1 files changed, 23 insertions, 0 deletions
diff --git a/src/libsystemd-basic/include/systemd-basic/siphash24.h b/src/libsystemd-basic/include/systemd-basic/siphash24.h
new file mode 100644
index 0000000000..54e2420cc6
--- /dev/null
+++ b/src/libsystemd-basic/include/systemd-basic/siphash24.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+struct siphash {
+        uint64_t v0;
+        uint64_t v1;
+        uint64_t v2;
+        uint64_t v3;
+        uint64_t padding;
+        size_t inlen;
+};
+
+void siphash24_init(struct siphash *state, const uint8_t k[16]);
+void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
+#define siphash24_compress_byte(byte, state) siphash24_compress((const uint8_t[]) { (byte) }, 1, (state))
+
+uint64_t siphash24_finalize(struct siphash *state);
+
+uint64_t siphash24(const void *in, size_t inlen, const uint8_t k[16]);