From 8fb94311e979f28ab1b30ddd8a39daf5f86b839c Mon Sep 17 00:00:00 2001
From: Unknown <andrzej.kurek@mobica.com>
Date: Thu, 8 Feb 2018 06:37:57 -0500
Subject: [PATCH] Add a check for an RSA_ALT key in check_pair

---
 library/pk.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/pk.c b/library/pk.c
index bb55a18fb0..980256a25a 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -329,7 +329,8 @@ int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_conte
         return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
     }
 
-    if( prv->pk_info->type != MBEDTLS_PK_OPAQUE )
+    if( prv->pk_info->type != MBEDTLS_PK_RSA_ALT &&
+        prv->pk_info->type != MBEDTLS_PK_OPAQUE )
     {
         if( pub->pk_info != prv->pk_info )
             return( MBEDTLS_ERR_PK_TYPE_MISMATCH );