Get rid of pk_wrap_rsa()
diff --git a/include/polarssl/rsa.h b/include/polarssl/rsa.h
index a513a77..8e52e7d 100644
--- a/include/polarssl/rsa.h
+++ b/include/polarssl/rsa.h
@@ -507,6 +507,17 @@
const unsigned char *sig );
/**
+ * \brief Copy the components of an RSA context
+ *
+ * \param dst Destination context
+ * \param src Source context
+ *
+ * \return O on success,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED on memory allocation failure
+ */
+int rsa_copy( rsa_context *dst, const rsa_context *src );
+
+/**
* \brief Free the components of an RSA key
*
* \param ctx RSA Context to free