-/* TODO */
/* crypto/ec/ec.h */
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
-/* TODO */
/* crypto/ec/ec_lcl.h */
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
int (*group_set_generator)(EC_GROUP *, const EC_POINT *generator,
const BIGNUM *order, const BIGNUM *cofactor);
- /* TODO: 'set' functions for EC_GROUPs */
+ /* TODO: 'set' and 'get' functions for EC_GROUPs */
/* used by EC_POINT_new, EC_POINT_free, EC_POINT_copy: */
EC_POINT *generator; /* optional */
BIGNUM order, cofactor;
-
- /* optional Lim/Lee precomputation table */
} /* EC_GROUP */;
* global ex_data-style index tables.
* (Currently, we have one slot only, but is is possible to extend this
* if necessary.) */
-
int EC_GROUP_set_extra_data(EC_GROUP *, void *extra_data, void *(*extra_data_dup_func)(void *),
void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *));
void *EC_GROUP_get_extra_data(EC_GROUP *, void *(*extra_data_dup_func)(void *),
* (X, Y, Z) represents (X/Z^2, Y/Z^3) if Z != 0 */
int Z_is_one; /* enable optimized point arithmetics for special case */
} /* EC_POINT */;
+
+
+
+/* method functions in ecp_smpl.c */
+int ec_GFp_simple_group_init(EC_GROUP *);
+int ec_GFp_simple_group_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+void ec_GFp_simple_group_finish(EC_GROUP *);
+void ec_GFp_simple_group_clear_finish(EC_GROUP *);
+int ec_GFp_simple_group_copy(EC_GROUP *, const EC_GROUP *);
+int ec_GFp_simple_group_set_generator(EC_GROUP *, const EC_POINT *generator,
+ const BIGNUM *order, const BIGNUM *cofactor);
+/* TODO: 'set' and 'get' functions for EC_GROUPs */
+int ec_GFp_simple_point_init(EC_POINT *);
+void ec_GFp_simple_point_finish(EC_POINT *);
+void ec_GFp_simple_point_clear_finish(EC_POINT *);
+int ec_GFp_simple_point_copy(EC_POINT *, const EC_POINT *);
+/* TODO: 'set' and 'get' functions for EC_POINTs */
+size_t ec_GFp_simple_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
+ unsigned char *buf, size_t len, BN_CTX *);
+int ec_GFp_simple_oct2point(const EC_GROUP *, EC_POINT *,
+ const unsigned char *buf, size_t len, BN_CTX *);
+int ec_GFp_simple_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
+int ec_GFp_simple_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
+int ec_GFp_simple_is_at_infinity(const EC_GROUP *, const EC_POINT *);
+int ec_GFp_simple_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
+int ec_GFp_simple_make_affine(const EC_GROUP *, const EC_POINT *, BN_CTX *);
+int ec_GFp_simple_field_mult(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+int ec_GFp_simple_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+
+
+/* method functions in ecp_mont.c */
+int ec_GFp_mont_field_mult(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+int ec_GFp_mont_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_mont_field_encode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_mont_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+
+
+/* method functions in ecp_recp.c */
+int ec_GFp_recp_field_mult(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+int ec_GFp_recp_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_recp_field_encode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_recp_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+
+
+/* method functions in ecp_nist.c */
+int ec_GFp_nist_field_mult(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+int ec_GFp_nist_field_sqr(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_nist_field_encode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
