diff --git a/contrib/murmurhash3/LICENSE b/contrib/murmurhash3/LICENSE
new file mode 120000
index 0000000000000000000000000000000000000000..fe25b01381c294b764990ae5423c019d185c4558
--- /dev/null
+++ b/contrib/murmurhash3/LICENSE
@@ -0,0 +1 @@
+../licenses/CC0
\ No newline at end of file
diff --git a/contrib/murmurhash3/murmurhash3.c b/contrib/murmurhash3/murmurhash3.c
new file mode 100644
index 0000000000000000000000000000000000000000..223ced56a0121ce7978d50b9baef46a70863c209
--- /dev/null
+++ b/contrib/murmurhash3/murmurhash3.c
@@ -0,0 +1,74 @@
+/* This is MurmurHash3. The original C++ code was placed in the public domain
+ * by its author, Austin Appleby. */
+
+#include "libknot/internal/trie/murmurhash3.h"
+
+static inline uint32_t fmix(uint32_t h)
+{
+    h ^= h >> 16;
+    h *= 0x85ebca6b;
+    h ^= h >> 13;
+    h *= 0xc2b2ae35;
+    h ^= h >> 16;
+
+    return h;
+}
+
+static inline uint32_t rotl32(uint32_t x, int8_t r)
+{
+    return (x << r) | (x >> (32 - r));
+}
+
+uint32_t hash(const char* data, size_t len_)
+{
+    const int len = (int) len_;
+    const int nblocks = len / 4;
+
+    uint32_t h1 = 0xc062fb4a;
+
+    uint32_t c1 = 0xcc9e2d51;
+    uint32_t c2 = 0x1b873593;
+
+    //----------
+    // body
+
+    const uint32_t * blocks = (const uint32_t*) (data + nblocks * 4);
+
+    int i;
+    for(i = -nblocks; i; i++)
+    {
+        uint32_t k1 = blocks[i];
+
+        k1 *= c1;
+        k1 = rotl32(k1, 15);
+        k1 *= c2;
+
+        h1 ^= k1;
+        h1 = rotl32(h1, 13);
+        h1 = h1*5+0xe6546b64;
+    }
+
+    //----------
+    // tail
+
+    const uint8_t * tail = (const uint8_t*)(data + nblocks*4);
+
+    uint32_t k1 = 0;
+
+    switch(len & 3)
+    {
+        case 3: k1 ^= tail[2] << 16;
+        case 2: k1 ^= tail[1] << 8;
+        case 1: k1 ^= tail[0];
+              k1 *= c1; k1 = rotl32(k1,15); k1 *= c2; h1 ^= k1;
+    }
+
+    //----------
+    // finalization
+
+    h1 ^= len;
+
+    h1 = fmix(h1);
+
+    return h1;
+}
diff --git a/contrib/murmurhash3/murmurhash3.h b/contrib/murmurhash3/murmurhash3.h
new file mode 100644
index 0000000000000000000000000000000000000000..b4507b3ae197c82bd71c91ac5069aeb2624cde08
--- /dev/null
+++ b/contrib/murmurhash3/murmurhash3.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <stdlib.h>
+#include <stdint.h>
+
+uint32_t hash(const char* data, size_t len);
diff --git a/lib/lib.mk b/lib/lib.mk
index f43b38b8d73fbd301cd297c7849e0ed2bac5ef87..323a8a1ecfd121cadfce17e359a2f834b90670c4 100644
--- a/lib/lib.mk
+++ b/lib/lib.mk
@@ -1,6 +1,7 @@
 ccan_EMBED := \
 	contrib/ccan/ilog/ilog.c \
-	contrib/ccan/isaac/isaac.c
+	contrib/ccan/isaac/isaac.c \
+	contrib/murmurhash3/murmurhash3.c
 
 libkresolve_SOURCES := \
 	$(ccan_EMBED)          \