From 059a80c212cb9ab593d1a8f78974c7ff5b32078e Mon Sep 17 00:00:00 2001
From: Neil Armstrong <narmstrong@baylibre.com>
Date: Thu, 24 Feb 2022 15:23:42 +0100
Subject: [PATCH] Map INVALID_PADDING from PSA to MbedTLS error in
 rsa_verify_wrap()

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 library/pk_wrap.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index b3db3d764..71b60398d 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -215,7 +215,14 @@ static int rsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
                               sig, sig_len );
     if( status != PSA_SUCCESS )
     {
-        ret = mbedtls_psa_err_translate_pk( status );
+        if ( status == PSA_ERROR_INVALID_PADDING )
+        {
+            ret = MBEDTLS_ERR_RSA_INVALID_PADDING;
+        }
+        else
+        {
+            ret = mbedtls_psa_err_translate_pk( status );
+        }
         goto cleanup;
     }
     ret = 0;