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-rw-r--r--src/liblzma/check/sha256.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/src/liblzma/check/sha256.c b/src/liblzma/check/sha256.c
index 6feb342..bd0d280 100644
--- a/src/liblzma/check/sha256.c
+++ b/src/liblzma/check/sha256.c
@@ -1,24 +1,17 @@
+// SPDX-License-Identifier: 0BSD
+
///////////////////////////////////////////////////////////////////////////////
//
/// \file sha256.c
/// \brief SHA-256
-///
-/// \todo Crypto++ has x86 ASM optimizations. They use SSE so if they
-/// are imported to liblzma, SSE instructions need to be used
-/// conditionally to keep the code working on older boxes.
//
-// This code is based on the code found from 7-Zip, which has a modified
-// version of the SHA-256 found from Crypto++ <https://www.cryptopp.com/>.
-// The code was modified a little to fit into liblzma.
+// The C code is based on the public domain SHA-256 code found from
+// Crypto++ Library 5.5.1 released in 2007: https://www.cryptopp.com/
+// A few minor tweaks have been made in liblzma.
//
-// Authors: Kevin Springle
-// Wei Dai
-// Igor Pavlov
+// Authors: Wei Dai
// Lasse Collin
//
-// This file has been put into the public domain.
-// You can do whatever you want with this file.
-//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"