nspawn: support ephemeral boots from images

[elogind.git] / src / basic / siphash24.h

diff --git a/src/basic/siphash24.h b/src/basic/siphash24.h
index 62e1168a798f222ff0b910d1a6acb4758b1bc825..54e2420cc6e94beea881250c0050746387c1ea98 100644 (file)
--- a/src/basic/siphash24.h
+++ b/src/basic/siphash24.h
@@ -1,6 +1,23 @@
 #pragma once
 
 #include <inttypes.h>
+#include <stddef.h>
+#include <stdint.h>
 #include <sys/types.h>
 
-void siphash24(uint8_t out[8], const void *in, size_t inlen, const uint8_t k[16]);
+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]);