static { HASH_FUNCTIONS.put("md5", Hashing.md5()); HASH_FUNCTIONS.put("sha1", Hashing.sha1()); HASH_FUNCTIONS.put("sha256", Hashing.sha256()); HASH_FUNCTIONS.put("sha512", Hashing.sha512()); HASH_FUNCTIONS.put("murmur3_32", Hashing.murmur3_32()); HASH_FUNCTIONS.put("murmur3_128", Hashing.murmur3_128()); }
public void testToString() { assertEquals("Hashing.md5()", Hashing.md5().toString()); assertEquals("Hashing.sha1()", Hashing.sha1().toString()); assertEquals("Hashing.sha256()", Hashing.sha256().toString()); assertEquals("Hashing.sha512()", Hashing.sha512().toString()); }
/** * Tests for the MessageDigestHashFunction. * * @author Kurt Alfred Kluever */ public class MessageDigestHashFunctionTest extends TestCase { private static final ImmutableSet<String> INPUTS = ImmutableSet.of("", "Z", "foobar"); // From "How Provider Implementations Are Requested and Supplied" from // http://docs.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html // - Some providers may choose to also include alias names. // - For example, the "SHA-1" algorithm might be referred to as "SHA1". // - The algorithm name is not case-sensitive. private static final ImmutableMap<String, HashFunction> ALGORITHMS = new ImmutableMap.Builder<String, HashFunction>() .put("MD5", Hashing.md5()) .put("SHA", Hashing.sha1()) // Not the official name, but still works .put("SHA1", Hashing.sha1()) // Not the official name, but still works .put("sHa-1", Hashing.sha1()) // Not the official name, but still works .put("SHA-1", Hashing.sha1()) .put("SHA-256", Hashing.sha256()) .put("SHA-512", Hashing.sha512()) .build(); public void testHashing() { for (String stringToTest : INPUTS) { for (String algorithmToTest : ALGORITHMS.keySet()) { assertMessageDigestHashing(HashTestUtils.ascii(stringToTest), algorithmToTest); } } } public void testPutAfterHash() { Hasher sha1 = Hashing.sha1().newHasher(); assertEquals( "2fd4e1c67a2d28fced849ee1bb76e7391b93eb12", sha1.putString("The quick brown fox jumps over the lazy dog", Charsets.UTF_8) .hash() .toString()); try { sha1.putInt(42); fail(); } catch (IllegalStateException expected) { } } public void testHashTwice() { Hasher sha1 = Hashing.sha1().newHasher(); assertEquals( "2fd4e1c67a2d28fced849ee1bb76e7391b93eb12", sha1.putString("The quick brown fox jumps over the lazy dog", Charsets.UTF_8) .hash() .toString()); try { sha1.hash(); fail(); } catch (IllegalStateException expected) { } } public void testToString() { assertEquals("Hashing.md5()", Hashing.md5().toString()); assertEquals("Hashing.sha1()", Hashing.sha1().toString()); assertEquals("Hashing.sha256()", Hashing.sha256().toString()); assertEquals("Hashing.sha512()", Hashing.sha512().toString()); } private static void assertMessageDigestHashing(byte[] input, String algorithmName) { try { MessageDigest digest = MessageDigest.getInstance(algorithmName); assertEquals( HashCode.fromBytes(digest.digest(input)), ALGORITHMS.get(algorithmName).hashBytes(input)); for (int bytes = 4; bytes <= digest.getDigestLength(); bytes++) { assertEquals( HashCode.fromBytes(Arrays.copyOf(digest.digest(input), bytes)), new MessageDigestHashFunction(algorithmName, bytes, algorithmName).hashBytes(input)); } try { int maxSize = digest.getDigestLength(); new MessageDigestHashFunction(algorithmName, maxSize + 1, algorithmName); fail(); } catch (IllegalArgumentException expected) { } } catch (NoSuchAlgorithmException nsae) { throw new AssertionError(nsae); } } }
public void testSha512() { HashTestUtils.checkAvalanche(Hashing.sha512(), 100, 0.4); HashTestUtils.checkNo2BitCharacteristics(Hashing.sha512()); HashTestUtils.checkNoFunnels(Hashing.sha512()); HashTestUtils.assertInvariants(Hashing.sha512()); }