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Diffstat (limited to 'thirdparty/mbedtls/library/ecdh.c')
-rw-r--r--thirdparty/mbedtls/library/ecdh.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/thirdparty/mbedtls/library/ecdh.c b/thirdparty/mbedtls/library/ecdh.c
index 60c6e429de..724c938a71 100644
--- a/thirdparty/mbedtls/library/ecdh.c
+++ b/thirdparty/mbedtls/library/ecdh.c
@@ -77,10 +77,12 @@ static int ecdh_gen_public_restartable( mbedtls_ecp_group *grp,
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
- /* If multiplication is in progress, we already generated a privkey */
+ int restarting = 0;
#if defined(MBEDTLS_ECP_RESTARTABLE)
- if( rs_ctx == NULL || rs_ctx->rsm == NULL )
+ restarting = ( rs_ctx != NULL && rs_ctx->rsm != NULL );
#endif
+ /* If multiplication is in progress, we already generated a privkey */
+ if( !restarting )
MBEDTLS_MPI_CHK( mbedtls_ecp_gen_privkey( grp, d, f_rng, p_rng ) );
MBEDTLS_MPI_CHK( mbedtls_ecp_mul_restartable( grp, Q, d, &grp->G,