1 files changed, 9 insertions, 4 deletions

diff --git a/src/microhttpd/sha256.h b/src/microhttpd/sha256.h
index 8feb52fe..192f906a 100644
--- a/src/microhttpd/sha256.h
+++ b/src/microhttpd/sha256.h
@@ -1,6 +1,6 @@
 /*
      This file is part of libmicrohttpd
-     Copyright (C) 2019-2021 Karlson2k (Evgeny Grin)
+     Copyright (C) 2019-2022 Evgeny Grin (Karlson2k)
 
      This library is free software; you can redistribute it and/or
      modify it under the terms of the GNU Lesser General Public
@@ -69,12 +69,17 @@
  */
 #define SHA256_BLOCK_SIZE (SHA256_BLOCK_SIZE_BITS / 8)
 
+/**
+ * Size of single processing block in bytes
+ */
+#define SHA256_BLOCK_SIZE_WORDS (SHA256_BLOCK_SIZE_BITS / SHA256_WORD_SIZE_BITS)
+
 
 struct Sha256Ctx
 {
-  uint32_t H[_SHA256_DIGEST_LENGTH];    /**< Intermediate hash value / digest at end of calculation */
-  uint8_t buffer[SHA256_BLOCK_SIZE];    /**< SHA256 input data buffer */
-  uint64_t count;                       /**< number of bytes, mod 2^64 */
+  uint32_t H[_SHA256_DIGEST_LENGTH];        /**< Intermediate hash value / digest at end of calculation */
+  uint32_t buffer[SHA256_BLOCK_SIZE_WORDS]; /**< SHA256 input data buffer */
+  uint64_t count;                           /**< number of bytes, mod 2^64 */
 };
 
 /**