From 062de7dd79abc0f908925441e46b155824809b0e Mon Sep 17 00:00:00 2001 From: Neil Armstrong Date: Fri, 18 Mar 2022 14:44:37 +0100 Subject: [PATCH] Use PSA_BITS_TO_BYTES instead of open-coded calculation in PSA version of ssl_get_ecdh_params_from_cert() Signed-off-by: Neil Armstrong --- library/ssl_tls12_server.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c index e96a9792a6..70036477be 100644 --- a/library/ssl_tls12_server.c +++ b/library/ssl_tls12_server.c @@ -2897,7 +2897,7 @@ static int ssl_get_ecdh_params_from_cert( mbedtls_ssl_context *ssl ) PSA_KEY_TYPE_ECC_KEY_PAIR( ssl->handshake->ecdh_psa_type ) ); psa_set_key_bits( &key_attributes, ssl->handshake->ecdh_bits ); - key_len = ( key->grp.pbits + 7 ) / 8; + key_len = PSA_BITS_TO_BYTES( key->grp.pbits ); ret = mbedtls_ecp_write_key( key, buf, key_len ); if( ret != 0 ) goto cleanup;