c++ binding now supports vaults and encryption, added test program

tests/cpptest.cpp

@@ -0,0 +1,57 @@
+#include <pcp++.h>
+#include <string>
+
+using namespace pcp;
+using namespace std;
+
+void pr(string name, unsigned char *data, size_t len) {
+  int i;
+  cout << name << ": ";
+  for ( i = 0;i < len;++i)
+    printf("%02x", (unsigned int) data[i]);
+  cout << endl;
+}
+
+
+int main() {
+  try {
+    Key A = Key("a", "alicia", "alicia@local");
+    Key B = Key("b", "bobby",  "bobby@local");
+    PubKey PA = A.get_public();
+    PubKey PB = B.get_public();
+
+    A.decrypt("a");
+    B.decrypt("b");
+
+    pr("A secret", A.K->secret, 32);
+    pr("A public", A.K->pub, 32);
+    pr("B secret", B.K->secret, 32);
+    pr("B public", B.K->pub, 32);
+
+
+    string cipher = A.encrypt(PB, "Hallo");
+    ResultSet res = B.decrypt(PA, cipher);
+
+    cout << " Input: Hallo" << endl;
+    cout << "Cipher: " << cipher << endl;
+    cout << " Clear: " << res.String << endl;
+
+    Vault vault = Vault("vcpp");
+    vault.key_add(A);
+    vault.pubkey_add(PB);
+
+    KeyMap m = vault.keys();
+    for(KeyIterator it=m.begin(); it != m.end(); ++it) {
+      cout << "id: " << it->first << endl;
+    }
+
+    PubKeyMap p = vault.pubkeys();
+    for(PubKeyIterator it=p.begin(); it != p.end(); ++it) {
+      cout << "id: " << it->first << endl;
+    }
+  }
+  catch (pcp::exception &E) {
+    cerr << "Catched exception: " << E.what() << endl;
+  }
+  return 0;
+}