unikernel/duniverse/digestif/src-c/native/whirlpool.h

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+/* whirlpool.c - an implementation of the Whirlpool Hash Function.
+ *
+ * Copyright: 2009-2012 Aleksey Kravchenko <rhash.admin@gmail.com>
+ *
+ * Permission is hereby granted,  free of charge,  to any person  obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction,  including without limitation
+ * the rights to  use, copy, modify,  merge, publish, distribute, sublicense,
+ * and/or sell copies  of  the Software,  and to permit  persons  to whom the
+ * Software is furnished to do so.
+ *
+ * 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.  Use this program  at  your own risk!
+ *
+ * Documentation:
+ * P. S. L. M. Barreto, V. Rijmen, ``The Whirlpool hashing function,''
+ * NESSIE submission, 2000 (tweaked version, 2001)
+ *
+ * The algorithm is named after the Whirlpool Galaxy in Canes Venatici.
+ */
+#ifndef CRYPTOHASH_WHIRLPOOL_H
+#define CRYPTOHASH_WHIRLPOOL_H
+
+#include <stdint.h>
+
+struct whirlpool_ctx
+{
+	uint64_t sz;
+	uint8_t buf[64];
+	uint64_t h[8];
+};
+
+#define WHIRLPOOL_DIGEST_SIZE	64
+#define WHIRLPOOL_CTX_SIZE		sizeof(struct whirlpool_ctx)
+
+void digestif_whirlpool_init(struct whirlpool_ctx* ctx);
+void digestif_whirlpool_update(struct whirlpool_ctx* ctx, uint8_t *data, uint32_t len);
+void digestif_whirlpool_finalize(struct whirlpool_ctx* ctx, uint8_t *out);
+
+#endif