1 files changed, 36 insertions, 0 deletions
diff --git a/lib/isc/include/isc/siphash.h b/lib/isc/include/isc/siphash.h
new file mode 100644
index 0000000..69d4742
--- /dev/null
+++ b/lib/isc/include/isc/siphash.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file isc/siphash.h */
+
+#pragma once
+
+#include <isc/lang.h>
+#include <isc/types.h>
+
+#define ISC_SIPHASH24_KEY_LENGTH 128 / 8
+#define ISC_SIPHASH24_TAG_LENGTH 64 / 8
+
+#define ISC_HALFSIPHASH24_KEY_LENGTH 64 / 8
+#define ISC_HALFSIPHASH24_TAG_LENGTH 32 / 8
+
+ISC_LANG_BEGINDECLS
+
+void
+isc_siphash24(const uint8_t *key, const uint8_t *in, const size_t inlen,
+	      uint8_t *out);
+void
+isc_halfsiphash24(const uint8_t *key, const uint8_t *in, const size_t inlen,
+		  uint8_t *out);
+
+ISC_LANG_ENDDECLS