xref: /third_party/mbedtls/library/ecp.c

247                              mbedtls_ecp_restart_ctx *rs_ctx,
250     if (rs_ctx != NULL && ecp_max_ops != 0) {
263         if ((rs_ctx->ops_done != 0) &&
264             (rs_ctx->ops_done > ecp_max_ops ||
265              ops > ecp_max_ops - rs_ctx->ops_done)) {
270         rs_ctx->ops_done += ops;
279         if (rs_ctx != NULL && rs_ctx->depth++ == 0)                        \
280         rs_ctx->ops_done = 0;                                           \
284             rs_ctx != NULL && rs_ctx->SUB == NULL)                         \
286             rs_ctx->SUB = mbedtls_calloc(1, sizeof(*rs_ctx->SUB));      \
287             if (rs_ctx->SUB == NULL)                                       \
290             ecp_restart_## SUB ##_init(rs_ctx->SUB);                      \
297         if (rs_ctx != NULL && rs_ctx->SUB != NULL &&                        \
300             ecp_restart_## SUB ##_free(rs_ctx->SUB);                      \
301             mbedtls_free(rs_ctx->SUB);                                    \
302             rs_ctx->SUB = NULL;                                             \
305         if (rs_ctx != NULL)                                                \
306         rs_ctx->depth--;                                                \
311 #define ECP_RS_ENTER(sub)     (void) rs_ctx;
312 #define ECP_RS_LEAVE(sub)     (void) rs_ctx;
1852                                mbedtls_ecp_restart_ctx *rs_ctx)
1865     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
1866         if (rs_ctx->rsm->state == ecp_rsm_pre_dbl) {
1869         if (rs_ctx->rsm->state == ecp_rsm_pre_norm_dbl) {
1872         if (rs_ctx->rsm->state == ecp_rsm_pre_add) {
1875         if (rs_ctx->rsm->state == ecp_rsm_pre_norm_add) {
1880     (void) rs_ctx;
1884     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
1885         rs_ctx->rsm->state = ecp_rsm_pre_dbl;
1888         rs_ctx->rsm->i = 0;
1900     if (rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->i != 0) {
1901         j = rs_ctx->rsm->i;
1920     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
1921         rs_ctx->rsm->state = ecp_rsm_pre_norm_dbl;
1943     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
1944         rs_ctx->rsm->state = ecp_rsm_pre_add;
1963     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
1964         rs_ctx->rsm->state = ecp_rsm_pre_norm_add;
1996     if (rs_ctx != NULL && rs_ctx->rsm != NULL &&
1998         if (rs_ctx->rsm->state == ecp_rsm_pre_dbl) {
1999             rs_ctx->rsm->i = j;
2048                              mbedtls_ecp_restart_ctx *rs_ctx)
2059     (void) rs_ctx;
2063     if (rs_ctx != NULL && rs_ctx->rsm != NULL &&
2064         rs_ctx->rsm->state != ecp_rsm_comb_core) {
2065         rs_ctx->rsm->i = 0;
2066         rs_ctx->rsm->state = ecp_rsm_comb_core;
2070     if (rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->i != 0) {
2071         /* restore current index (R already pointing to rs_ctx->rsm->R) */
2072         i = rs_ctx->rsm->i;
2099     if (rs_ctx != NULL && rs_ctx->rsm != NULL &&
2101         rs_ctx->rsm->i = i;
2102         /* no need to save R, already pointing to rs_ctx->rsm->R */
2173                                       mbedtls_ecp_restart_ctx *rs_ctx)
2181     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
2182         RR = &rs_ctx->rsm->R;
2184         if (rs_ctx->rsm->state == ecp_rsm_final_norm) {
2193                                       f_rng, p_rng, rs_ctx));
2197     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
2198         rs_ctx->rsm->state = ecp_rsm_final_norm;
2222     if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
2293                         mbedtls_ecp_restart_ctx *rs_ctx)
2324     if (rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->T != NULL) {
2326         T = rs_ctx->rsm->T;
2327         rs_ctx->rsm->T = NULL;
2328         rs_ctx->rsm->T_size = 0;
2331         T_ok = rs_ctx->rsm->state >= ecp_rsm_comb_core;
2351         MBEDTLS_MPI_CHK(ecp_precompute_comb(grp, T, P, w, d, rs_ctx));
2364                                                f_rng, p_rng, rs_ctx));
2375     if (rs_ctx != NULL && rs_ctx->rsm != NULL && ret == MBEDTLS_ERR_ECP_IN_PROGRESS && T != NULL) {
2377         rs_ctx->rsm->T_size = T_size;
2378         rs_ctx->rsm->T = T;
2629                                         mbedtls_ecp_restart_ctx *rs_ctx)
2638     if (rs_ctx != NULL && rs_ctx->depth++ == 0) {
2639         rs_ctx->ops_done = 0;
2642     (void) rs_ctx;
2653     restarting = (rs_ctx != NULL && rs_ctx->rsm != NULL);
2673         MBEDTLS_MPI_CHK(ecp_mul_comb(grp, R, m, P, f_rng, p_rng, rs_ctx));
2686     if (rs_ctx != NULL) {
2687         rs_ctx->depth--;
2700                                 mbedtls_ecp_restart_ctx *rs_ctx)
2706     return ecp_mul_restartable_internal(grp, R, m, P, f_rng, p_rng, rs_ctx);
2769                                      mbedtls_ecp_restart_ctx *rs_ctx)
2787                                                      NULL, NULL, rs_ctx));
2804     mbedtls_ecp_restart_ctx *rs_ctx)
2824     if (rs_ctx != NULL && rs_ctx->ma != NULL) {
2826         pmP = &rs_ctx->ma->mP;
2827         pR  = &rs_ctx->ma->R;
2830         if (rs_ctx->ma->state == ecp_rsma_mul2) {
2833         if (rs_ctx->ma->state == ecp_rsma_add) {
2836         if (rs_ctx->ma->state == ecp_rsma_norm) {
2842     MBEDTLS_MPI_CHK(mbedtls_ecp_mul_shortcuts(grp, pmP, m, P, rs_ctx));
2844     if (rs_ctx != NULL && rs_ctx->ma != NULL) {
2845         rs_ctx->ma->state = ecp_rsma_mul2;
2850     MBEDTLS_MPI_CHK(mbedtls_ecp_mul_shortcuts(grp, pR,  n, Q, rs_ctx));
2859     if (rs_ctx != NULL && rs_ctx->ma != NULL) {
2860         rs_ctx->ma->state = ecp_rsma_add;
2868     if (rs_ctx != NULL && rs_ctx->ma != NULL) {
2869         rs_ctx->ma->state = ecp_rsma_norm;
2878     if (rs_ctx != NULL && rs_ctx->ma != NULL) {

Indexes created Thu Nov 07 10:32:03 CST 2024