diff --git a/core/java/src/net/i2p/crypto/CertUtil.java b/core/java/src/net/i2p/crypto/CertUtil.java
index 0bf354c53a23a71a834599239bb8aaeca84d8796..eef351c03409a9ee65b86a3663f78192dd24ba77 100644
--- a/core/java/src/net/i2p/crypto/CertUtil.java
+++ b/core/java/src/net/i2p/crypto/CertUtil.java
@@ -1,13 +1,10 @@
 package net.i2p.crypto;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.security.GeneralSecurityException;
-import java.security.KeyStore;
 import java.security.cert.Certificate;
 import java.security.cert.CertificateException;
 import java.security.cert.CertificateEncodingException;
diff --git a/core/java/src/net/i2p/crypto/DSAEngine.java b/core/java/src/net/i2p/crypto/DSAEngine.java
index de7a2b553df1c4d7b7db03887e0435202c159a47..5b78da021d5aab2b675598820813ce48514bbe04 100644
--- a/core/java/src/net/i2p/crypto/DSAEngine.java
+++ b/core/java/src/net/i2p/crypto/DSAEngine.java
@@ -64,7 +64,7 @@ import net.i2p.util.NativeBigInteger;
  *  Params and rv's changed from Hash to SHA1Hash for version 0.8.1
  *  Hash variants of sign() and verifySignature() restored in 0.8.3, required by Syndie.
  *
- *  As of 0.9.9, certain methods support ECDSA keys and signatures, i.e. all types
+ *  As of 0.9.9, certain methods support RSA and ECDSA keys and signatures, i.e. all types
  *  specified in SigType. The type is specified by the getType() method in
  *  Signature, SigningPublicKey, and SigningPrivateKey. See Javadocs for individual
  *  methods for the supported types. Methods encountering an unsupported type
diff --git a/core/java/src/net/i2p/crypto/KeyGenerator.java b/core/java/src/net/i2p/crypto/KeyGenerator.java
index bdf8c568818a452258a353e8ee600e150f0a2e47..025da6f59281d2a71b3e92b033484ba4a91a44d6 100644
--- a/core/java/src/net/i2p/crypto/KeyGenerator.java
+++ b/core/java/src/net/i2p/crypto/KeyGenerator.java
@@ -15,9 +15,6 @@ import java.security.InvalidKeyException;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
 import java.security.ProviderException;
-import java.security.interfaces.ECPrivateKey;
-import java.security.interfaces.ECPublicKey;
-import java.security.spec.ECPoint;
 
 import net.i2p.I2PAppContext;
 import net.i2p.data.Hash;
diff --git a/core/java/src/net/i2p/crypto/SigUtil.java b/core/java/src/net/i2p/crypto/SigUtil.java
index 5e5e03270758380a9de45ea06099e1078dd22969..bae5b0ef39b2889e6ea5964348b2603aafb491eb 100644
--- a/core/java/src/net/i2p/crypto/SigUtil.java
+++ b/core/java/src/net/i2p/crypto/SigUtil.java
@@ -171,7 +171,7 @@ class SigUtil {
         return (ECPublicKey) kf.generatePublic(ks);
     }
 
-    public static ECPrivateKey cvtToJavaECKey(SigningPrivateKey pk)
+    private static ECPrivateKey cvtToJavaECKey(SigningPrivateKey pk)
                               throws GeneralSecurityException {
         SigType type = pk.getType();
         int len = type.getPubkeyLen();