Modify own_pubkey_max_len calculation
@@ -3166,8 +3166,9 @@ curve_matching_done:
* Make one byte space for the length.
*/
unsigned char *own_pubkey = p + data_length_size;
+
size_t own_pubkey_max_len = (size_t)( MBEDTLS_SSL_OUT_CONTENT_LEN
- - ssl->out_msglen - header_size );
+ - ( own_pubkey - ssl->out_msg ) );
status = psa_export_public_key( handshake->ecdh_psa_privkey,
own_pubkey, own_pubkey_max_len,
