1 files changed, 25 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/TlsDSSSigner.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/TlsDSSSigner.java
new file mode 100644
index 000000000..d4309c137
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/tls/TlsDSSSigner.java
@@ -0,0 +1,25 @@
+package org.spongycastle.crypto.tls;
+
+import org.spongycastle.crypto.DSA;
+import org.spongycastle.crypto.params.AsymmetricKeyParameter;
+import org.spongycastle.crypto.params.DSAPublicKeyParameters;
+import org.spongycastle.crypto.signers.DSASigner;
+
+public class TlsDSSSigner
+    extends TlsDSASigner
+{
+    public boolean isValidPublicKey(AsymmetricKeyParameter publicKey)
+    {
+        return publicKey instanceof DSAPublicKeyParameters;
+    }
+
+    protected DSA createDSAImpl()
+    {
+        return new DSASigner();
+    }
+
+    protected short getSignatureAlgorithm()
+    {
+        return SignatureAlgorithm.dsa;
+    }
+}