From 0cfaa0da0a8f6a3fb4740a3fd5e5a579fb6aa19f Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Fri, 17 Nov 2023 09:27:10 -0300
Subject: [PATCH] ensure private key is 64 characters long.

fixes https://github.com/nbd-wtf/go-nostr/issues/111
---
 keys.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/keys.go b/keys.go
index b0e8c97..a070246 100644
--- a/keys.go
+++ b/keys.go
@@ -3,6 +3,7 @@ package nostr
 import (
 	"crypto/rand"
 	"encoding/hex"
+	"fmt"
 	"io"
 	"math/big"
 	"strings"
@@ -25,7 +26,7 @@ func GeneratePrivateKey() string {
 	k.Mod(k, n)
 	k.Add(k, one)
 
-	return hex.EncodeToString(k.Bytes())
+	return fmt.Sprintf("%064x", k.Bytes())
 }
 
 func GetPublicKey(sk string) (string, error) {