1 files changed, 42 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/jcajce/provider/util/AsymmetricAlgorithmProvider.java b/prov/src/main/java/org/spongycastle/jcajce/provider/util/AsymmetricAlgorithmProvider.java
new file mode 100644
index 00000000..77218f47
--- /dev/null
+++ b/prov/src/main/java/org/spongycastle/jcajce/provider/util/AsymmetricAlgorithmProvider.java
@@ -0,0 +1,42 @@
+package org.spongycastle.jcajce.provider.util;
+
+import org.spongycastle.asn1.ASN1ObjectIdentifier;
+import org.spongycastle.jcajce.provider.config.ConfigurableProvider;
+
+public abstract class AsymmetricAlgorithmProvider
+    extends AlgorithmProvider
+{       
+    protected void addSignatureAlgorithm(
+        ConfigurableProvider provider,
+        String digest,
+        String algorithm,
+        String className,
+        ASN1ObjectIdentifier oid)
+    {
+        String mainName = digest + "WITH" + algorithm;
+        String jdk11Variation1 = digest + "with" + algorithm;
+        String jdk11Variation2 = digest + "With" + algorithm;
+        String alias = digest + "/" + algorithm;
+
+        provider.addAlgorithm("Signature." + mainName, className);
+        provider.addAlgorithm("Alg.Alias.Signature." + jdk11Variation1, mainName);
+        provider.addAlgorithm("Alg.Alias.Signature." + jdk11Variation2, mainName);
+        provider.addAlgorithm("Alg.Alias.Signature." + alias, mainName);
+        provider.addAlgorithm("Alg.Alias.Signature." + oid, mainName);
+        provider.addAlgorithm("Alg.Alias.Signature.OID." + oid, mainName);
+    }
+
+    protected void registerOid(ConfigurableProvider provider, ASN1ObjectIdentifier oid, String name, AsymmetricKeyInfoConverter keyFactory)
+    {
+        provider.addAlgorithm("Alg.Alias.KeyFactory." + oid, name);
+        provider.addAlgorithm("Alg.Alias.KeyPairGenerator." + oid, name);
+
+        provider.addKeyInfoConverter(oid, keyFactory);
+    }
+
+    protected void registerOidAlgorithmParameters(ConfigurableProvider provider, ASN1ObjectIdentifier oid, String name)
+    {
+        provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + oid, name);
+        provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + oid, name);
+    }
+}