/bip44.ts b/src/lib/crypto/bip44.ts
index 81c4823..59210ba 100644
--- a/src/lib/crypto/bip44.ts
+++ b/src/lib/crypto/bip44.ts
@@ -31,9 +31,9 @@ export class Bip44 {
 		const coinKey = await this.CKDpriv(purposeKey, coin + HARDENED_OFFSET)
 		const accountKey = await this.CKDpriv(coinKey, account + HARDENED_OFFSET)
 		if (chain == null) return accountKey.privateKey
-		const chainKey = await this.CKDpriv(accountKey, chain)
+		const chainKey = await this.CKDpriv(accountKey, chain + HARDENED_OFFSET)
 		if (address == null) return chainKey.privateKey
-		const addressKey = await this.CKDpriv(chainKey, address)
+		const addressKey = await this.CKDpriv(chainKey, address + HARDENED_OFFSET)
 		return addressKey.privateKey
 	}