diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index da5a47e..ba3a760 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -192,6 +192,17 @@
 int mbedtls_rsa_get_padding_mode(const mbedtls_rsa_context *ctx);
 
 /**
+ * \brief          This function retrieves hash identifier of mbedtls_md_type_t
+ *                 type.
+ *
+ * \param ctx      The initialized RSA context.
+ *
+ * \return         Hash identifier of mbedtls_md_type_t type.
+ *
+ */
+int mbedtls_rsa_get_hash_id(const mbedtls_rsa_context *ctx);
+
+/**
  * \brief          This function imports a set of core parameters into an
  *                 RSA context.
  *