Change to positive checks

1. Checge to check for `MBEDTLS_ECP_RESTARTABLE` for all definitions
of `rs_ctx`.
2. Remove checks for `_ALT` when using `rs_ctx` as they cannot coexist
with the Restartable configuration.
This commit is contained in:
Ron Eldor 2018-11-05 17:18:29 +02:00
parent 19779c4739
commit b430d9f262

View file

@ -212,7 +212,7 @@ int mbedtls_ecdh_make_params( mbedtls_ecdh_context *ctx, size_t *olen,
if( ( ret = ecdh_gen_public_restartable( &ctx->grp, &ctx->d, &ctx->Q,
f_rng, p_rng, rs_ctx ) ) != 0 )
return( ret );
#endif /* MBEDTLS_ECDH_GEN_PUBLIC_ALT */
#endif /* !MBEDTLS_ECDH_GEN_PUBLIC_ALT */
if( ( ret = mbedtls_ecp_tls_write_group( &ctx->grp, &grp_len, buf, blen ) )
!= 0 )
@ -286,14 +286,14 @@ int mbedtls_ecdh_make_public( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng )
{
int ret;
#if !defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)
#if defined(MBEDTLS_ECP_RESTARTABLE)
mbedtls_ecp_restart_ctx *rs_ctx = NULL;
#endif
if( ctx == NULL || ctx->grp.pbits == 0 )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
#if defined(MBEDTLS_ECP_RESTARTABLE) && !defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)
#if defined(MBEDTLS_ECP_RESTARTABLE)
if( ctx->restart_enabled )
rs_ctx = &ctx->rs;
#endif
@ -342,14 +342,14 @@ int mbedtls_ecdh_calc_secret( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng )
{
int ret;
#if !defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT)
#if defined(MBEDTLS_ECP_RESTARTABLE)
mbedtls_ecp_restart_ctx *rs_ctx = NULL;
#endif
if( ctx == NULL || ctx->grp.pbits == 0 )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
#if defined(MBEDTLS_ECP_RESTARTABLE) && !defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)
#if defined(MBEDTLS_ECP_RESTARTABLE)
if( ctx->restart_enabled )
rs_ctx = &ctx->rs;
#endif