From b2cc3bcb369b163e31b3f34608878be7f9410a64 Mon Sep 17 00:00:00 2001
From: Andrew Kozlik <andrew.kozlik@gmail.com>
Date: Wed, 21 Apr 2021 11:52:32 +0200
Subject: [PATCH] fix(crypto): Fix incorrect handling of empty input in
 blake256_Update().

---
 crypto/blake256.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/crypto/blake256.c b/crypto/blake256.c
index d5f068404..a7cb843c1 100644
--- a/crypto/blake256.c
+++ b/crypto/blake256.c
@@ -169,9 +169,8 @@ void blake256_Update( BLAKE256_CTX *S, const uint8_t *in, size_t inlen )
   {
     memcpy( ( void * ) ( S->buf + left ),   \
             ( void * ) in, ( size_t ) inlen );
-    S->buflen = left + ( int )inlen;
   }
-  else S->buflen = 0;
+  S->buflen = left + inlen;
 }