SERVER-39893 Implement AEAD_AES_256_CBC_HMAC_SHA_512

1 files changed, 60 insertions, 0 deletions

diff --git a/src/mongo/crypto/sha512_block.h b/src/mongo/crypto/sha512_block.h
new file mode 100644
index 00000000000..af8350d19e3
--- /dev/null
+++ b/src/mongo/crypto/sha512_block.h
@@ -0,0 +1,60 @@
+/**
+ *    Copyright (C) 2019-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#pragma once
+
+#include "mongo/crypto/sha_block.h"
+
+#include "mongo/util/make_array_type.h"
+
+namespace mongo {
+
+/**
+ * A Traits type for adapting SHABlock to sha512 hashes.
+ */
+struct SHA512BlockTraits {
+    using HashType = MakeArrayType<std::uint8_t, 64, SHA512BlockTraits>;
+
+    static constexpr StringData name = "SHA512Block"_sd;
+
+    static HashType computeHash(std::initializer_list<ConstDataRange> input);
+
+    static void computeHmac(const uint8_t* key,
+                            size_t keyLen,
+                            std::initializer_list<ConstDataRange> input,
+                            HashType* const output);
+
+    static HashType computeHmac(const uint8_t* key,
+                                size_t keyLen,
+                                std::initializer_list<ConstDataRange> input);
+};
+
+using SHA512Block = SHABlock<SHA512BlockTraits>;
+
+}  // namespace mongo