1 files changed, 55 insertions, 0 deletions
diff --git a/core/src/test/java/org/spongycastle/crypto/test/RSADigestSignerTest.java b/core/src/test/java/org/spongycastle/crypto/test/RSADigestSignerTest.java
new file mode 100644
index 00000000..5587dcf8
--- /dev/null
+++ b/core/src/test/java/org/spongycastle/crypto/test/RSADigestSignerTest.java
@@ -0,0 +1,55 @@
+package org.spongycastle.crypto.test;
+
+import org.spongycastle.asn1.x509.X509ObjectIdentifiers;
+import org.spongycastle.crypto.digests.SHA1Digest;
+import org.spongycastle.crypto.params.RSAKeyParameters;
+import org.spongycastle.crypto.params.RSAPrivateCrtKeyParameters;
+import org.spongycastle.crypto.signers.RSADigestSigner;
+import org.spongycastle.util.encoders.Base64;
+import org.spongycastle.util.test.SimpleTest;
+
+import java.math.BigInteger;
+
+public class RSADigestSignerTest
+    extends SimpleTest
+{
+    public String getName()
+    {
+        return "RSADigestSigner";
+    }
+
+    public void performTest() throws Exception
+    {
+        BigInteger rsaPubMod = new BigInteger(Base64.decode("AIASoe2PQb1IP7bTyC9usjHP7FvnUMVpKW49iuFtrw/dMpYlsMMoIU2jupfifDpdFxIktSB4P+6Ymg5WjvHKTIrvQ7SR4zV4jaPTu56Ys0pZ9EDA6gb3HLjtU+8Bb1mfWM+yjKxcPDuFjwEtjGlPHg1Vq+CA9HNcMSKNn2+tW6qt"));
+        BigInteger rsaPubExp = new BigInteger(Base64.decode("EQ=="));
+        BigInteger rsaPrivMod = new BigInteger(Base64.decode("AIASoe2PQb1IP7bTyC9usjHP7FvnUMVpKW49iuFtrw/dMpYlsMMoIU2jupfifDpdFxIktSB4P+6Ymg5WjvHKTIrvQ7SR4zV4jaPTu56Ys0pZ9EDA6gb3HLjtU+8Bb1mfWM+yjKxcPDuFjwEtjGlPHg1Vq+CA9HNcMSKNn2+tW6qt"));
+        BigInteger rsaPrivDP = new BigInteger(Base64.decode("JXzfzG5v+HtLJIZqYMUefJfFLu8DPuJGaLD6lI3cZ0babWZ/oPGoJa5iHpX4Ul/7l3s1PFsuy1GhzCdOdlfRcQ=="));
+        BigInteger rsaPrivDQ = new BigInteger(Base64.decode("YNdJhw3cn0gBoVmMIFRZzflPDNthBiWy/dUMSRfJCxoZjSnr1gysZHK01HteV1YYNGcwPdr3j4FbOfri5c6DUQ=="));
+        BigInteger rsaPrivExp = new BigInteger(Base64.decode("DxFAOhDajr00rBjqX+7nyZ/9sHWRCCp9WEN5wCsFiWVRPtdB+NeLcou7mWXwf1Y+8xNgmmh//fPV45G2dsyBeZbXeJwB7bzx9NMEAfedchyOwjR8PYdjK3NpTLKtZlEJ6Jkh4QihrXpZMO4fKZWUm9bid3+lmiq43FwW+Hof8/E="));
+        BigInteger rsaPrivP = new BigInteger(Base64.decode("AJ9StyTVW+AL/1s7RBtFwZGFBgd3zctBqzzwKPda6LbtIFDznmwDCqAlIQH9X14X7UPLokCDhuAa76OnDXb1OiE="));
+        BigInteger rsaPrivQ = new BigInteger(Base64.decode("AM3JfD79dNJ5A3beScSzPtWxx/tSLi0QHFtkuhtSizeXdkv5FSba7lVzwEOGKHmW829bRoNxThDy4ds1IihW1w0="));
+        BigInteger rsaPrivQinv = new BigInteger(Base64.decode("Lt0g7wrsNsQxuDdB8q/rH8fSFeBXMGLtCIqfOec1j7FEIuYA/ACiRDgXkHa0WgN7nLXSjHoy630wC5Toq8vvUg=="));
+        RSAKeyParameters rsaPublic = new RSAKeyParameters(false, rsaPubMod, rsaPubExp);
+        RSAPrivateCrtKeyParameters rsaPrivate = new RSAPrivateCrtKeyParameters(rsaPrivMod, rsaPubExp, rsaPrivExp, rsaPrivP, rsaPrivQ, rsaPrivDP, rsaPrivDQ, rsaPrivQinv);
+
+        byte[] msg = new byte[] { 1, 6, 3, 32, 7, 43, 2, 5, 7, 78, 4, 23 };
+
+        RSADigestSigner signer = new RSADigestSigner(new SHA1Digest());
+        signer.init(true, rsaPrivate);
+        signer.update(msg, 0, msg.length);
+        byte[] sig = signer.generateSignature();
+
+        signer = new RSADigestSigner(new SHA1Digest(), X509ObjectIdentifiers.id_SHA1);
+        signer.init(false, rsaPublic);
+        signer.update(msg, 0, msg.length);
+        if (!signer.verifySignature(sig))
+        {
+            fail("RSA Digest Signer failed.");
+        }
+    }
+
+    public static void main(String[] args)
+    {
+        runTest(new RSADigestSignerTest());
+    }
+}