implement PKey initialize_copy (dup-ing)

Author: kares

src/main/java/org/jruby/ext/openssl/PKeyDH.java

@@ -110,6 +110,19 @@ public PKeyDH(Ruby runtime, RubyClass clazz) {
         super(runtime, clazz);
     }
 
+    @Override
+    public IRubyObject initialize_copy(final IRubyObject original) {
+        if (this == original) return this;
+        checkFrozen();
+
+        final PKeyDH that = (PKeyDH) original;
+        this.dh_p = that.dh_p;
+        this.dh_g = that.dh_g;
+        this.dh_y = that.dh_y;
+        this.dh_x = that.dh_x;
+        return this;
+    }
+
     @JRubyMethod(name="initialize", rest=true, visibility = Visibility.PRIVATE)
     public synchronized IRubyObject initialize(final ThreadContext context, final IRubyObject[] args) {
         final Ruby runtime = context.runtime;

src/main/java/org/jruby/ext/openssl/PKeyDSA.java

@@ -113,6 +113,22 @@ public PKeyDSA(Ruby runtime, RubyClass type, DSAPrivateKey privKey, DSAPublicKey
     private transient volatile BigInteger dsa_q;
     private transient volatile BigInteger dsa_g;
 
+    @Override
+    public IRubyObject initialize_copy(final IRubyObject original) {
+        if (this == original) return this;
+        checkFrozen();
+
+        final PKeyDSA that = (PKeyDSA) original;
+        this.publicKey = that.publicKey;
+        this.privateKey = that.privateKey;
+        this.dsa_x = that.dsa_x;
+        this.dsa_y = that.dsa_y;
+        this.dsa_p = that.dsa_p;
+        this.dsa_q = that.dsa_q;
+        this.dsa_g = that.dsa_g;
+        return this;
+    }
+
     @Override
     public PublicKey getPublicKey() { return publicKey; }
 

src/main/java/org/jruby/ext/openssl/PKeyRSA.java

@@ -141,6 +141,25 @@ public PKeyRSA(Ruby runtime, RubyClass type, RSAPrivateCrtKey privKey, RSAPublic
     private transient volatile BigInteger rsa_dmq1;
     private transient volatile BigInteger rsa_iqmp;
 
+    @Override
+    public IRubyObject initialize_copy(final IRubyObject original) {
+        if (this == original) return this;
+        checkFrozen();
+
+        final PKeyRSA that = (PKeyRSA) original;
+        this.publicKey = that.publicKey;
+        this.privateKey = that.privateKey;
+        this.rsa_e = that.rsa_e;
+        this.rsa_n = that.rsa_n;
+        this.rsa_d = that.rsa_d;
+        this.rsa_p = that.rsa_p;
+        this.rsa_q = that.rsa_q;
+        this.rsa_dmp1 = that.rsa_dmp1;
+        this.rsa_dmq1 = that.rsa_dmq1;
+        this.rsa_iqmp = that.rsa_iqmp;
+        return this;
+    }
+
     @Override
     public PublicKey getPublicKey() { return publicKey; }