1 files changed, 34 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SymmetricAlgorithmProvider.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SymmetricAlgorithmProvider.java
new file mode 100644
index 000000000..16a4cd231
--- /dev/null
+++ b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SymmetricAlgorithmProvider.java
@@ -0,0 +1,34 @@
+package org.spongycastle.jcajce.provider.symmetric;
+
+import org.spongycastle.jcajce.provider.config.ConfigurableProvider;
+import org.spongycastle.jcajce.provider.util.AlgorithmProvider;
+
+abstract class SymmetricAlgorithmProvider
+    extends AlgorithmProvider
+{
+    protected void addGMacAlgorithm(
+        ConfigurableProvider provider,
+        String algorithm,
+        String algorithmClassName,
+        String keyGeneratorClassName)
+    {
+        provider.addAlgorithm("Mac." + algorithm + "-GMAC", algorithmClassName);
+        provider.addAlgorithm("Alg.Alias.Mac." + algorithm + "GMAC", algorithm + "-GMAC");
+
+        provider.addAlgorithm("KeyGenerator." + algorithm + "-GMAC", keyGeneratorClassName);
+        provider.addAlgorithm("Alg.Alias.KeyGenerator." + algorithm + "GMAC",  algorithm + "-GMAC");
+    }
+
+    protected void addPoly1305Algorithm(ConfigurableProvider provider,
+                                        String algorithm,
+                                        String algorithmClassName,
+                                        String keyGeneratorClassName)
+    {
+        provider.addAlgorithm("Mac.POLY1305-" + algorithm, algorithmClassName);
+        provider.addAlgorithm("Alg.Alias.Mac.POLY1305" + algorithm, "POLY1305-" + algorithm);
+
+        provider.addAlgorithm("KeyGenerator.POLY1305-" + algorithm, keyGeneratorClassName);
+        provider.addAlgorithm("Alg.Alias.KeyGenerator.POLY1305" + algorithm, "POLY1305-" + algorithm);
+    }
+
+}