diff options
Diffstat (limited to 'src/crypto/crypto.h')
| -rw-r--r-- | src/crypto/crypto.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/crypto/crypto.h b/src/crypto/crypto.h index f2d5662ff01e..534c4bd78654 100644 --- a/src/crypto/crypto.h +++ b/src/crypto/crypto.h @@ -614,6 +614,15 @@ int crypto_bignum_is_zero(const struct crypto_bignum *a); int crypto_bignum_is_one(const struct crypto_bignum *a); /** + * crypto_bignum_legendre - Compute the Legendre symbol (a/p) + * @a: Bignum + * @p: Bignum + * Returns: Legendre symbol -1,0,1 on success; -2 on calculation failure + */ +int crypto_bignum_legendre(const struct crypto_bignum *a, + const struct crypto_bignum *p); + +/** * struct crypto_ec - Elliptic curve context * * Internal data structure for EC implementation. The contents is specific @@ -758,6 +767,16 @@ int crypto_ec_point_solve_y_coord(struct crypto_ec *e, const struct crypto_bignum *x, int y_bit); /** + * crypto_ec_point_compute_y_sqr - Compute y^2 = x^3 + ax + b + * @e: EC context from crypto_ec_init() + * @x: x coordinate + * Returns: y^2 on success, %NULL failure + */ +struct crypto_bignum * +crypto_ec_point_compute_y_sqr(struct crypto_ec *e, + const struct crypto_bignum *x); + +/** * crypto_ec_point_is_at_infinity - Check whether EC point is neutral element * @e: EC context from crypto_ec_init() * @p: EC point @@ -776,4 +795,15 @@ int crypto_ec_point_is_at_infinity(struct crypto_ec *e, int crypto_ec_point_is_on_curve(struct crypto_ec *e, const struct crypto_ec_point *p); +/** + * crypto_ec_point_cmp - Compare two EC points + * @e: EC context from crypto_ec_init() + * @a: EC point + * @b: EC point + * Returns: 0 on equal, non-zero otherwise + */ +int crypto_ec_point_cmp(const struct crypto_ec *e, + const struct crypto_ec_point *a, + const struct crypto_ec_point *b); + #endif /* CRYPTO_H */ |