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+/*
+ * Copyright (c) 2022 Ribose Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef CRYPTO_HASH_SHA1CD_HPP_
+#define CRYPTO_HASH_SHA1CD_HPP_
+
+#include "hash.hpp"
+#include "sha1cd/sha1.h"
+
+namespace rnp {
+class Hash_SHA1CD : public Hash {
+ private:
+ SHA1_CTX ctx_;
+
+ Hash_SHA1CD();
+ Hash_SHA1CD(const Hash_SHA1CD &src);
+
+ public:
+ virtual ~Hash_SHA1CD();
+
+ static std::unique_ptr<Hash_SHA1CD> create();
+ std::unique_ptr<Hash> clone() const override;
+
+ void add(const void *buf, size_t len) override;
+ size_t finish(uint8_t *digest = NULL) override;
+};
+
+} // namespace rnp
+#endif