From efdca85aec400d0e1d3edfd1b0917ccd63188d4d Mon Sep 17 00:00:00 2001
From: Eric Blankenhorn <eric@wolfssl.com>
Date: Mon, 14 Jul 2025 14:53:37 -0500
Subject: [PATCH] Fix blake2 final coverity issue

---
 wolfcrypt/src/blake2b.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wolfcrypt/src/blake2b.c b/wolfcrypt/src/blake2b.c
index 311d19148..a974c0931 100644
--- a/wolfcrypt/src/blake2b.c
+++ b/wolfcrypt/src/blake2b.c
@@ -356,7 +356,7 @@ int blake2b_final( blake2b_state *S, byte *out, byte outlen )
     }
 
     S->buflen -= BLAKE2B_BLOCKBYTES;
-    if ( S->buflen >= (BLAKE2B_BLOCKBYTES * 2) )
+    if ( S->buflen > BLAKE2B_BLOCKBYTES )
       return BAD_LENGTH_E;
     XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, (wolfssl_word)S->buflen );
   }