From c07b429d22a2b75d8ea0d08a785e4ea17a5b546f Mon Sep 17 00:00:00 2001
From: Chong Yeol Nah <nahchongyeol@gmail.com>
Date: Mon, 15 May 2023 17:39:05 -0700
Subject: [PATCH] sha224: throw away the last 32 bits

---
 sha256.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sha256.cpp b/sha256.cpp
index 8f0857d..80674ea 100644
--- a/sha256.cpp
+++ b/sha256.cpp
@@ -374,7 +374,11 @@ std::string SHA256::getHash()
   // convert to hex string
   std::string result;
   result.reserve(2 * HashBytes);
+#ifdef SHA2_224_SEED_VECTOR
+  for (int i = 0; i < HashBytes - 4; i++)
+#else
   for (int i = 0; i < HashBytes; i++)
+#endif
   {
     static const char dec2hex[16+1] = "0123456789abcdef";
     result += dec2hex[(rawHash[i] >> 4) & 15];