commit 7e1b4a45fa44ef8ed90853447473afe3f90ab474
author Neil Armstrong <narmstrong@baylibre.com> Tue Mar 22 10:25:14 2022 +0100
committer Neil Armstrong <narmstrong@baylibre.com> Thu Apr 07 15:01:24 2022 +0200
tree 04639a8f79f2b96b29ee4fcc97107e1e1c77d70b
parent b354742371fffcef260185720bf9e4277288338d

Use PSA_BITS_TO_BYTES instead of open-coded calculation in mbedtls_pk_wrap_as_opaque()

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

library/pk.c

diff --git a/library/pk.c b/library/pk.c
index d6ea912..0ba334b 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -728,7 +728,7 @@
 
         /* export the private key material in the format PSA wants */
         ec = mbedtls_pk_ec( *pk );
-        d_len = ( ec->grp.nbits + 7 ) / 8;
+        d_len = PSA_BITS_TO_BYTES( ec->grp.nbits );
         if( ( ret = mbedtls_mpi_write_binary( &ec->d, d, d_len ) ) != 0 )
             return( ret );