From: Chris Duncan <chris@zoso.dev>
Date: Tue, 3 Dec 2024 22:34:26 +0000 (-0800)
Subject: Remove secret key derivation from NanoNaCl since it's not applicable to Nano.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=a1891d22fc89e7a29e0c74652f9c81aee5c8182f;p=libnemo.git

Remove secret key derivation from NanoNaCl since it's not applicable to Nano.
---

diff --git a/src/lib/nano-nacl.ts b/src/lib/nano-nacl.ts
index d3d84c0..4679023 100644
--- a/src/lib/nano-nacl.ts
+++ b/src/lib/nano-nacl.ts
@@ -813,10 +813,8 @@ const n = () => {
 		checkArrayTypes(seed)
 		if (seed.length !== crypto_sign_SEEDBYTES)
 			throw new Error('bad seed size')
-		const pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES)
-		const sk = new Uint8Array(crypto_sign_SECRETKEYBYTES)
-		for (let i = 0; i < 32; i++) sk[i] = seed[i]
 
+		const pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES)
 		const p = [gf(), gf(), gf(), gf()]
 
 		const hash = new Blake2b(64).update(seed).digest()
@@ -827,9 +825,7 @@ const n = () => {
 		scalarbase(p, hash)
 		pack(pk, p)
 
-		for (let i = 0; i < 32; i++) sk[i + 32] = pk[i]
-
-		return { publicKey: pk, secretKey: sk }
+		return { publicKey: pk }
 	}
 
 	return { sign, open, detached, verify, keyPair }