From 284b6777b28089d0b22ed7c4301a22cc6c85e4d6 Mon Sep 17 00:00:00 2001
From: majorpakhom <majorpakhom@gmail.com>
Date: Thu, 14 Jan 2021 17:03:11 +0300
Subject: [PATCH] fix(vanitygen): base32 alphabet for check_prefix

Only [a-z2-7] characters are allowed in base32.
---
 vanitygen.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vanitygen.cpp b/vanitygen.cpp
index 1d65f8f..982d09d 100644
--- a/vanitygen.cpp
+++ b/vanitygen.cpp
@@ -73,7 +73,7 @@ static bool check_prefix(const char * buf)
 	unsigned short size_str=0;
 	while(*buf)
 	{
-		if(*buf < 48 || (*buf > 57 && *buf < 65) || (*buf > 64 && *buf < 94) || *buf > 125 || size_str > 52)
+		if(!((*buf > 49 && *buf < 56) || (*buf > 96 && *buf < 123)) || size_str > 52)
 			return false;
 		size_str++;
 		buf++;