SipHash inline implementation and junit test, unmodified.

As pulled from https://github.com/nahi/siphash-java-inline Last commit was 5be5c84851 2012-11-06 Copyright 2012 Hiroshi Nakamura <nahi@ruby-lang.org> Apache 2 license 25%-35% faster than reference implementation in my tests.
2013-01-02 13:54:49 +00:00
parent f2331b0603
commit 20cc48cd87
2 changed files with 253 additions and 0 deletions
--- a/core/java/test/junit/net/i2p/util/SipHashInlineTest.java
+++ b/core/java/test/junit/net/i2p/util/SipHashInlineTest.java
@ -0,0 +1,83 @@
+import junit.framework.TestCase;
+
+public class SipHashInlineTest extends TestCase {
+    private long[] EXPECTED = new long[] {
+	0x726fdb47dd0e0e31L,
+	    0x74f839c593dc67fdL,
+	    0x0d6c8009d9a94f5aL,
+	    0x85676696d7fb7e2dL,
+	    0xcf2794e0277187b7L,
+	    0x18765564cd99a68dL,
+	    0xcbc9466e58fee3ceL,
+	    0xab0200f58b01d137L,
+	    0x93f5f5799a932462L,
+	    0x9e0082df0ba9e4b0L,
+	    0x7a5dbbc594ddb9f3L,
+	    0xf4b32f46226bada7L,
+	    0x751e8fbc860ee5fbL,
+	    0x14ea5627c0843d90L,
+	    0xf723ca908e7af2eeL,
+	    0xa129ca6149be45e5L,
+	    0x3f2acc7f57c29bdbL,
+	    0x699ae9f52cbe4794L,
+	    0x4bc1b3f0968dd39cL,
+	    0xbb6dc91da77961bdL,
+	    0xbed65cf21aa2ee98L,
+	    0xd0f2cbb02e3b67c7L,
+	    0x93536795e3a33e88L,
+	    0xa80c038ccd5ccec8L,
+	    0xb8ad50c6f649af94L,
+	    0xbce192de8a85b8eaL,
+	    0x17d835b85bbb15f3L,
+	    0x2f2e6163076bcfadL,
+	    0xde4daaaca71dc9a5L,
+	    0xa6a2506687956571L,
+	    0xad87a3535c49ef28L,
+	    0x32d892fad841c342L,
+	    0x7127512f72f27cceL,
+	    0xa7f32346f95978e3L,
+	    0x12e0b01abb051238L,
+	    0x15e034d40fa197aeL,
+	    0x314dffbe0815a3b4L,
+	    0x027990f029623981L,
+	    0xcadcd4e59ef40c4dL,
+	    0x9abfd8766a33735cL,
+	    0x0e3ea96b5304a7d0L,
+	    0xad0c42d6fc585992L,
+	    0x187306c89bc215a9L,
+	    0xd4a60abcf3792b95L,
+	    0xf935451de4f21df2L,
+	    0xa9538f0419755787L,
+	    0xdb9acddff56ca510L,
+	    0xd06c98cd5c0975ebL,
+	    0xe612a3cb9ecba951L,
+	    0xc766e62cfcadaf96L,
+	    0xee64435a9752fe72L,
+	    0xa192d576b245165aL,
+	    0x0a8787bf8ecb74b2L,
+	    0x81b3e73d20b49b6fL,
+	    0x7fa8220ba3b2eceaL,
+	    0x245731c13ca42499L,
+	    0xb78dbfaf3a8d83bdL,
+	    0xea1ad565322a1a0bL,
+	    0x60e61c23a3795013L,
+	    0x6606d7e446282b93L,
+	    0x6ca4ecb15c5f91e1L,
+	    0x9f626da15c9625f3L,
+	    0xe51b38608ef25f57L,
+	    0x958a324ceb064572L
+    };
+
+    // Ported from test vectors in siphash24.c at https://www.131002.net/siphash/siphash24.c
+    public void testVectors() {
+	long k0 = 0x0706050403020100L;
+	long k1 = 0x0f0e0d0c0b0a0908L;
+	for (int i = 0; i < EXPECTED.length; ++i) {
+	    byte[] msg = new byte[i];
+	    for (int j = 0; j < i; ++j) {
+		msg[j] = (byte) j;
+	    }
+	    assertEquals(EXPECTED[i], SipHashInline.hash24(k0, k1, msg));
+	}
+    }
+}