From c6ca89a8507bd9310c0c92c180525989629fb7d4 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Sat, 20 Dec 2014 00:49:14 +0100
Subject: [PATCH] simplify check in hdnode_from_xpub

---
 bip32.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/bip32.c b/bip32.c
index ae4ffc5b2..6af1b8840 100644
--- a/bip32.c
+++ b/bip32.c
@@ -33,8 +33,7 @@
 
 int hdnode_from_xpub(uint32_t depth, uint32_t fingerprint, uint32_t child_num, const uint8_t *chain_code, const uint8_t *public_key, HDNode *out)
 {
-	curve_point c;
-	if (!ecdsa_read_pubkey(public_key, &c)) { // invalid pubkey
+	if (public_key[0] != 0x02 && public_key[0] != 0x03) { // invalid pubkey
 		return 0;
 	}
 	out->depth = depth;