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-rw-r--r--src/crypto/sha256_avx2.cpp4
-rw-r--r--src/crypto/sha256_sse41.cpp4
2 files changed, 8 insertions, 0 deletions
diff --git a/src/crypto/sha256_avx2.cpp b/src/crypto/sha256_avx2.cpp
index 90a72516a4..624bdb42e4 100644
--- a/src/crypto/sha256_avx2.cpp
+++ b/src/crypto/sha256_avx2.cpp
@@ -1,3 +1,7 @@
+// Copyright (c) 2017-2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
#ifdef ENABLE_AVX2
#include <stdint.h>
diff --git a/src/crypto/sha256_sse41.cpp b/src/crypto/sha256_sse41.cpp
index fc79f46f7f..4eaf7d7b18 100644
--- a/src/crypto/sha256_sse41.cpp
+++ b/src/crypto/sha256_sse41.cpp
@@ -1,3 +1,7 @@
+// Copyright (c) 2018-2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
#ifdef ENABLE_SSE41
#include <stdint.h>