added generic implementation helpers for private_key_t.equals/belongs_to, public_key_t.equals

src/libstrongswan/credentials/keys/public_key.c

@@ -39,6 +39,30 @@ ENUM(signature_scheme_names, SIGN_UNKNOWN, SIGN_ECDSA_521,
 	"ECDSA-521",
 );
 
+/**
+ * See header.
+ */
+bool public_key_equals(public_key_t *this, public_key_t *other)
+{
+	key_encoding_type_t type;
+	chunk_t a, b;
+	
+	if (this == other)
+	{
+		return TRUE;
+	}
+	
+	for (type = 0; type < KEY_ENCODING_MAX; type++)
+	{
+		if (this->get_fingerprint(this, type, &a) &&
+			other->get_fingerprint(other, type, &b))
+		{
+			return chunk_equals(a, b);
+		}
+	}
+	return FALSE;
+}
+
 /*
  * Defined in header.
  */