diff options
Diffstat (limited to 'ecc-internal.h')
| -rw-r--r-- | ecc-internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/ecc-internal.h b/ecc-internal.h index b04d80ce..6201bf05 100644 --- a/ecc-internal.h +++ b/ecc-internal.h @@ -66,6 +66,7 @@ #define ecc_dup_jj _nettle_ecc_dup_jj #define ecc_add_jja _nettle_ecc_add_jja #define ecc_add_jjj _nettle_ecc_add_jjj +#define ecc_nonsec_add_jjj _nettle_ecc_nonsec_add_jjj #define ecc_dup_eh _nettle_ecc_dup_eh #define ecc_add_eh _nettle_ecc_add_eh #define ecc_add_ehh _nettle_ecc_add_ehh @@ -390,6 +391,14 @@ ecc_add_jjj (const struct ecc_curve *ecc, mp_limb_t *r, const mp_limb_t *p, const mp_limb_t *q, mp_limb_t *scratch); +/* Variant that handles the checks for the special cases P = ±Q. + Returns 1 on success, 0 if result is infinite. Not side-channel + silent, so must not be used with secret inputs. */ +int +ecc_nonsec_add_jjj (const struct ecc_curve *ecc, + mp_limb_t *r, const mp_limb_t *p, const mp_limb_t *q, + mp_limb_t *scratch); + /* Point doubling on a twisted Edwards curve, with homogeneous cooordinates. */ void |