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Some style and documentation fixes

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1. Change description of of hte `MBEDTLS_ECP_RESTARTABLE`
in the configuration file.
2. Change check for compilation of `rs_ctx` to positive flow.
This commit is contained in:
Ron Eldor 2018-11-05 16:58:13 +02:00
parent 5ed8c1eded
commit 19779c4739
2 changed files with 5 additions and 4 deletions
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5
include/mbedtls/config.h
View File

@ -695,8 +695,9 @@
*
* Uncomment this macro to enable restartable ECC computations.
*
* \note MBEDTLS_ECP_RESTARTABLE cannot be defined if there is an alternative
* implementation for one of the ECP, ECDSA or ECDH functions. *
* \note This option only works with the default software implementation of
* elliptic curve functionality. It is incompatible with
* MBEDTLS_ECP_ALT, MBEDTLS_ECDH_xxx_ALT and MBEDTLS_ECDSA_xxx_ALT.
*/
//#define MBEDTLS_ECP_RESTARTABLE

4
library/ecdh.c
View File

@ -191,14 +191,14 @@ int mbedtls_ecdh_make_params( mbedtls_ecdh_context *ctx, size_t *olen,
{
int ret;
size_t grp_len, pt_len;
#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