NativeCrypto: make our own X.509 key class

Make a key class that just holds the encoded key bytes along with the
algorithm identifier. Eclipse IDE made the entire class.

Change-Id: I40b198e0f01121d77bfd26b3420068700ab69614

2 files changed, 87 insertions, 2 deletions

diff --git a/crypto/src/main/java/org/conscrypt/OpenSSLX509Certificate.java b/crypto/src/main/java/org/conscrypt/OpenSSLX509Certificate.java
index bd4e536..0a0615f 100644
--- a/crypto/src/main/java/org/conscrypt/OpenSSLX509Certificate.java
+++ b/crypto/src/main/java/org/conscrypt/OpenSSLX509Certificate.java
@@ -47,7 +47,6 @@ import java.util.Set;
 import java.util.TimeZone;
 import javax.security.auth.x500.X500Principal;
 import org.apache.harmony.security.utils.AlgNameMapper;
-import org.apache.harmony.security.x509.X509PublicKey;
 import org.conscrypt.OpenSSLX509CertificateFactory.ParsingException;
 
 public class OpenSSLX509Certificate extends X509Certificate {
@@ -410,7 +409,7 @@ public class OpenSSLX509Certificate extends X509Certificate {
          * We couldn't find anything else, so just return a nearly-unusable
          * X.509-encoded key.
          */
-        return new X509PublicKey(oid, encoded, null);
+        return new X509PublicKey(oid, encoded);
     }
 
     @Override
diff --git a/crypto/src/main/java/org/conscrypt/X509PublicKey.java b/crypto/src/main/java/org/conscrypt/X509PublicKey.java
new file mode 100644
index 0000000..8d09fc2
--- /dev/null
+++ b/crypto/src/main/java/org/conscrypt/X509PublicKey.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.conscrypt;
+
+import java.security.PublicKey;
+import java.util.Arrays;
+
+/**
+ * A simple but useless key class that holds X.509 public key information when
+ * the appropriate KeyFactory for the key algorithm is not available.
+ */
+public class X509PublicKey implements PublicKey {
+    private static final long serialVersionUID = -8610156854731664298L;
+
+    private final String algorithm;
+
+    private final byte[] encoded;
+
+    public X509PublicKey(String algorithm, byte[] encoded) {
+        this.algorithm = algorithm;
+        this.encoded = encoded;
+    }
+
+    @Override
+    public String getAlgorithm() {
+        return algorithm;
+    }
+
+    @Override
+    public String getFormat() {
+        return "X.509";
+    }
+
+    @Override
+    public byte[] getEncoded() {
+        return encoded;
+    }
+
+    @Override
+    public String toString() {
+        return "X509PublicKey [algorithm=" + algorithm + ", encoded=" + Arrays.toString(encoded)
+                + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((algorithm == null) ? 0 : algorithm.hashCode());
+        result = prime * result + Arrays.hashCode(encoded);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        X509PublicKey other = (X509PublicKey) obj;
+        if (algorithm == null) {
+            if (other.algorithm != null)
+                return false;
+        } else if (!algorithm.equals(other.algorithm))
+            return false;
+        if (!Arrays.equals(encoded, other.encoded))
+            return false;
+        return true;
+    }
+}