diff options
Diffstat (limited to 'crypto/ec/ec_lib.c')
| -rw-r--r-- | crypto/ec/ec_lib.c | 84 |
1 files changed, 83 insertions, 1 deletions
diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c index d0af0d5794..8154a17eff 100644 --- a/crypto/ec/ec_lib.c +++ b/crypto/ec/ec_lib.c @@ -149,6 +149,8 @@ int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src) ECerr(EC_F_EC_GROUP_COPY, EC_R_INCOMPATIBLE_OBJECTS); return 0; } + if (dest == src) + return 1; EC_GROUP_clear_free_extra_data(dest); if (src->extra_data_dup_func) @@ -334,6 +336,40 @@ int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point) } +int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, + const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx) + { + if (group->meth->point_set_Jprojective_coordinates_GFp == 0) + { + ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) + { + ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); + return 0; + } + return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y, z, ctx); + } + + +int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point, + BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx) + { + if (group->meth->point_get_Jprojective_coordinates_GFp == 0) + { + ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) + { + ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); + return 0; + } + return group->meth->point_get_Jprojective_coordinates_GFp(group, point, x, y, z, ctx); + } + + int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx) { @@ -368,7 +404,21 @@ int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *p } -/* TODO: other 'set' and 'get' functions for EC_POINTs */ +int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, + const BIGNUM *x, int y_bit, BN_CTX *ctx) + { + if (group->meth->point_set_compressed_coordinates_GFp == 0) + { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) + { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); + return 0; + } + return group->meth->point_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx); + } size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point, point_conversion_form_t form, @@ -437,6 +487,22 @@ int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, BN_CTX * } +int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx) + { + if (group->meth->dbl == 0) + { + ECerr(EC_F_EC_POINT_DBL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != a->meth) + { + ECerr(EC_F_EC_POINT_DBL, EC_R_INCOMPATIBLE_OBJECTS); + return 0; + } + return group->meth->invert(group, a, ctx); + } + + int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point) { if (group->meth->is_at_infinity == 0) @@ -469,6 +535,22 @@ int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *c } +int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx) + { + if (group->meth->point_cmp == 0) + { + ECerr(EC_F_EC_POINT_CMP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if ((group->meth != a->meth) || (a->meth != b->meth)) + { + ECerr(EC_F_EC_POINT_CMP, EC_R_INCOMPATIBLE_OBJECTS); + return 0; + } + return group->meth->point_cmp(group, a, b, ctx); + } + + int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx) { if (group->meth->make_affine == 0) |