diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libuecc/ecc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/libuecc/ecc.h b/include/libuecc/ecc.h index 982f7c9..5d75150 100644 --- a/include/libuecc/ecc.h +++ b/include/libuecc/ecc.h @@ -87,6 +87,13 @@ void ecc_25519_store_packed(ecc_int256_t *out, const ecc_25519_work_t *in); int ecc_25519_is_identity(const ecc_25519_work_t *in); /** + * Negates a point of the Elliptic Curve + * + * The same pointer may be given for input and output + */ +void ecc_25519_negate(ecc_25519_work_t *out, const ecc_25519_work_t *in); + +/** * Doubles a point of the Elliptic Curve * * ecc_25519_double(out, in) is equivalent to ecc_25519_add(out, in, in), but faster. @@ -102,6 +109,12 @@ void ecc_25519_double(ecc_25519_work_t *out, const ecc_25519_work_t *in); */ void ecc_25519_add(ecc_25519_work_t *out, const ecc_25519_work_t *in1, const ecc_25519_work_t *in2); +/** + * Subtracts two points of the Elliptic Curve + * + * The same pointers may be given for input and output. + */ +void ecc_25519_sub(ecc_25519_work_t *out, const ecc_25519_work_t *in1, const ecc_25519_work_t *in2); /** * Does a scalar multiplication of a point of the Elliptic Curve with an integer of a given bit length |