1 files changed, 62 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/jcajce/util/JcaJceHelper.java b/prov/src/main/java/org/spongycastle/jcajce/util/JcaJceHelper.java
new file mode 100644
index 00000000..f15cdefe
--- /dev/null
+++ b/prov/src/main/java/org/spongycastle/jcajce/util/JcaJceHelper.java
@@ -0,0 +1,62 @@
+package org.spongycastle.jcajce.util;
+
+import java.security.AlgorithmParameterGenerator;
+import java.security.AlgorithmParameters;
+import java.security.KeyFactory;
+import java.security.KeyPairGenerator;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.Signature;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+
+import javax.crypto.Cipher;
+import javax.crypto.KeyAgreement;
+import javax.crypto.KeyGenerator;
+import javax.crypto.Mac;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKeyFactory;
+
+/**
+ * Factory interface for instantiating JCA/JCE primitives.
+ */
+public interface JcaJceHelper
+{
+    Cipher createCipher(
+        String algorithm)
+        throws NoSuchAlgorithmException, NoSuchPaddingException, NoSuchProviderException;
+
+    Mac createMac(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    KeyAgreement createKeyAgreement(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    AlgorithmParameterGenerator createAlgorithmParameterGenerator(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    AlgorithmParameters createAlgorithmParameters(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    KeyGenerator createKeyGenerator(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    KeyFactory createKeyFactory(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    SecretKeyFactory createSecretKeyFactory(String algorithm)
+           throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    KeyPairGenerator createKeyPairGenerator(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    MessageDigest createDigest(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    Signature createSignature(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException;
+
+    CertificateFactory createCertificateFactory(String algorithm)
+        throws NoSuchAlgorithmException, NoSuchProviderException, CertificateException;
+}