+int ec_GFp_nist_field_decode(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *);
const EC_METHOD *EC_GFp_mont_method(void)
{
- static const EC_METHOD ret =
- {
- 0 /* XXX */
- };
+ static const EC_METHOD ret = {
+ ec_GFp_simple_group_init,
+ ec_GFp_simple_group_set_curve_GFp,
+ ec_GFp_simple_group_finish,
+ ec_GFp_simple_group_clear_finish,
+ ec_GFp_simple_group_copy,
+ ec_GFp_simple_group_set_generator,
+ /* TODO: 'set' and 'get' functions for EC_GROUPs */
+ ec_GFp_simple_point_init,
+ ec_GFp_simple_point_finish,
+ ec_GFp_simple_point_clear_finish,
+ ec_GFp_simple_point_copy,
+ /* TODO: 'set' and 'get' functions for EC_POINTs */
+ ec_GFp_simple_point2oct,
+ ec_GFp_simple_oct2point,
+ ec_GFp_simple_add,
+ ec_GFp_simple_dbl,
+ ec_GFp_simple_is_at_infinity,
+ ec_GFp_simple_is_on_curve,
+ ec_GFp_simple_make_affine,
+ ec_GFp_mont_field_mult,
+ ec_GFp_mont_field_sqr,
+ ec_GFp_mont_field_encode,
+ ec_GFp_mont_field_decode };
return &ret;
}
const EC_METHOD *EC_GFp_nist_method(void)
{
- static const EC_METHOD ret =
- {
- 0 /* XXX */
- };
+ static const EC_METHOD ret = {
+ ec_GFp_simple_group_init,
+ ec_GFp_simple_group_set_curve_GFp,
+ ec_GFp_simple_group_finish,
+ ec_GFp_simple_group_clear_finish,
+ ec_GFp_simple_group_copy,
+ ec_GFp_simple_group_set_generator,
+ /* TODO: 'set' and 'get' functions for EC_GROUPs */
+ ec_GFp_simple_point_init,
+ ec_GFp_simple_point_finish,
+ ec_GFp_simple_point_clear_finish,
+ ec_GFp_simple_point_copy,
+ /* TODO: 'set' and 'get' functions for EC_POINTs */
+ ec_GFp_simple_point2oct,
+ ec_GFp_simple_oct2point,
+ ec_GFp_simple_add,
+ ec_GFp_simple_dbl,
+ ec_GFp_simple_is_at_infinity,
+ ec_GFp_simple_is_on_curve,
+ ec_GFp_simple_make_affine,
+ ec_GFp_nist_field_mult,
+ ec_GFp_nist_field_sqr,
+ ec_GFp_nist_field_encode,
+ ec_GFp_nist_field_decode };
return &ret;
}
const EC_METHOD *EC_GFp_recp_method(void)
{
- static const EC_METHOD ret =
- {
- 0 /* XXX */
- };
+ static const EC_METHOD ret = {
+ ec_GFp_simple_group_init,
+ ec_GFp_simple_group_set_curve_GFp,
+ ec_GFp_simple_group_finish,
+ ec_GFp_simple_group_clear_finish,
+ ec_GFp_simple_group_copy,
+ ec_GFp_simple_group_set_generator,
+ /* TODO: 'set' and 'get' functions for EC_GROUPs */
+ ec_GFp_simple_point_init,
+ ec_GFp_simple_point_finish,
+ ec_GFp_simple_point_clear_finish,
+ ec_GFp_simple_point_copy,
+ /* TODO: 'set' and 'get' functions for EC_POINTs */
+ ec_GFp_simple_point2oct,
+ ec_GFp_simple_oct2point,
+ ec_GFp_simple_add,
+ ec_GFp_simple_dbl,
+ ec_GFp_simple_is_at_infinity,
+ ec_GFp_simple_is_on_curve,
+ ec_GFp_simple_make_affine,
+ ec_GFp_recp_field_mult,
+ ec_GFp_recp_field_sqr,
+ ec_GFp_recp_field_encode,
+ ec_GFp_recp_field_decode };
return &ret;
}
const EC_METHOD *EC_GFp_simple_method(void)
{
- static const EC_METHOD ret =
- {
- 0 /* XXX */
- };
+ static const EC_METHOD ret = {
+ ec_GFp_simple_group_init,
+ ec_GFp_simple_group_set_curve_GFp,
+ ec_GFp_simple_group_finish,
+ ec_GFp_simple_group_clear_finish,
+ ec_GFp_simple_group_copy,
+ ec_GFp_simple_group_set_generator,
+ /* TODO: 'set' and 'get' functions for EC_GROUPs */
+ ec_GFp_simple_point_init,
+ ec_GFp_simple_point_finish,
+ ec_GFp_simple_point_clear_finish,
+ ec_GFp_simple_point_copy,
+ /* TODO: 'set' and 'get' functions for EC_POINTs */
+ ec_GFp_simple_point2oct,
+ ec_GFp_simple_oct2point,
+ ec_GFp_simple_add,
+ ec_GFp_simple_dbl,
+ ec_GFp_simple_is_at_infinity,
+ ec_GFp_simple_is_on_curve,
+ ec_GFp_simple_make_affine,
+ ec_GFp_simple_field_mult,
+ ec_GFp_simple_field_sqr,
+ 0 /* field_encode */,
+ 0 /* field_decode */ };
return &ret;
}