1 files changed, 55 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/SHA512t256DigestTest.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/SHA512t256DigestTest.java
new file mode 100644
index 000000000..ee6f13efb
--- /dev/null
+++ b/libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/SHA512t256DigestTest.java
@@ -0,0 +1,55 @@
+package org.spongycastle.crypto.test;
+
+import org.spongycastle.crypto.Digest;
+import org.spongycastle.crypto.digests.SHA512tDigest;
+
+/**
+ * standard vector test for SHA-512/256 from FIPS 180-4.
+ *
+ * Note, only the last 2 message entries are FIPS originated..
+ */
+public class SHA512t256DigestTest
+    extends DigestTest
+{
+    private static String[] messages =
+    {
+        "",
+        "a",
+        "abc",
+        "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
+    };
+
+    private static String[] digests =
+    {
+        "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
+        "455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
+        "53048E2681941EF99B2E29B76B4C7DABE4C2D0C634FC6D46E0E2F13107E7AF23",
+        "3928E184FB8690F840DA3988121D31BE65CB9D3EF83EE6146FEAC861E19B563A"
+    };
+
+    // 1 million 'a'
+    static private String  million_a_digest = "9a59a052930187a97038cae692f30708aa6491923ef5194394dc68d56c74fb21";
+
+    SHA512t256DigestTest()
+    {
+        super(new SHA512tDigest(256), messages, digests);
+    }
+
+    public void performTest()
+    {
+        super.performTest();
+        
+        millionATest(million_a_digest);
+    }
+
+    protected Digest cloneDigest(Digest digest)
+    {
+        return new SHA512tDigest((SHA512tDigest)digest);
+    }
+    
+    public static void main(
+        String[]    args)
+    {
+        runTest(new SHA512t256DigestTest());
+    }
+}