From 035522f8c742a0cfe3413570173da4818d6088dc Mon Sep 17 00:00:00 2001
From: Vasilij Schneidermann <address@hidden>
Date: Sun, 2 Jun 2019 18:08:16 +0200
Subject: [PATCH] Increment counter correctly for large len values

---
 sha1-base.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sha1-base.c b/sha1-base.c
index 545ac04..ca64e8c 100644
--- a/sha1-base.c
+++ b/sha1-base.c
@@ -134,7 +134,8 @@ SHA1Update(SHA1_CTX *context, const uint8_t *data, size_t len)
 
     j = context->count[0];
     if ((context->count[0] += len << 3) < j)
-	context->count[1] += (len>>29)+1;
+        context->count[1]++;
+    context->count[1] += len >> 29;
     j = (j >> 3) & 63;
     if ((j + len) > 63) {
 	i = 64 - j;
-- 
2.21.0